CN108633802B - Method for ecologically cultivating parent penaeus vannamei boone - Google Patents
Method for ecologically cultivating parent penaeus vannamei boone Download PDFInfo
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Images
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2103/08—Seawater, e.g. for desalination
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a method for ecologically cultivating parent penaeus vannamei boone, which comprises the following steps: (1) treating seawater; (2) breeding parent shrimps; (3) controlling strains in the parent shrimp pond; (4) treating workshop circulating water; the method for ecologically cultivating the penaeus vannamei boone has no toxic or side effect and residue problems, can promote the growth of the penaeus vannamei boone, prevent and treat diseases, can improve the cultivation water environment, effectively cultivate healthy and high-quality penaeus vannamei boone, and has the high-quality characteristics of low disease incidence, low mortality, low content of harmful microorganisms in the water environment and the like.
Description
Technical Field
The invention belongs to the field of aquaculture, relates to a method for culturing penaeus vannamei, and particularly relates to a method for ecologically culturing parent penaeus vannamei.
Background
The prawn culture industry in China is rapidly developed, the culture yield of Chinese prawns is about 1/3 in the world, the first penaeus vannamei boone is the first prawn culture variety in the world, and the penaeus vannamei boone is the largest prawn culture area in China. The penaeus vannamei boone has the characteristics of delicious meat taste, strong adaptability, rapid growth, strong disease resistance and the like. With the large-scale development of the prawn aquaculture industry, the commercialized aquaculture industry mainly focuses on high-density intensive culture, and the production mode brings huge economic benefits and also causes many problems, such as serious water eutrophication, water quality deterioration and frequent diseases caused by a large amount of residual baits and excrement entering the water body.
In order to prevent and control high morbidity, a large amount of chemical drugs and antibiotic drugs are frequently used in production, and although the drugs have certain inhibiting and treating effects on the outbreak of the disease of the parent shrimps, the drugs are extremely unfavorable for the healthy development of the aquaculture industry in the long term and mainly show that: because the medicines can pollute the water body, kill beneficial microorganisms in the water and destroy the ecological environment of the water body; medicine residue can be generated, so that aquatic products reduce or lose economic value; the use of a large amount of antibiotic drugs can easily cause the drug resistance of pathogens, and the health of human beings can be directly harmed while the treatment effect is reduced.
The healthy and friendly ecological breeding mode is more and more emphasized by the modern aquaculture industry, so that the method for breeding the parent penaeus vannamei boone is continued, the problems of toxic and side effects and residues are avoided, the growth of the parent penaeus vannamei boone can be promoted, diseases can be prevented and treated, and the breeding water environment can be improved.
Disclosure of Invention
The invention aims to provide a method for ecologically cultivating parent penaeus vannamei boone, which has no toxic or side effect and residue problems, can promote the growth of parent penaeus vannamei boone, prevent and treat diseases and can improve the culture water environment.
In order to achieve the purpose, the technical scheme of the invention is as follows: the method for ecologically breeding the parent penaeus vannamei boone comprises the following steps:
(1) seawater treatment
1) Selecting seawater: selecting seawater meeting the national first-class water standard for cultivation;
2) pumping water from open sea: arranging a deep well with the depth of 2-4 m in the offshore place, pumping the seawater into the deep well, and purifying the seawater by using the purification capacity of the sea sand;
3) and (3) precipitation treatment: settling the seawater in the deep well for 4-7 hours by adopting a natural settling method, and arranging precise filter cotton at a water pumping port and a water outlet to remove granular substances with the particle size of more than 1mm in a water body and reserve trace elements of the original seawater to the maximum extent;
4) and (3) disinfecting an outer pond: combining the detection result of microbes in the open sea water, and specifically selecting different medicaments to sterilize and disinfect the sea water pumped into the outer pond, wherein the medicaments are one or more of 25ppm of bleaching essence, 5ppm of strong chlorine cleaner and 3ppm of Youlejing; under the condition of good weather, the bleaching essence and the Youlejing are used; otherwise, strong chlorpyrifos and Youle are used;
5) removing residual chlorine: reducing the residual chlorine in the seawater to be less than or equal to 0.025mg/L by oxygenation and insolation;
6) filtering in a sand cylinder and a carbon cylinder: pumping the seawater in the outer pond after removing residual chlorine into two sand cylinder filters connected in series, and pumping the seawater into carbon cylinders full of coconut shell activated carbon; wherein the mesh number of the filter screens in the sand cylinder filter is 40-60 meshes, and the radius of the micropores of the coconut shell activated carbon is less than 150 nm; the coconut shell activated carbon has the advantages of developed aggregate pores, economy, environmental protection and the like, and the adsorption capacity removes suspended matters in water;
7) pipeline type ultraviolet sterilization: a plurality of 40W ultraviolet sterilization lamp tubes are arranged in the pipeline, and the seawater filtered by the carbon cylinder is pumped into the pipeline to ensure that the water body is fully contacted with the lamp tubes; compared with the traditional closed sterilizer, the pipeline type ultraviolet sterilization has the advantages of high efficiency, low cost, large flow, convenient maintenance and high bacteria removal rate of 95-99 percent; the sterilization effect of ultraviolet rays is that the ultraviolet rays influence cell enzymes and protoplasm of microorganisms, so that the cells die, and the content of the microorganisms in seawater is further reduced;
8) performing the Dow ultrafiltration: introducing seawater flowing out of the pipeline into a Dow ultrafiltration device provided with a Dow ultrafiltration membrane, wherein the aperture of the Dow ultrafiltration membrane is 30nm, and the Dow ultrafiltration device intercepts bacteria in the seawater;
