CN111134057B - Intensive cultivation method for high and stable yield of cladocerans - Google Patents
Intensive cultivation method for high and stable yield of cladocerans Download PDFInfo
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- CN111134057B CN111134057B CN202010114317.3A CN202010114317A CN111134057B CN 111134057 B CN111134057 B CN 111134057B CN 202010114317 A CN202010114317 A CN 202010114317A CN 111134057 B CN111134057 B CN 111134057B
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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
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- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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- A23K10/00—Animal feeding-stuffs
- A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
- A23K10/16—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
- A23K10/18—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions of live microorganisms
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- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
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- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
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Abstract
The invention provides a high-yield and stable-yield intensive cultivation method for cladocerans, which comprises the following steps of (1) selecting cladocerans with the area more than or equal to 65m2The cement cultivation pool is matched with 2 fertilizer pools; (2) applying a compound fertilizer to the fertilizer water pool; simultaneously, injecting 30-50% of clean water and 50-70% of compound fertilizer water into the cement culture pond in a convection manner, and applying a compound fertilizer; applying biogas slurry every day; (3) inoculating cladocerans into the cement culture pond; inoculating for 1-2 days, and applying biogas slurry every day; inoculating for 3-5 days, and feeding 0.1-0.3 g/m of bait every day2(ii) a Discharging 15-25% of pool water into the cement cultivation pool every 3-5 days after 5-7 inoculation, and injecting 30-35% of clean water and 65-70% of compound fertilizer water in equal amount; applying a compound fertilizer; (4) fishing and cleaning; the invention effectively maintains the dynamic fluidity of the water body fertility, improves the water body quality, ensures the stability of the cladocera yield and realizes the intensive cultivation of the cladocera with stable and high yield.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a high-yield and stable-yield intensive cultivation method for cladocerans.
Background
Cladocera (Cladocera) is also called daphnia for short, daphnia, commonly called as red worm, and belongs to invertebrates, Crustacea, and Chondrichthyes. The body is short, long and round, divided into head and trunk, and has flat side and unobvious body segments. Most of the fishes live in fresh water, ponds, lakes and rivers and are important baits for the fishes, so the fishes are commonly called as fish and insect. The cladocera is high in protein content, rich in important amino acids required by fish, rich in vitamins and calcium, and is an ideal initial feed for raising larvae of fish, shrimps and crabs. With the increasing use amount of the cladocera as high-quality baits, the existing cladocera cultivation technology can not reach the supply density required by the market, the problems of difficult regulation and control of water quality and fertility and unstable yield often exist in the existing cladocera cultivation process, the intensive cultivation technology of the cladocera is not perfect, and the stable and continuous high-density large-scale cultivation method of the cladocera is difficult to realize.
Disclosure of Invention
Therefore, the invention provides a high-yield and stable-yield intensive cultivation method for cladocerans.
The technical scheme of the invention is realized as follows:
a high-yield and stable-yield intensive cultivation method for cladocerans comprises the following steps:
(1) pretreatment of a cultivation pond and a fertilizer water pond:
the selected area is more than or equal to 65m2The cement cultivation pool is provided with 2 areas of 70-80 m2The cement cultivation pool and the fertilizer pool are respectively disinfected and cleaned by limestone, and the pool is dried for more than 3-5 days;
(2) early stage water injection and fertilization:
after water is injected into the fertilizer pool, 1-2 kg/m of fertilizer is applied2Obtaining compound fertilizer water;
simultaneously injecting 30-50% of clean water and 50-70% of compound fertilizer water into the cement culture pond in a convection manner to enable the water bodies to naturally flow and mix, wherein the depth of the water bodies is 1.3-1.8 m, and 3-5 kg/m of the compound fertilizer water is added2Standing the compound fertilizer for 2-3 days; 0.5-1 kg/m is applied to the cement cultivation pool every day2The biogas slurry is prepared;
(3) inoculation:
when the transparency of water in the cement cultivation pool is 10-13 cm, inoculation is carried out, and the inoculation amount is 60-80 g/m2Fresh and alive twigs, the water temperature is 20-22 ℃ during introduction, the pH value is 8.0-8.5, and the dissolved oxygen is more than or equal to 6 mg/L;
