CN111149758A - High-density fish culture method and system - Google Patents
High-density fish culture method and system Download PDFInfo
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- CN111149758A CN111149758A CN202010052022.8A CN202010052022A CN111149758A CN 111149758 A CN111149758 A CN 111149758A CN 202010052022 A CN202010052022 A CN 202010052022A CN 111149758 A CN111149758 A CN 111149758A
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Images
Classifications
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- A—HUMAN NECESSITIES
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- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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- A01G31/02—Special apparatus therefor
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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
- A01K61/10—Culture of aquatic animals of fish
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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
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- A01K61/13—Prevention or treatment of fish diseases
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- A—HUMAN NECESSITIES
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- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention relates to a high-density fish culture method, which comprises the following steps: (1) establishing a reservoir, a fish pond and a glass room, wherein the fish pond and the glass room are in one-to-one correspondence to form culture units, and N culture units are uniformly distributed along the circumferential direction of the reservoir, wherein N is a positive integer greater than 1; (2) a cultivation groove is established in the glass house, so that dynamic water exchange among the water storage pool, the fish pond and the cultivation groove is realized; a cultivation substrate is arranged in the cultivation groove and used for cultivating green plants; the glass house is used as an office place and is provided with a light source required by green plant photosynthesis, and the green plant photosynthesis generates oxygen; (3) cleaning and disinfecting the reservoir and the fishpond, and then injecting water into water injection holes of the reservoir; (4) putting the fry in a fishpond; (5) feeding and fish disease prevention. According to the invention, dynamic water exchange is realized through the design of the fall among the water storage pool, the fish pond and the cultivation groove in the glass room, live water fish culture is realized, and the survival rate of fish fries and the density and yield of fish culture are improved.
Description
Technical Field
The invention belongs to the technical field of fish culture, and particularly relates to a high-density fish culture method and a high-density fish culture system.
Background
The fish and vegetable symbiosis is a novel composite cultivation system, two originally completely different farming techniques of aquaculture and hydroponic cultivation are combined, and scientific synergetic symbiosis is achieved through ingenious ecological design. In the traditional aquaculture, along with the accumulation of fish excrement, the ammonia nitrogen in the water body is increased, and the toxicity is gradually increased; in the fish-vegetable symbiotic system, aquaculture water is conveyed to a hydroponic system, and ammonia nitrogen in the water is decomposed into nitrite and alkali nitrate by microbial bacteria, so that the nitrite and the alkali nitrate are absorbed and utilized by plants as nutrition.
In the prior art, the research on fish-vegetable symbiosis is more. For example, patent document No. CN104969886B discloses a method for symbiotic cultivation of fish and vegetables, in which an ecological floating bed is installed in a pond, vegetables are planted on the ecological floating bed, and fish are cultivated in the pond. Patent document with publication number CN104509469A discloses a high-density green ecological breeding method for lipped fishes, which comprises the steps of site selection and pond building, pond cleaning and disinfection, fry throwing, feeding, daily management, fish disease prevention and control and the like, wherein the lipped fishes are artificially bred by adopting a breeding mode of combining a diversion pond and a stepped multi-level drop height breeding pond, wherein the diversion pond is used for precipitating stream sundries and adjusting water temperature, and the stepped multi-level drop height breeding pond fully dissolves oxygen in air in the drop height process through water flow, so that the requirement of the water flow on the dissolved oxygen content in each breeding pond under different heights is met; wherein, the cultivation area is selected on the mountain stream side in a mountain area with wide terrain and sufficient illumination, and the terrain fall is in a step shape and is not less than 10 meters. For another example, patent document No. CN104782542A discloses an ecological and high-density snakehead cultivation method, which comprises building a cement cultivation pond, arranging a plurality of drain holes at the bottom of the cultivation pond, building a plurality of cultivation grooves near the cultivation pond, spreading a cultivation medium in the cultivation grooves, putting snakehead seeds into the pond in the first 9 th to the last 10 th days after filling water in the pond, simultaneously spreading vegetable seeds, changing the water in the cultivation pond every 6-7 days in spring and autumn after putting the snakehead seeds, changing the water in the cultivation pond every 15-17 days in summer and winter, and changing the water to irrigate the cultivated vegetables; through breeding the snakehead and planting vegetables and combining together, reach a green, pollution-free, ecological healthy breed system, regularly change the rivers in breeding the pond, guarantee that the snakehead has a good living environment, the sewage of change is used for irrigating the vegetables of cultivation inslot, make full use of natural resources, and the vegetable cultivation process need not to use chemical fertilizer, and the green organic, pollution-free of vegetables of cultivation is more suitable for the consumer and eats.
Although the existing fish and vegetable symbiosis system realizes cooperative symbiosis, the problems of low dissolved oxygen, low culture density, difficult site selection and the like still exist to be solved.