9) greenhouse tank: pumping the seawater subjected to the Dow ultrafiltration into a warm shed water storage pool, adjusting the salinity of the seawater to 28-34 ppt according to the requirement of aquaculture water, and adding industrial salt for adjustment if the salinity is low; by using NaHCO3Adjusting the total alkali content of seawater to 140-180 ppm, Ca (OH)2After water is melted, splashing water in the whole pool to adjust the pH value of the seawater to 7.5-8.5, and removing heavy metal ions in the seawater by adopting EDTA-2 Na with the concentration of 10 ppm;
10) pumping the treated seawater in the water storage tank of the greenhouse into a shrimp parent pool;
(2) parent shrimp cultivation
1) Controlling the temperature: providing the optimal survival temperature for the parent shrimps to be 28-29 ℃;
2) controlling light: changing the physiological cycle of the parent shrimps by artificially controlling the illumination to be 2000-2500 lx;
3) controlling quality: selecting female shrimps with the weight of 40-45 g; 7 months old; the body surface is smooth and has no trauma, and the two beards are as long as the shrimp body; selecting male shrimps with the weight of 35-40 g; 7 months old; the body surface is smooth and has no trauma, and the two beards are as long as the shrimp body; strictly implementing biological prevention and control, arranging parent shrimps to enter a pond after virus detection is negative, and cleaning and disinfecting the packaging bags and the shrimps by using 200ppm iodine solution before entering the pond;
4) controlling quantity: temporarily breeding female shrimps and male shrimps in separate ponds, wherein the temporary breeding density is 6-8 shrimps per square meter;
5) controlling materials: according to the feeding amount all day, the proportion of the bait to the total weight of the parent shrimps is respectively as follows: 15% of green insects, 10% of sleeve-fish and 1% of artificial compound feed (dry feed);
(3) control of strains in parent shrimp pond
1) Adding sodium bicarbonate to provide a carbon source and adding ammonium chloride to provide a carbon source in the parent shrimp pool, so that the total alkali is 140-180 ppm, the ammonia nitrogen is less than or equal to 1.0ppm, and the nitrite is less than or equal to 1.0 ppm;
2) regularly mixing and feeding with 2ppm of lactic acid bacteria and 2ppm of yeast beneficial microorganisms, wherein the total bacteria number of the water body is kept at 3-5 ten thousand strains/mL at the early stage, 10-25 ten thousand strains/mL at the middle and later stages, and the proportion of vibrio in the total bacteria number is within 5%;
(4) workshop circulating water treatment
1) The seawater in the shrimp parent pool automatically flows into a filtering pool provided with a 40-mesh filtering bag through a circulating pipeline, and pollutants are intercepted in the filtering bag;
2) pumping the seawater in the filter tank into a particle filter provided with a suspended particle filtering layer, wherein suspended particles in the suspended particle filtering layer are plastic cylinders with the diameter of 3-4 mm and the height of 4-6 mm;
3) introducing the seawater filtered by the particle filter into a protein separator to remove ammonia nitrogen and organic substances in the seawater;
4) directionally culturing beneficial microorganisms by using the porous bio-spheres, decomposing more complex organic matters in water into simple carbon dioxide, nitrate, methane and hydrogen sulfide by using aerobic microorganisms, and removing ammonia nitrogen in a water body;
5) introducing the seawater filtered by the porous biological balls into a water storage tank of a greenhouse, adjusting the salinity of the seawater to 28-34 ppt, and if the salinity is low, adding industrial salt for adjustment; by using NaHCO3Adjusting the total alkali content of seawater to 140-180 ppm, Ca (OH)2After water is melted, the pH value of the seawater is adjusted to 7.5-8.5 by splashing the seawater in the whole pool, and the concentration of the seawater is 10ppm
EDTA-2 Na removes heavy metal ions in the seawater;
6) pumping the treated seawater in the water storage tank of the greenhouse into the parent shrimp tank, and repeatedly circulating.
Further, in the parent shrimp breeding process, the ratio of the larvas fed in each parent shrimp male pond to the parent shrimp female pond is as follows: male parent is 2: 3, the ratio of the squid materials is as follows: male parent is 3: 2.
further, in the parent shrimp breeding process, the daily feeding arrangement is as follows: feeding the green insects and the squids at a time period of 7: 30-8: 00, feeding the artificial mixed feed at a time period of 10:00, feeding the green insects at a time period of 14: 30-15: 00, feeding the green insects at a time period of 19: 30-20: 00, feeding the squids at a time period of 23: 30-00: 00, and feeding the artificial mixed feed at a time period of 3: 00.
Further, in order to avoid waste caused by dirt absorption in the early morning of the next day, the daily feeding amount is mainly divided into morning feeding and the rest of the time is used as supplementary feeding.
The method for ecologically cultivating the penaeus vannamei boone has no toxic or side effect and residue problems, can promote the growth of the penaeus vannamei boone, prevent and treat diseases, can improve the cultivation water environment, effectively cultivate healthy and high-quality penaeus vannamei boone, and has the high-quality characteristics of low disease incidence, low mortality, low content of harmful microorganisms in the water environment and the like.
Drawings
FIG. 1 is a schematic diagram of parent shrimps cultivated by the method for ecologically cultivating parent shrimps of Penaeus vannamei Boone of the present invention: the parent shrimps are sufficient in nutrition, high in maturity and full in gonads;
FIG. 2 is a schematic diagram of the maturity rate of parent shrimps cultivated by the method for ecologically cultivating parent shrimps of penaeus vannamei of the present invention in each month: (the ordinate value is the mature rate of the parent shrimps) is more than or equal to 20.5 percent and less than or equal to 36.1 percent;
FIG. 3 is a schematic diagram of the monthly mating rate of parent shrimps cultured by the method for ecologically culturing parent shrimps of Penaeus vannamei Boone of the present invention: (the ordinate value is the mating rate of the parent shrimps) is more than or equal to 10.6 percent and less than or equal to 23.8 percent;
FIG. 4 is a schematic diagram of the yield per month of parent shrimps cultured by the method for ecologically culturing parent shrimps of Penaeus vannamei Boone of the present invention: (the ordinate value is the single yield of parent shrimps) is less than or equal to 19.8 ten thousand and less than or equal to 25.7 ten thousand;
FIG. 5 is a schematic diagram showing the yield of each month of larval of parent shrimps cultivated by the method for ecologically cultivating parent shrimps of Penaeus vannamei Boone of the present invention: (ordinate value: monthly yield of parent shrimps) 1.4 hundred million-9.7 hundred million.