after 1-2 days of inoculation, 0.5-1 g/m of the fertilizer is added into a cement culture pond every day2The biogas slurry is applied in the morning and evening for 2 times; 3-5 days after inoculation, each time0.1-0.3 g/m of bait is fed every day2Feeding for 2-3 times; after 5-7 inoculation, discharging 15-25% of water in the cement cultivation pool every 3-5 days, and then injecting an equivalent water source, wherein the water source comprises 30-35% of clean water and 65-70% of compound fertilizer water; after the water injection is finished, 0.1-0.3 kg/m of supplementary application is carried out2A compound fertilizer;
(4) fishing and cleaning:
when the pool water of the cement cultivation pool is brown or olive, fishing out through a screen, wherein the fishing amount accounts for 35-40% of the total cladocerans each time; and regularly fishing out and cleaning suspended matters and substrate impurities in the culture pond every 2-3 days. The invention provides a high-yield and stable-yield intensive cultivation method for cladocera, which not only effectively maintains the dynamic fluidity of water body fertility and avoids the problem of water body quality reduction caused by long-term additional fertilization and bait accumulation by carrying out optimized combination on a cement cultivation pool and a fertilizer water pool and dynamically regulating and controlling the injection ratio of fresh water and rich water, but also greatly reduces the difficulty of fertility regulation and control in the cement cultivation pool, avoids water body over-fertilization and influence on growth and reproduction of cladocera due to low transparency, thereby indirectly reducing the difficulty of topdressing and bait feeding regulation and control of the conventional cultivation pool, effectively simplifying the management and regulation and control of intensive cultivation of cladocera, and realizing the yield stability of high-density cladocera cultivation; meanwhile, the invention greatly prolongs the peak period duration of the cladocera and improves the yield of the cladocera by optimizing the adjustment of fertilizer, bait and rich water and the regulation and control of the cultivation density, thereby effectively realizing the intensive cultivation of the stable high yield of the cladocera.
Further, the compound fertilizer is a mixed fermentation product obtained by mixing chicken manure, cow manure, cake and rice hull according to the mass ratio of 10:10:1:0.5 and fermenting for 24 hours at the temperature of 30-35 ℃.
By optimally designing the compound fertilizer, the peak period duration of the cladocera is effectively prolonged.
Further explaining, the bait comprises the following components in parts by weight: 5-8 parts of chlorella powder, 5-8 parts of spirulina powder, 3-5 parts of dunaliella salina powder, 0.5-1 part of silkworm chrysalis powder, 0.6-0.8 part of rice bran and 0.05-0.1 part of beer yeast powder.
Algae in different proportions are adopted to be supplemented with silkworm chrysalis meal, rice bran and beer yeast, and bait feeding is reasonably carried out, so that sufficient nutrient substances are provided for cladocerans, and high-density propagation of the cladocerans is ensured.
Further explaining, in the step (2), the water depth of the cement culture pond is controlled to be 1.4m, and the water depth is controlled to be 1.6m after 5-7 days of inoculation.
Further explaining, in the step (2), 40% of clean water and 60% of compound fertilizer water are simultaneously injected into the cement culture pond in a convection manner.
Further, in the step (3), the water level in the fertilizer water pool is kept at 0.8-1.0 m, and 0.1-0.3 kg/m is applied every week2The compound fertilizer is stirred and mixed evenly by manpower.
Further explaining, in the step (3), after 5-7 days of inoculation, 25% of cultivation pond water is discharged into the cement cultivation pond every 5 days, and then 35% of clean water and 65% of compound fertilizer water which are equal in quantity are injected in a convection mode.
Further, transparent gauze covers are arranged at the tops of the cement cultivation pool and the fertilizer pool, and when water is injected, zooplankton nets are used for filtering to remove planktons and impurities in the water.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the cement cultivation pool and the fertilizer pool are optimally combined, the injection ratio of fresh water and rich water is dynamically regulated and controlled, the dynamic mobility of the water body fertility is effectively maintained, the water body quality of high-density cultivation of the cladocerans is improved, the difficulty of regulating and controlling the fertility in the cement cultivation pool is greatly reduced, the management and regulation and control of intensive cultivation of the cladocerans are simplified, the growth and propagation of the cladocerans are ensured, and the yield stability of high-density cladocerans cultivation is realized; meanwhile, by optimizing the adjustment of fertilizer, bait and rich water and the regulation and control of the cultivation density, the peak period duration of the cladocera is greatly prolonged, the yield of the cladocera is improved, and thus the intensive cultivation of stable and high yield of the cladocera is realized.