Detailed Description
Example 1
A method for ecologically breeding parent penaeus vannamei boone comprises the following steps:
(1) seawater treatment
1) Selecting seawater: selecting seawater meeting the national first-class water standard for cultivation;
2) pumping water from open sea: arranging a 2m deep well at the offshore place, pumping the seawater into the deep well, and purifying the seawater by using the purification capacity of the sea sand;
3) and (3) precipitation treatment: settling the seawater in the deep well for 4h by adopting a natural settling method, arranging precise filter cotton at a water pumping port and a water outlet, removing granular substances with the particle size of more than 1mm in a water body, and reserving trace elements of the original seawater to the maximum extent;
4) and (3) disinfecting an outer pond: combining the detection result of microbes in the open sea water, and selecting different medicaments in a targeted manner to sterilize and disinfect the sea water pumped into the outer pond, wherein the medicaments comprise 25ppm of bleaching powder and 5ppm of strong chloramine;
5) removing residual chlorine: reducing the residual chlorine in the seawater to be less than or equal to 0.025mg/L by oxygenation and insolation;
6) filtering in a sand cylinder and a carbon cylinder: pumping the seawater in the outer pond after removing residual chlorine into two sand cylinder filters connected in series, and pumping the seawater into carbon cylinders full of coconut shell activated carbon; wherein the mesh number of the filter screens in the sand cylinder filter is 40 meshes, and the radius of the micropores of the coconut shell activated carbon is less than 150 nm;
7) pipeline type ultraviolet sterilization: a plurality of 40W ultraviolet sterilization lamp tubes are arranged in the pipeline, and the seawater filtered by the carbon cylinder is pumped into the pipeline to ensure that the water body is fully contacted with the lamp tubes;
8) performing the Dow ultrafiltration: introducing seawater flowing out of the pipeline into a Dow ultrafiltration device provided with a Dow ultrafiltration membrane, wherein the aperture of the Dow ultrafiltration membrane is 30nm, and the Dow ultrafiltration device intercepts bacteria in the seawater;
9) greenhouse tank: pumping the seawater after the Dow ultrafiltration into a warm shed water storage pool, adjusting the salinity of the seawater to 28ppt according to the requirement of aquaculture water, and if the salinity is not more than 28ppt, adjusting the salinity of the seawater to be lower than the standard valueThe salinity is low, and industrial salt is added for regulation; by using NaHCO3Adjusting total alkali content of seawater to 140ppm, Ca (OH)2After water is melted, splashing and adjusting the pH value of the seawater to 7.5, and removing heavy metal ions in the seawater by adopting EDTA-2 Na with the concentration of 10 ppm;
10) pumping the treated seawater in the water storage tank of the greenhouse into a shrimp parent pool;
(2) parent shrimp cultivation
1) Controlling the temperature: providing the optimal survival temperature for the parent shrimps to be 28 ℃;
2) controlling light: changing the physiological cycle of the parent shrimps by artificially controlling the illumination to be 2000 lx;
3) controlling quality: selecting female shrimps with the weight of 40 g; 7 months old; the body surface is smooth and has no trauma, and the two beards are as long as the shrimp body; selecting male shrimps with the weight of 35 g; 7 months old; the body surface is smooth and has no trauma, and the two beards are as long as the shrimp body; strictly implementing biological prevention and control, arranging parent shrimps to enter a pond after virus detection is negative, and cleaning and disinfecting the packaging bags and the shrimps by using 200ppm iodine solution before entering the pond;
4) controlling quantity: female and male shrimps are temporarily cultured in separate ponds, and the temporary culture density is 6 per square meter;
5) controlling materials: according to the feeding amount all day, the proportion of the bait to the total weight of the parent shrimps is respectively as follows: 15% of green insects, 10% of sleeve-fish and 1% of artificial compound feed;
the ratio of the feed of the winged insects fed in each parent shrimp male pond to the feed of the winged insects fed in each parent shrimp female pond is as follows: male parent is 2: 3, the ratio of the squid materials is as follows: male parent is 3: 2.
feeding is mainly divided into feeding in the morning and feeding is carried out in the rest time as supplementary food intake.
In the parent shrimp cultivation process, the daily feeding arrangement is as follows: feeding the green insects and the squids at a time period of 7: 30-8: 00, feeding the artificial mixed feed at a time period of 10:00, feeding the green insects at a time period of 14: 30-15: 00, feeding the green insects at a time period of 19: 30-20: 00, feeding the squids at a time period of 23: 30-00: 00, and feeding the artificial mixed feed at a time period of 3: 00.
(3) Control of strains in parent shrimp pond
1) Adding sodium bicarbonate to provide a carbon source and adding ammonium chloride to provide a carbon source in the parent shrimp pond, so that the total alkali is 140ppm, the ammonia nitrogen is less than or equal to 1.0ppm, and the nitrite is less than or equal to 1.0 ppm;
2) regularly mixing and feeding with 2ppm of lactic acid bacteria and 2ppm of yeast beneficial microorganisms, wherein the total bacteria number of the water body is kept at 3 ten thousand strains/mL at the early stage, 10 ten thousand strains/mL at the middle and later stages, and the ratio of vibrio to the total bacteria number is within 5%;
(4) workshop circulating water treatment
1) The seawater in the shrimp parent pool automatically flows into a filtering pool provided with a 40-mesh filtering bag through a circulating pipeline, and pollutants are intercepted in the filtering bag;
2) pumping the seawater in the filter tank into a particle filter provided with a suspended particle filtering layer, wherein suspended particles in the suspended particle filtering layer are plastic cylinders with the diameter of 3mm and the height of 4 mm;
3) introducing the seawater filtered by the particle filter into a protein separator to remove ammonia nitrogen and organic substances in the seawater;
4) directionally culturing beneficial microorganisms by using the porous bio-spheres, decomposing more complex organic matters in water into simple carbon dioxide, nitrate, methane and hydrogen sulfide by using aerobic microorganisms, and removing ammonia nitrogen in a water body;
5) introducing the seawater filtered by the porous biological balls into a water storage tank of a greenhouse, adjusting the salinity of the seawater to 28ppt, and adding industrial salt for adjustment if the salinity is lower; by using NaHCO3Adjusting total alkali content of seawater to 140ppm, Ca (OH)2After water is melted, splashing and adjusting the pH value of the seawater to 7.5, and removing heavy metal ions in the seawater by adopting EDTA-2 Na with the concentration of 10 ppm;
6) pumping the treated seawater in the water storage tank of the greenhouse into the parent shrimp tank, and repeatedly circulating.
Example 2
A method for ecologically breeding parent penaeus vannamei boone comprises the following steps:
(1) seawater treatment
1) Selecting seawater: selecting seawater meeting the national first-class water standard for cultivation;
2) pumping water from open sea: arranging a 4m deep well at the offshore place, pumping the seawater into the deep well, and purifying the seawater by using the purification capacity of the sea sand;
3) and (3) precipitation treatment: settling the seawater in the deep well for 7h by adopting a natural settling method, and arranging precise filter cotton at a water pumping port and a water outlet to remove granular substances with the particle size of more than 1mm in a water body and reserve trace elements of the original seawater to the maximum extent;
4) and (3) disinfecting an outer pond: combining the detection result of microbes in the open sea water, and specifically selecting different medicaments to sterilize and disinfect the sea water pumped into the outer pond, wherein the medicaments are 5ppm of strong chlorine and 3ppm of Youlejing;
5) removing residual chlorine: reducing the residual chlorine in the seawater to be less than or equal to 0.025mg/L by oxygenation and insolation;
6) filtering in a sand cylinder and a carbon cylinder: pumping the seawater in the outer pond after removing residual chlorine into two sand cylinder filters connected in series, and pumping the seawater into carbon cylinders full of coconut shell activated carbon; wherein the mesh number of the filter screens in the sand cylinder filter is 60 meshes, and the radius of the micropores of the coconut shell activated carbon is less than 150 nm;
7) pipeline type ultraviolet sterilization: a plurality of 40W ultraviolet sterilization lamp tubes are arranged in the pipeline, and the seawater filtered by the carbon cylinder is pumped into the pipeline to ensure that the water body is fully contacted with the lamp tubes;
8) performing the Dow ultrafiltration: introducing seawater flowing out of the pipeline into a Dow ultrafiltration device provided with a Dow ultrafiltration membrane, wherein the aperture of the Dow ultrafiltration membrane is 30nm, and the Dow ultrafiltration device intercepts bacteria in the seawater;
9) greenhouse tank: pumping the seawater subjected to the Dow ultrafiltration into a warm shed water storage pool, adjusting the salinity of the seawater to 34ppt according to the requirement of aquaculture water, and adding industrial salt for adjustment if the salinity is low; by using NaHCO3Adjusting total alkali content of seawater to 180ppm, Ca (OH)2After water is melted, splashing and adjusting the pH value of the seawater to 8.5, and removing heavy metal ions in the seawater by adopting EDTA-2 Na with the concentration of 10 ppm;
10) pumping the treated seawater in the water storage tank of the greenhouse into a shrimp parent pool;
(2) parent shrimp cultivation
1) Controlling the temperature: providing the optimal survival temperature for the parent shrimps to be 29 ℃;
2) controlling light: the physiological cycle of the parent shrimps is changed by artificially controlling the illumination to be 2500 lx;
3) controlling quality: selecting female shrimps with the weight of 45 g; 7 months old; the body surface is smooth and has no trauma, and the two beards are as long as the shrimp body; selecting male shrimps with the weight of 40 g; 7 months old; the body surface is smooth and has no trauma, and the two beards are as long as the shrimp body; strictly implementing biological prevention and control, arranging parent shrimps to enter a pond after virus detection is negative, and cleaning and disinfecting the packaging bags and the shrimps by using 200ppm iodine solution before entering the pond;
4) controlling quantity: female and male shrimps are temporarily cultured in separate ponds, and the temporary culture density is 8 per square meter;
5) controlling materials: according to the feeding amount all day, the proportion of the bait to the total weight of the parent shrimps is respectively as follows: 15% of green insects, 10% of sleeve-fish and 1% of artificial compound feed;
the ratio of the feed of the winged insects fed in each parent shrimp male pond to the feed of the winged insects fed in each parent shrimp female pond is as follows: male parent is 2: 3, the ratio of the squid materials is as follows: male parent is 3: 2.
feeding is mainly divided into feeding in the morning and feeding is carried out in the rest time as supplementary food intake.
The daily feeding schedule is as follows: feeding the green insects and the squids at a time period of 7: 30-8: 00, feeding the artificial mixed feed at a time period of 10:00, feeding the green insects at a time period of 14: 30-15: 00, feeding the green insects at a time period of 19: 30-20: 00, feeding the squids at a time period of 23: 30-00: 00, and feeding the artificial mixed feed at a time period of 3: 00.
(3) Control of strains in parent shrimp pond
1) Adding sodium bicarbonate to provide a carbon source and adding ammonium chloride to provide a carbon source in the parent shrimp pool, so that the total alkali is 180ppm, the ammonia nitrogen is less than or equal to 1.0ppm, and the nitrite is less than or equal to 1.0 ppm;
2) regularly mixing and feeding with 2ppm of lactic acid bacteria and 2ppm of yeast beneficial microorganisms, wherein the total bacteria number of the water body is kept at 5 ten thousand strains/mL at the early stage, 25 ten thousand strains/mL at the middle and later stages, and the proportion of vibrio in the total bacteria number is within 5%;
(4) workshop circulating water treatment
1) The seawater in the shrimp parent pool automatically flows into a filtering pool provided with a 40-mesh filtering bag through a circulating pipeline, and pollutants are intercepted in the filtering bag;
2) pumping the seawater in the filter tank into a particle filter provided with a suspended particle filtering layer, wherein suspended particles in the suspended particle filtering layer are plastic cylinders with the diameter of 4mm and the height of 6 mm;
3) introducing the seawater filtered by the particle filter into a protein separator to remove ammonia nitrogen and organic substances in the seawater;
4) directionally culturing beneficial microorganisms by using the porous bio-spheres, decomposing more complex organic matters in water into simple carbon dioxide, nitrate, methane and hydrogen sulfide by using aerobic microorganisms, and removing ammonia nitrogen in a water body;
5) introducing the seawater filtered by the porous biological balls into a water storage tank of a greenhouse, adjusting the salinity of the seawater to 34ppt, and adding industrial salt for adjustment if the salinity is lower; by using NaHCO3Adjusting total alkali content of seawater to 180ppm, Ca (OH)2After water is melted, splashing and adjusting the pH value of the seawater to 8.5, and removing heavy metal ions in the seawater by adopting EDTA-2 Na with the concentration of 10 ppm;
6) pumping the treated seawater in the water storage tank of the greenhouse into the parent shrimp tank, and repeatedly circulating.