Drawings
FIG. 1 is a layout view of a cement cultivation pond and a fertilizer water pond for the intensive cultivation of cladocerans according to an embodiment of the present invention;
Detailed Description
In order to better understand the technical content of the invention, specific examples are provided below to further illustrate the invention.
The experimental methods used in the examples of the present invention are all conventional methods unless otherwise specified.
The materials, reagents and the like used in the examples of the present invention can be obtained commercially without specific description.
Example 1-a high and stable yield intensive cultivation method for cladocera, comprising the following steps:
(1) pretreatment of a cultivation pond and a fertilizer water pond:
selecting an area of 65m2The cement cultivation pool is provided with 2 cement cultivation pools with the area of 70m2The top of the fertilizer pool is covered by a transparent gauze, the cement cultivation pool and the fertilizer pool are respectively disinfected and cleaned by limestone, and the pool is dried for more than 3 days; when water is injected into the pool, a zooplankton net is adopted for filtering, and plankton and impurities in the water are removed;
(2) early stage water injection and fertilization:
after water is injected into the fertilizer pool, 1 kg/m of fertilizer is added2Obtaining compound fertilizer water; the compound fertilizer is a mixed fermentation product obtained by mixing chicken manure, cow manure, cake meal and rice hull according to the mass ratio of 10:10:1:0.5 and fermenting for 24 hours at the temperature of 30-35 ℃;
simultaneously injecting 30 percent of clean water and 70 percent of compound fertilizer water into the cement culture pond in a convection way to ensure that the water bodies naturally flow and mix, the depth of the water bodies is 1.3m, and 3 kg/m of the compound fertilizer water is added2Standing the compound fertilizer for 2 days; applying 0.5 kg/m to the cement cultivation pond per day2The biogas slurry is prepared;
(3) inoculation:
inoculating when the transparency of water in the cement culture pond is 10cm, wherein the inoculation amount is 60g/m2Fresh and alive twigs, the water temperature is 20 ℃ during introduction, the pH value is 8.0, and the dissolved oxygen is more than or equal to 6 mg/L;
1 day after inoculation, 0.5 g/m was applied daily to the cement cultivation pond2The biogas slurry is divided into 2 parts in the morning and eveningSecondary application; after 3 days of inoculation, 0.1 g/m of bait is fed every day2Feeding for 2 times; the bait comprises the following components in parts by weight: 5 parts of chlorella powder, 5 parts of spirulina powder, 3 parts of dunaliella salina powder, 0.5 part of silkworm chrysalis powder, 0.6 part of rice bran and 0.05 part of beer yeast powder; after inoculation 5, 15% of water in the cement cultivation pool is discharged every 3 days, an equivalent water source is injected again, the water source comprises 30% of clean water and 70% of compound fertilizer water, the depth of the water body is controlled to be 1.6m, and after the water injection is finished, 0.1 kg/m is additionally applied2A compound fertilizer;
keeping the water level in the fertilizer pool at 0.8m, and applying 0.1 kg/m every week2The compound fertilizer is stirred and mixed evenly by manpower once;
(4) fishing and cleaning:
when the pool water of the cement cultivation pool is dark brown or olive-colored, fishing out through a screen, wherein the fishing amount accounts for 35% of the total cladocerans each time; and regularly fishing out and cleaning suspended matters and substrate impurities in the culture pond every 2-3 days.