Example 3
A method for ecologically breeding parent penaeus vannamei boone comprises the following steps:
(1) seawater treatment
1) Selecting seawater: selecting seawater meeting the national first-class water standard for cultivation;
2) pumping water from open sea: arranging a 3m deep well at the offshore place, pumping the seawater into the deep well, and purifying the seawater by using the purification capacity of the sea sand;
3) and (3) precipitation treatment: settling the seawater in the deep well for 5h by adopting a natural settling method, arranging precise filter cotton at a water pumping port and a water outlet, removing granular substances with the particle size of more than 1mm in a water body, and reserving trace elements of the original seawater to the maximum extent;
4) and (3) disinfecting an outer pond: combining the detection result of microbes in the open sea water, and specifically selecting different medicaments to sterilize and disinfect the sea water pumped into the outer pond, wherein the medicaments comprise 25ppm of bleaching powder and 3ppm of Youlejing;
5) removing residual chlorine: reducing the residual chlorine in the seawater to be less than or equal to 0.025mg/L by oxygenation and insolation;
6) filtering in a sand cylinder and a carbon cylinder: pumping the seawater in the outer pond after removing residual chlorine into two sand cylinder filters connected in series, and pumping the seawater into carbon cylinders full of coconut shell activated carbon; wherein the mesh number of the filter screens in the sand cylinder filter is 50 meshes, and the radius of the micropores of the coconut shell activated carbon is less than 150 nm;
7) pipeline type ultraviolet sterilization: a plurality of 40W ultraviolet sterilization lamp tubes are arranged in the pipeline, and the seawater filtered by the carbon cylinder is pumped into the pipeline to ensure that the water body is fully contacted with the lamp tubes;
8) performing the Dow ultrafiltration: introducing seawater flowing out of the pipeline into a Dow ultrafiltration device provided with a Dow ultrafiltration membrane, wherein the aperture of the Dow ultrafiltration membrane is 30nm, and the Dow ultrafiltration device intercepts bacteria in the seawater;
9) greenhouse tank: pumping the seawater subjected to the Dow ultrafiltration into a warm shed water storage pool, adjusting the salinity of the seawater to 30ppt according to the requirement of aquaculture water, and adding industrial salt for adjustment if the salinity is lower; by using NaHCO3Adjusting seawater Total alkali to 150ppm, Ca (OH)2After water is melted, splashing and adjusting the pH value of the seawater to 8.0, and removing heavy metal ions in the seawater by adopting EDTA-2 Na with the concentration of 10 ppm;
10) pumping the treated seawater in the water storage tank of the greenhouse into a shrimp parent pool;
(2) parent shrimp cultivation
1) Controlling the temperature: providing the optimal survival temperature for the parent shrimps to be 29 ℃;
2) controlling light: changing the physiological cycle of the parent shrimps by artificially controlling the illumination to 2200 lx;
3) controlling quality: selecting female shrimps with the weight of 42 g; 7 months old; the body surface is smooth and has no trauma, and the two beards are as long as the shrimp body; selecting male shrimps with the weight of 38 g; 7 months old; the body surface is smooth and has no trauma, and the two beards are as long as the shrimp body; strictly implementing biological prevention and control, arranging parent shrimps to enter a pond after virus detection is negative, and cleaning and disinfecting the packaging bags and the shrimps by using 200ppm iodine solution before entering the pond;
4) controlling quantity: female and male shrimps are temporarily cultured in separate ponds, and the temporary culture density is 7 per square meter;
5) controlling materials: according to the feeding amount all day, the proportion of the bait to the total weight of the parent shrimps is respectively as follows: 15% of green insects, 10% of sleeve-fish and 1% of artificial compound feed;
the ratio of the feed of the winged insects fed in each parent shrimp male pond to the feed of the winged insects fed in each parent shrimp female pond is as follows: male parent is 2: 3, the ratio of the squid materials is as follows: male parent is 3: 2.
feeding is mainly divided into feeding in the morning and feeding is carried out in the rest time as supplementary food intake.
The daily feeding schedule is as follows: feeding the green insects and the squids at a time period of 7: 30-8: 00, feeding the artificial mixed feed at a time period of 10:00, feeding the green insects at a time period of 14: 30-15: 00, feeding the green insects at a time period of 19: 30-20: 00, feeding the squids at a time period of 23: 30-00: 00, and feeding the artificial mixed feed at a time period of 3: 00.
(3) Control of strains in parent shrimp pond
1) Adding sodium bicarbonate to provide a carbon source and adding ammonium chloride to provide a carbon source in the parent shrimp pool, so that the total alkali is 160ppm, the ammonia nitrogen is less than or equal to 1.0ppm, and the nitrite is less than or equal to 1.0 ppm;
2) regularly mixing and feeding with 2ppm of lactic acid bacteria and 2ppm of yeast beneficial microorganisms, wherein the total bacteria number of the water body is kept at 4 ten thousand strains/mL at the early stage, 15 ten thousand strains/mL at the middle and later stages, and the proportion of vibrio in the total bacteria number is within 5%;
(4) workshop circulating water treatment
1) The seawater in the shrimp parent pool automatically flows into a filtering pool provided with a 40-mesh filtering bag through a circulating pipeline, and pollutants are intercepted in the filtering bag;
2) pumping the seawater in the filter tank into a particle filter provided with a suspended particle filtering layer, wherein suspended particles in the suspended particle filtering layer are plastic cylinders with the diameter of 4mm and the height of 6 mm;
3) introducing the seawater filtered by the particle filter into a protein separator to remove ammonia nitrogen and organic substances in the seawater;
4) directionally culturing beneficial microorganisms by using the porous bio-spheres, decomposing more complex organic matters in water into simple carbon dioxide, nitrate, methane and hydrogen sulfide by using aerobic microorganisms, and removing ammonia nitrogen in a water body;
5) introducing the seawater filtered by the porous biological balls into a water storage tank of a greenhouse, adjusting the salinity of the seawater to 30ppt, and adding industrial salt for adjustment if the salinity is lower; by using NaHCO3Adjusting seawater Total alkali to 150ppm, Ca (OH)2After water is melted, splashing and adjusting the pH value of the seawater to 8.0, and removing heavy metal ions in the seawater by adopting EDTA-2 Na with the concentration of 10 ppm;
6) pumping the treated seawater in the water storage tank of the greenhouse into the parent shrimp tank, and repeatedly circulating.
Example 4
A method for ecologically breeding parent penaeus vannamei boone comprises the following steps:
(1) seawater treatment
1) Selecting seawater: selecting seawater meeting the national first-class water standard for cultivation;
2) pumping water from open sea: arranging a 4m deep well at the offshore place, pumping the seawater into the deep well, and purifying the seawater by using the purification capacity of the sea sand;
3) and (3) precipitation treatment: settling the seawater in a deep well for 6 hours by adopting a natural settling method, and arranging precise filter cotton at a water pumping port and a water outlet to remove granular substances with the particle size of more than 1mm in a water body and reserve trace elements of the original seawater to the maximum extent;
4) and (3) disinfecting an outer pond: combining the detection result of microbes in the open sea water, and specifically selecting different medicaments to sterilize and disinfect the sea water pumped into the outer pond, wherein the medicaments comprise 25ppm of bleaching powder, 5ppm of strong chlorine and 3ppm of Youlejing;
5) removing residual chlorine: reducing the residual chlorine in the seawater to be less than or equal to 0.025mg/L by oxygenation and insolation;
6) filtering in a sand cylinder and a carbon cylinder: pumping the seawater in the outer pond after removing residual chlorine into two sand cylinder filters connected in series, and pumping the seawater into carbon cylinders full of coconut shell activated carbon; wherein the mesh number of the filter screens in the sand cylinder filter is 60 meshes, and the radius of the micropores of the coconut shell activated carbon is less than 150 nm;
7) pipeline type ultraviolet sterilization: a plurality of 40W ultraviolet sterilization lamp tubes are arranged in the pipeline, and the seawater filtered by the carbon cylinder is pumped into the pipeline to ensure that the water body is fully contacted with the lamp tubes;
8) performing the Dow ultrafiltration: introducing seawater flowing out of the pipeline into a Dow ultrafiltration device provided with a Dow ultrafiltration membrane, wherein the aperture of the Dow ultrafiltration membrane is 30nm, and the Dow ultrafiltration device intercepts bacteria in the seawater;
9) greenhouse tank: pumping the seawater subjected to the Dow ultrafiltration into a warm shed water storage pool, adjusting the salinity of the seawater to 32ppt according to the requirement of aquaculture water, and adding industrial salt for adjustment if the salinity is low; by using NaHCO3Adjusting total alkali content of seawater to 160ppm, Ca (OH)2Full pool splashing after water meltingAdjusting the pH value of the seawater to 8.2 by sprinkling, and removing heavy metal ions in the seawater by adopting EDTA-2 Na with the concentration of 10 ppm;
10) pumping the treated seawater in the water storage tank of the greenhouse into a shrimp parent pool;
(2) parent shrimp cultivation
1) Controlling the temperature: providing the optimal survival temperature for the parent shrimps to be 29 ℃;
2) controlling light: changing the physiological cycle of the parent shrimps by artificially controlling the illumination to be 2400 lx;
3) controlling quality: selecting female shrimps with the weight of 44 g; 7 months old; the body surface is smooth and has no trauma, and the two beards are as long as the shrimp body; selecting male shrimps with the weight of 37 g; 7 months old; the body surface is smooth and has no trauma, and the two beards are as long as the shrimp body; strictly implementing biological prevention and control, arranging parent shrimps to enter a pond after virus detection is negative, and cleaning and disinfecting the packaging bags and the shrimps by using 200ppm iodine solution before entering the pond;
4) controlling quantity: female and male shrimps are temporarily cultured in separate ponds, and the temporary culture density is 8 per square meter;
5) controlling materials: according to the feeding amount all day, the proportion of the bait to the total weight of the parent shrimps is respectively as follows: 15% of green insects, 10% of sleeve-fish and 1% of artificial compound feed;
the ratio of the feed of the winged insects fed in each parent shrimp male pond to the feed of the winged insects fed in each parent shrimp female pond is as follows: male parent is 2: 3, the ratio of the squid materials is as follows: male parent is 3: 2.
feeding is mainly divided into feeding in the morning and feeding is carried out in the rest time as supplementary food intake.
In the parent shrimp cultivation process, the daily feeding arrangement is as follows: feeding the green insects and the squids at a time period of 7: 30-8: 00, feeding the artificial mixed feed at a time period of 10:00, feeding the green insects at a time period of 14: 30-15: 00, feeding the green insects at a time period of 19: 30-20: 00, feeding the squids at a time period of 23: 30-00: 00, and feeding the artificial mixed feed at a time period of 3: 00.