Embodiment 2-a high and stable yield intensive cultivation method for cladocera, comprising the following steps:
(1) pretreatment of a cultivation pond and a fertilizer water pond:
selecting an area of 70m2The cement cultivation pool is provided with 2 areas of 75m2The top of the fertilizer pool is covered by a transparent gauze, the cement cultivation pool and the fertilizer pool are respectively disinfected and cleaned by limestone, and the pool is dried for more than 5 days; when water is injected into the pool, a zooplankton net is adopted for filtering, and plankton and impurities in the water are removed;
(2) early stage water injection and fertilization:
after water is injected into the fertilizer pool, 1.5 kg/m of fertilizer is applied2Obtaining compound fertilizer water; the compound fertilizer is a mixed fermentation product obtained by mixing chicken manure, cow manure, cake meal and rice hull according to the mass ratio of 10:10:1:0.5 and fermenting for 24 hours at the temperature of 30-35 ℃;
simultaneously injecting 50% of clean water and 50% of compound fertilizer water into the cement culture pond in a convection manner to enable the water bodies to naturally flow and mix, wherein the depth of the water bodies is 1.8m, and 4 kg/m of the compound fertilizer water is added2Standing the compound fertilizer for 3 days; 0.8 kg/m/day of the cement culture pond2The biogas slurry is prepared;
(3) inoculation:
inoculating when the transparency of water in the cement culture pond is 11cm, wherein the inoculation amount is 75g/m2Fresh and alive twigs, the water temperature is 21 ℃ during introduction, the pH value is 8.5, and the dissolved oxygen is more than or equal to 6 mg/L;
2 days after inoculation, 0.7 g/m/day of the mixture was added to the cement culture pond2The biogas slurry is applied in the morning and evening for 2 times; after 4 days of inoculation, 0.2 g/m of bait is fed every day2Feeding for 3 times; the bait comprises the following components in parts by weight: 8 parts of chlorella powder, 8 parts of spirulina powder, 4 parts of dunaliella salina powder, 0.6 part of silkworm chrysalis powder, 0.7 part of rice bran and 0.08 part of beer yeast powder; after inoculation 6, discharging 20% of water in the cement cultivation pool every 4 days, and then injecting an equivalent water source, wherein the water source comprises 32% of clean water and 68% of compound fertilizer water; the depth of the water body is controlled to be 1.6m, and 0.2 kg/m is additionally applied after the water injection is finished2A compound fertilizer;
keeping the water level in the fertilizer pool at 0.9m, and applying 0.2 kg/m every week2The compound fertilizer is stirred and mixed evenly by manpower once;
(4) fishing and cleaning:
when the pool water of the cement cultivation pool is dark brown or olive, fishing the water by using a screen, wherein the fishing amount accounts for 40% of the total cladocerans each time; and regularly fishing out and cleaning suspended matters and substrate impurities in the culture pond every 2-3 days.
Embodiment 3-a high and stable yield intensive cultivation method for cladocera, comprising the following steps:
(1) pretreatment of a cultivation pond and a fertilizer water pond:
selecting an area of 70m2The cement cultivating pool is provided with 2 areas of 80m2The top of the fertilizer pool is covered by a transparent gauze, the cement cultivation pool and the fertilizer pool are respectively disinfected and cleaned by limestone, and the pool is dried for more than 4 days; when water is injected into the pool, a zooplankton net is adopted for filtering, and plankton and impurities in the water are removed;
(2) early stage water injection and fertilization:
after the water is injected into the fertilizer pool, 2 kg/m of water is added2Obtaining compound fertilizer water; the compound fertilizer is a mixed fermentation product obtained by mixing chicken manure, cow manure, cake meal and rice hull according to the mass ratio of 10:10:1:0.5 and fermenting for 24 hours at the temperature of 30-35 ℃;
simultaneously injecting 40% of clean water and 60% of compound fertilizer water into the cement culture pond in a convection way to ensure that the water bodies naturally flow and mix, the depth of the water bodies is 1.4m, and 5 kg/m of the compound fertilizer water is added2Standing the compound fertilizer for 3 days; applying 1 kg/m to the cement cultivation pond per day2The biogas slurry is prepared;
(3) inoculation:
inoculating when the transparency of water in the cement culture pond is 13cm, wherein the inoculation amount is 80g/m2Fresh and alive twigs, the water temperature is 22 ℃ when the twigs are introduced, the pH value is 8.5, and the dissolved oxygen is more than or equal to 6 mg/L;
2 days after inoculation, 1 g/m of the mixture is applied to the cement culture pond every day2The biogas slurry is applied in the morning and evening for 2 times; after 5 days of inoculation, 0.3 g/m of bait is fed every day2Feeding for 3 times; the bait comprises the following components in parts by weight: 6 parts of chlorella powder, 6 parts of spirulina powder, 5 parts of dunaliella salina powder, 1 part of silkworm chrysalis powder, 0.8 part of rice bran and 0.1 part of beer yeast powder; after inoculation of 7, discharging 25% of water in the cement cultivation pool every 5 days, and then injecting an equivalent water source, wherein the water source comprises 35% of clean water and 65% of compound fertilizer water; the depth of the water body is controlled to be 1.6m, and 0.3 kg/m is additionally applied after the water injection is finished2A compound fertilizer;
keeping water level in the fertilizer water pool at 1.0m, and applying 0.3 kg/m every week2The compound fertilizer is stirred and mixed evenly by manpower once;
(4) fishing and cleaning:
when the pool water of the cement cultivation pool is dark brown or olive, fishing out through a screen, wherein the fishing amount accounts for 38% of the total cladocerans each time; and regularly fishing out and cleaning suspended matters and substrate impurities in the culture pond every 2-3 days.
Comparative example 1-intensive cultivation of high and stable yield cladocera as in example 3, with the difference that: in the inoculation step, after 7, 25% of water in the cement cultivation pool is discharged every 5 days, and then an equivalent water source is injected, wherein the water source comprises 25% of clean water and 75% of compound fertilizer water; controlling the depth of the water body to be 1.6m, and supplementing and applying 0.3 kg/m & lt 2 & gt of compound fertilizer after water injection is finished; the rest of the procedure was the same as in example 3.
Comparative example 2-intensive cultivation of high and stable yield of cladocera according to example 3, except that in step (2), 3 kg/m of cladocera is applied to the manure water tank2Obtaining compound fertilizer water; in the step (3), the water level in the fertilizer pool is kept at 1.0m, and 0.5 kg/m is applied every week2The compound fertilizer is manually stirred and uniformly mixed once; the rest of the procedure was the same as in example 3.
Comparative example 3-the intensive cultivation method for cladocera with high and stable yield as in example 3 is different in that organic fertilizer obtained by mixing, stacking and fermenting chicken manure and duck manure in a mass ratio of 1:1 is used for replacing the compound fertilizer, mixed bait of chlorella powder and beer yeast in a mass ratio of 20:1 is used for replacing the bait, and the rest steps are the same as those in example 3.
According to the intensive cultivation method of the cladocera according to the above examples 1 to 3 and comparative examples 1 to 3, 6 groups of experimental groups were set correspondingly for 30 days of cladocera cultivation, and the yield and peak duration of the statistical cladocera intensive cultivation at different times were measured, and the results are as follows:
as can be seen from the above table, according to the method for cultivating the cladocera intensively, the cement cultivation pool and the fertilizer water pool are optimally combined, the injection ratio of fresh water and fertilizer water is dynamically regulated, the dynamic mobility of the water body fertility is effectively maintained, the stability of the yield of the high-density cultivation of the cladocera is effectively improved, and the yield can be continuously maintained at 800g/m2Therefore, the peak period duration time of the cladocerans is effectively prolonged, and the intensive cultivation of the cladocerans with stable yield and high yield is realized. According to examples 3 andcompared with the prior art, the comparative examples 1 and 2 show that the injection ratio of the inoculated fresh water and the fertilizer water is changed, if the proportion of the composite fertilizer water is too high, the water body fertility is easily overlarge, and the effective growth and reproduction of the cladocera are limited, and in addition, if the proportion of the composite fertilizer water in the fertilizer water tank is too high, the water body quality and the fertility are also seriously influenced after the composite fertilizer water is injected into a cement cultivation tank, the reproduction of the cladocera is inhibited, so that the peak period duration of the cladocera is influenced, and the problem of yield reduction is caused. According to the embodiment 3 and the comparative example 3, the specific compound fertilizer and bait are adopted, the reasonable application and feeding amount are carried out, and the injection ratio of fresh water and rich water is dynamically regulated and controlled, so that the good quality of the water body is favorably maintained, and the stable high yield of the cladocera is maintained.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A high-yield and stable-yield intensive cultivation method for cladocerans is characterized by comprising the following steps: the method comprises the following steps:
(1) pretreatment of a cultivation pond and a fertilizer water pond:
the selected area is more than or equal to 65m2The cement cultivation pool is provided with 2 areas of 70-80 m2The cement cultivation pool and the fertilizer pool are respectively disinfected and cleaned by limestone, and the pool is dried for 3-5 days;
(2) early stage water injection and fertilization:
after water is injected into the fertilizer pool, 1-2 kg/m of fertilizer is applied2Obtaining compound fertilizer water;
simultaneously injecting 30-50% of clean water and 50-70% of compound fertilizer water into the cement culture pond in a convection manner to enable the water bodies to naturally flow and mix, wherein the depth of the water bodies is 1.3-1.8 m, and 3-5 kg/m of the compound fertilizer water is added2Standing the compound fertilizer for 2-3 days; 0.5-1 kg/m is applied to the cement cultivation pool every day2The biogas slurry is prepared;
(3) inoculation:
when cement is usedInoculating when the transparency of water in the culture pond is 10-13 cm, wherein the inoculation amount is 60-80 g/m2Fresh and alive twigs, the water temperature is 20-22 ℃ during introduction, the pH value is 8.0-8.5, and the dissolved oxygen is more than or equal to 6 mg/L;
after 1-2 days of inoculation, 0.5-1 g/m of the fertilizer is added into a cement culture pond every day2The biogas slurry is applied in the morning and evening for 2 times; after 3-5 days of inoculation, 0.1-0.3 g/m of bait is fed every day2Feeding for 2-3 times; after 5-7 inoculation, discharging 15-25% of water in the cement cultivation pool every 3-5 days, and then injecting an equivalent water source, wherein the water source comprises 30-35% of clean water and 65-70% of compound fertilizer water; after the water injection is finished, 0.1-0.3 kg/m of supplementary application is carried out2A compound fertilizer;
the water level in the fertilizer water pool is kept at 0.8-1.0 m, and 0.1-0.3 kg/m is applied every week2The compound fertilizer is stirred and mixed evenly by manpower once;
(4) fishing and cleaning:
when the pool water of the cement cultivation pool is brown or olive, fishing out through a screen, wherein the fishing amount accounts for 35-40% of the total cladocerans each time; and regularly fishing out and cleaning suspended matters and substrate impurities in the culture pond every 2-3 days.