(3) Control of strains in parent shrimp pond
1) Adding sodium bicarbonate to provide a carbon source and adding ammonium chloride to provide a carbon source in the parent shrimp pool, so that the total alkali is 160ppm, the ammonia nitrogen is less than or equal to 1.0ppm, and the nitrite is less than or equal to 1.0 ppm;
2) regularly mixing and feeding with 2ppm of lactic acid bacteria and 2ppm of yeast beneficial microorganisms, wherein the total bacteria number of the water body is kept at 5 ten thousand strains/mL at the early stage, 22 ten thousand strains/mL at the middle and later stages, and the proportion of vibrio in the total bacteria number is within 5%;
(4) workshop circulating water treatment
1) The seawater in the shrimp parent pool automatically flows into a filtering pool provided with a 40-mesh filtering bag through a circulating pipeline, and pollutants are intercepted in the filtering bag;
2) pumping the seawater in the filter tank into a particle filter provided with a suspended particle filtering layer, wherein suspended particles in the suspended particle filtering layer are plastic cylinders with the diameter of 3mm and the height of 5 mm;
3) introducing the seawater filtered by the particle filter into a protein separator to remove ammonia nitrogen and organic substances in the seawater;
4) directionally culturing beneficial microorganisms by using the porous bio-spheres, decomposing more complex organic matters in water into simple carbon dioxide, nitrate, methane and hydrogen sulfide by using aerobic microorganisms, and removing ammonia nitrogen in a water body;
5) introducing the seawater filtered by the porous biological balls into a water storage tank of a greenhouse, adjusting the salinity of the seawater to 32ppt, and adding industrial salt for adjustment if the salinity is lower; by using NaHCO3Adjusting total alkali content of seawater to 160ppm, Ca (OH)2After water is melted, splashing and adjusting the pH value of the seawater to 8.2, and removing heavy metal ions in the seawater by adopting EDTA-2 Na with the concentration of 10 ppm;
6) pumping the treated seawater in the water storage tank of the greenhouse into the parent shrimp tank, and repeatedly circulating.
TABLE 1 average values of parameters detected in seawater after treatment of circulating water in a plant according to each example
The average value of ammonia nitrogen, nitrite, yellow fungus and green fungus in each embodiment in the using period
TABLE 2 in vivo virus detection results of parent shrimps cultured in each example
As shown in fig. 1, 2, 3, 4 and 5, fig. 1 is a schematic diagram of parent shrimps cultivated by the method for ecologically cultivating parent shrimps of penaeus vannamei according to the present invention: the parent shrimps are sufficient in nutrition, high in maturity and full in gonads;
FIG. 2 is a schematic diagram of the maturity rate of parent shrimps cultivated by the method for ecologically cultivating parent shrimps of penaeus vannamei of the present invention in each month: the ordinate numerical value represents the mature rate of the parent shrimps, the mature rate is more than or equal to 20.5 percent and less than or equal to 36.1 percent;
FIG. 3 is a schematic diagram of the monthly mating rate of parent shrimps cultured by the method for ecologically culturing parent shrimps of Penaeus vannamei Boone of the present invention: the ordinate numerical value represents the mating rate of the parent shrimps, the mating rate is more than or equal to 10.6% and less than or equal to 23.8%;
FIG. 4 is a schematic diagram of the yield per month of parent shrimps cultured by the method for ecologically culturing parent shrimps of Penaeus vannamei Boone of the present invention: the ordinate numerical value represents the single yield of the parent shrimps, and the single yield is more than or equal to 19.8 ten thousand and less than or equal to 25.7 ten thousand;
FIG. 5 is a schematic diagram showing the yield of each month of larval of parent shrimps cultivated by the method for ecologically cultivating parent shrimps of Penaeus vannamei Boone of the present invention: the ordinate value represents the monthly yield of parent shrimps, and the monthly yield is more than or equal to 1.4 hundred million and less than or equal to 9.7 hundred million.
In the process of breeding the parent shrimps, the service cycle of the parent shrimps is strictly controlled within 4 months in order to ensure the quality of the larvae.
According to data statistics, the ecological breeding technology is combined with the circulating water system technology, so that the conventional water quality indexes of the breeding water are within the standard index range, virus detection of each batch of parent shrimps is negative, and a good water quality environment is created for parent shrimp breeding.
The parent shrimps are bright in surface appearance and full in gonad maturity; the average maturity rate can reach 29.4 percent by evaluating the yield of the parent shrimps; the average mating rate can reach 18.1%; the average single yield can reach 22.4 thousands of tails; the average total egg yield can reach 6.6 hundred million tails.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (4)
1. The method for ecologically cultivating the parent penaeus vannamei boone is characterized by comprising the following steps of:
(1) seawater treatment
1) Selecting seawater: selecting seawater meeting the national first-class water standard for cultivation;
2) pumping water from open sea: arranging a deep well with the depth of 2-4 m in the offshore place, pumping the seawater into the deep well, and purifying the seawater by using the purification capacity of the sea sand;
3) and (3) precipitation treatment: settling the seawater in the deep well for 4-7 hours by adopting a natural settling method, and arranging precise filter cotton at a water pumping port and a water outlet to remove granular substances with the particle size of more than 1mm in a water body and reserve trace elements of the original seawater to the maximum extent;
4) and (3) disinfecting an outer pond: combining the detection result of microbes in the open sea water, and specifically selecting different medicaments to sterilize and disinfect the sea water pumped into the outer pond, wherein the medicaments are one or more of 25ppm of bleaching essence, 5ppm of strong chlorine cleaner and 3ppm of Youlejing;
5) removing residual chlorine: reducing the residual chlorine in the seawater to be less than or equal to 0.025mg/L by oxygenation and insolation;
6) filtering in a sand cylinder and a carbon cylinder: pumping the seawater in the outer pond after removing residual chlorine into two sand cylinder filters connected in series, and pumping the seawater into carbon cylinders full of coconut shell activated carbon; wherein the mesh number of the filter screens in the sand cylinder filter is 40-60 meshes, and the radius of the micropores of the coconut shell activated carbon is less than 150 nm;