2. The intensive cultivation method of high and stable yield cladocera as claimed in claim 1, wherein: the compound fertilizer is a mixed fermentation product obtained by mixing chicken manure, cow manure, cake meal and rice hull according to the mass ratio of 10:10:1:0.5 and fermenting for 24 hours at the temperature of 30-35 ℃.
3. The intensive cultivation method of high and stable yield cladocera as claimed in claim 1, wherein: the bait comprises the following components in parts by weight: 5-8 parts of chlorella powder, 5-8 parts of spirulina powder, 3-5 parts of dunaliella salina powder, 0.5-1 part of silkworm chrysalis powder, 0.6-0.8 part of rice bran and 0.05-0.1 part of beer yeast powder.
4. The intensive cultivation method of high and stable yield cladocera as claimed in claim 1, wherein: in the step (2), the water depth of the cement culture pond is controlled to be 1.4m, and the water depth is controlled to be 1.6m after 5-7 days of inoculation.
5. The intensive cultivation method of high and stable yield cladocera as claimed in claim 1, wherein: in the step (2), 40% of clean water and 60% of compound fertilizer water are simultaneously injected into the cement culture pond in a convection manner.
6. The intensive cultivation method of high and stable yield cladocera as claimed in claim 1, wherein: and (3) after 5-7 inoculation, discharging 25% of cultivation pond water into the cement cultivation pond every 5 days, and simultaneously, injecting 35% of clean water and 65% of compound fertilizer water in the same amount in a convection manner.
7. The intensive cultivation method of high and stable yield cladocera as claimed in claim 1, wherein: the top in cement cultivation pond and fertile pond is equipped with transparent gauze and covers, during the water injection, all adopts zooplankton net to filter, detach aquatic plankton and impurity.
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| CN104489289A (en) * | 2014-11-24 | 2015-04-08 | 宁波大学 | Feed for culturing of cladocerans, and application method thereof |
| CN106035244A (en) * | 2016-06-23 | 2016-10-26 | 中国科学院水生生物研究所 | In situ enclosure-type large-scale farming method for cladocerans in freshwater lake |
| CN209121007U (en) * | 2018-11-08 | 2019-07-19 | 华中农业大学 | A kind of system of semi-automation laboratory cladocera a large amount amplification |
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| CN104489289A (en) * | 2014-11-24 | 2015-04-08 | 宁波大学 | Feed for culturing of cladocerans, and application method thereof |
| CN106035244A (en) * | 2016-06-23 | 2016-10-26 | 中国科学院水生生物研究所 | In situ enclosure-type large-scale farming method for cladocerans in freshwater lake |
| CN209121007U (en) * | 2018-11-08 | 2019-07-19 | 华中农业大学 | A kind of system of semi-automation laboratory cladocera a large amount amplification |
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Denomination of invention: A High and Stable Yield Intensive Cultivation Method for Cladocera Effective date of registration: 20230626 Granted publication date: 20220322 Pledgee: Guangdong Development Bank Co.,Ltd. Haikou Branch Pledgor: HAINAN CHENHAI AQUATIC Co.,Ltd. Registration number: Y2023980045710 |