7) pipeline type ultraviolet sterilization: a plurality of 40W ultraviolet sterilization lamp tubes are arranged in the pipeline, and the seawater filtered by the carbon cylinder is pumped into the pipeline to ensure that the water body is fully contacted with the lamp tubes;
8) performing the Dow ultrafiltration: introducing seawater flowing out of the pipeline into a Dow ultrafiltration device provided with a Dow ultrafiltration membrane, wherein the aperture of the Dow ultrafiltration membrane is 30nm, and the Dow ultrafiltration device intercepts bacteria in the seawater;
9) greenhouse tank: pumping the seawater after the Dow ultrafiltration to a greenhouse water storage tankIn the method, the salinity of the seawater is adjusted to be 28-34 ppt according to the requirement of the aquaculture water, and if the salinity is low, industrial salt is added for adjustment; by using NaHCO3Adjusting the total alkali content of seawater to 140-180 ppm, Ca (OH)2After water is melted, splashing water in the whole pool to adjust the pH value of the seawater to 7.5-8.5, and removing heavy metal ions in the seawater by adopting EDTA-2 Na with the concentration of 10 ppm;
10) pumping the treated seawater in the water storage tank of the greenhouse into a shrimp parent pool;
(2) parent shrimp cultivation
1) Controlling the temperature: providing the optimal survival temperature for the parent shrimps to be 28-29 ℃;
2) controlling light: changing the physiological cycle of the parent shrimps by artificially controlling the illumination to be 2000-2500 lx;
3) controlling quality: selecting female shrimps with the weight of 40-45 g; 7 months old; the body surface is smooth and has no trauma, and the two beards are as long as the shrimp body; selecting male shrimps with the weight of 35-40 g; 7 months old; the body surface is smooth and has no trauma, and the two beards are as long as the shrimp body; strictly implementing biological prevention and control, arranging parent shrimps to enter a pond after virus detection is negative, and cleaning and disinfecting the packaging bags and the shrimps by using 200ppm iodine solution before entering the pond;
4) controlling quantity: temporarily breeding female shrimps and male shrimps in separate ponds, wherein the temporary breeding density is 6-8 shrimps per square meter;
5) controlling materials: according to the feeding amount all day, the proportion of the bait to the total weight of the parent shrimps is respectively as follows: 15% of green insects, 10% of sleeve-fish and 1% of artificial compound feed;
(3) control of strains in parent shrimp pond
1) Adding sodium bicarbonate to provide a carbon source and adding ammonium chloride to provide a carbon source in the parent shrimp pool, so that the total alkali is 140-180 ppm, the ammonia nitrogen is less than or equal to 1.0ppm, and the nitrite is less than or equal to 1.0 ppm;
2) regularly mixing and feeding with 2ppm of lactic acid bacteria and 2ppm of yeast beneficial microorganisms, wherein the total bacteria number of the water body is kept at 3-5 ten thousand strains/mL at the early stage, 10-25 ten thousand strains/mL at the middle and later stages, and the proportion of vibrio in the total bacteria number is within 5%;
(4) workshop circulating water treatment
1) The seawater in the shrimp parent pool automatically flows into a filtering pool provided with a 40-mesh filtering bag through a circulating pipeline, and pollutants are intercepted in the filtering bag;
2) pumping the seawater in the filter tank into a particle filter provided with a suspended particle filtering layer, wherein suspended particles in the suspended particle filtering layer are plastic cylinders with the diameter of 3-4 mm and the height of 4-6 mm;
3) introducing the seawater filtered by the particle filter into a protein separator to remove ammonia nitrogen and organic substances in the seawater;
4) directionally culturing beneficial microorganisms by using the porous bio-spheres, decomposing more complex organic matters in water into simple carbon dioxide, nitrate, methane and hydrogen sulfide by using aerobic microorganisms, and removing ammonia nitrogen in a water body;
5) introducing the seawater filtered by the porous biological balls into a water storage tank of a greenhouse, adjusting the salinity of the seawater to 28-34 ppt, and if the salinity is low, adding industrial salt for adjustment; by using NaHCO3Adjusting the total alkali content of seawater to 140-180 ppm, Ca (OH)2After water is melted, splashing water in the whole pool to adjust the pH value of the seawater to 7.5-8.5, and removing heavy metal ions in the seawater by adopting EDTA-2 Na with the concentration of 10 ppm;
6) pumping the treated seawater in the water storage tank of the greenhouse into the parent shrimp tank, and repeatedly circulating.
2. The method for ecologically breeding parent penaeus vannamei boone as claimed in claim 1, wherein the method comprises the following steps: in the parent shrimp breeding process, the ratio of the feed of the freshwater worms fed in each parent shrimp male pond and parent shrimp female pond is as follows: male parent is 2: 3, the ratio of the squid materials is as follows: male parent is 3: 2.
3. the method for ecologically breeding parent penaeus vannamei boone as claimed in claim 1, wherein the method comprises the following steps: in the parent shrimp cultivation process, the daily feeding arrangement is as follows: feeding the green insects and the squids at a time period of 7: 30-8: 00, feeding the artificial mixed feed at a time period of 10:00, feeding the green insects at a time period of 14: 30-15: 00, feeding the green insects at a time period of 19: 30-20: 00, feeding the squids at a time period of 23: 30-00: 00, and feeding the artificial mixed feed at a time period of 3: 00.
4. The method for ecologically breeding parent penaeus vannamei boone as claimed in claim 3, wherein the method comprises the following steps: feeding is mainly divided into feeding in the morning and feeding is carried out in the rest time as supplementary food intake.
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| CN104872032A (en) * | 2015-06-17 | 2015-09-02 | 茂名市金阳热带海珍养殖有限公司 | Industrialized iconological breeding method of young shrimps having high stress resistance and high disease resistance |
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| CN107459226A (en) * | 2017-09-29 | 2017-12-12 | 广州市旦汀农业科技有限公司 | Inland sea farming system and its cultural method |
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| CN104137797A (en) * | 2014-07-29 | 2014-11-12 | 苏州市新泾村农业基地专业合作社 | Ecological freshwater farming method for penaeus vannamei boone |
| CN104872032A (en) * | 2015-06-17 | 2015-09-02 | 茂名市金阳热带海珍养殖有限公司 | Industrialized iconological breeding method of young shrimps having high stress resistance and high disease resistance |
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Denomination of invention: A Method for Ecological Cultivation of Parent Shrimp of Penaeus vannamei Effective date of registration: 20230420 Granted publication date: 20210406 Pledgee: Dongfang Rural Credit Cooperative Association Pledgor: HAINAN ZHONGZHENG AQUATIC TECHNOLOGY Co.,Ltd. Registration number: Y2023980038527 |