Disclosure of Invention
Based on the above disadvantages in the prior art, the present invention provides a high density fish farming method and system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-density fish culture method comprises the following steps:
(1) establishing a reservoir, a fish pond and a glass room, wherein the fish pond and the glass room are in one-to-one correspondence to form culture units, and N culture units are uniformly distributed along the circumferential direction of the reservoir; the water storage tank is of a hollow hemispherical structure, the top of the water storage tank is a diameter surface, and the wall of the water storage tank is provided with a water injection hole, N elevation overflow ports and N low-range water inlets; the fishpond is provided with a water inlet and a water outlet; each elevation overflow port of the reservoir is communicated with the water inlet of each fishpond in a one-to-one correspondence way and has a fall; wherein N is a positive integer greater than 1;
(2) a cultivation groove is formed in the glass house, and a cultivation medium is arranged in the cultivation groove and used for cultivating green plants; the cultivation groove is provided with a water inlet hole and a water outlet hole, the water outlet of the fish pond is communicated with the water inlet hole and has a fall, and the water outlet hole is communicated with a low-level water inlet of the water storage tank and has a fall; the glass house is used as an office place and is provided with a light source required by green plant photosynthesis, and the green plant photosynthesis generates oxygen;
(3) cleaning and disinfecting the water storage tank and the fish pond, and injecting water into water injection holes of the water storage tank to realize dynamic water exchange among the water storage tank, the fish pond and the cultivation tank;
(4) putting the fry in a fishpond;
(5) feeding and fish disease prevention.
As a preferred scheme, in the fry culturing process, oxygen is intermittently introduced into the water storage tank.
Preferably, the reservoir is stirred intermittently.
Preferably, the culture substrate comprises the following components in parts by weight:
30-50 parts of fly ash, 5-10 parts of oil pressing leftovers, 20-40 parts of sawdust and 3-5 parts of pig manure, and fully fermenting and uniformly stirring.
Preferably, the culture substrate comprises the following components in parts by weight:
50 parts of fly ash, 10 parts of oil pressing leftovers, 30 parts of sawdust and 5 parts of pig manure, and fully fermenting and uniformly stirring.
Preferably, the fish disease prevention and treatment adopts a drug prevention reagent, and the drug prevention reagent comprises the following components in parts by weight:
20-40 parts of rhubarb, 10-20 parts of scutellaria baicalensis, 5-10 parts of radix paeoniae alba, 20-40 parts of baking soda and 2-5 parts of castor oil.
As a preferred scheme, the pH of the water in the fish pond is monitored during the fry culture process, and the pH is ensured to be 6.8-7.5.
Preferably, the air in the glass house is blown and aerated to a position below the water level in the cultivation tank.
Preferably, the green plants include one or more of chlorophytum comosum, scindapsus aureus, ciliate desert-grass, chloranthus japonicus, dictyotis odorata, hypericum japonicum, chrysanthemum, cress, agaricus bisporus, narcissus officinalis, pennisetum hydridum, setaria japonica, watermelons, snapdragon, alocasia latifolia, brachypodium leptostachya, alocasia macrolepis, pink watercress, cymbidium macrolobata, lichen planus, nelumbo nucifera, salix angustifolia, salix latifolia, nemorpha vulgare, Japanese pepper, acanthopanax papriifolium, cayenne pepper, coffee pepper, celosia eleuthica, magnolia parviflora, crinis bilineata, cress and faecia pilosula.
The present invention also provides a high density fish farming system, comprising:
the reservoir is of a hollow hemispheroid structure, and the top of the reservoir is a diameter surface; the wall of the reservoir is provided with a water injection hole, N elevation overflow ports and N low-range water inlets;
the N culture units are uniformly distributed along the circumferential direction of the reservoir; each culture unit comprises a fish pond and a glass room, and the fish pond is provided with a water inlet and a water outlet; a cultivation groove is arranged in the glass house, and a cultivation medium is arranged in the cultivation groove and is used for cultivating green plants; the cultivation groove is provided with a water inlet hole and a water outlet hole;
each elevation overflow port of the reservoir is communicated with the water inlet of each fishpond in a one-to-one correspondence way and has a fall;
the water outlet of the fish pond is communicated with the water inlet hole of the cultivation groove and has a fall;
the water outlet of the cultivation groove is communicated with a low-range water inlet of the reservoir and has a fall;
the glass house is used as an office place and is provided with a light source required by green plant photosynthesis, and the green plant photosynthesis generates oxygen;
wherein N is a positive integer greater than 1.
As a preferred scheme, a stirring mechanism is arranged in the reservoir, and an aerator extends to the bottom of the reservoir through an aeration pipeline.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, dynamic water exchange is realized through the drop design among the water storage tank, the fish pond and the cultivation groove in the glass room, live water fish culture is realized, and the improvement of physicochemical indexes of the culture water body, such as the dissolved oxygen in the culture water body, is facilitated, so that the survival rate of fry and the density and yield of fish culture are improved; meanwhile, the prompt of the quality of the office environment is accompanied; and moreover, the energy consumption of drainage is saved.
(2) The invention utilizes the purification effect of the culture medium in the culture tank to purify the water quality flowing into the reservoir from the fish pond and flowing into the culture tank from the reservoir, and the excrement in the fish culture process is intercepted to provide organic nutrition for green plants.
(3) Towards the interior intermittent type formula of cistern and let in oxygen, for whole journey logical oxygen, practice thrift the cost more, and the dissolved oxygen volume in the aquaculture water body obtains guaranteeing.
(4) The formula design of the culture medium is beneficial to improving the dissolved oxygen in water and the growth of green plants.
(5) The addition of the drug preventive agent reduces morbidity and mortality and improves the yield of fish.
Drawings
FIG. 1 is a schematic layout of a high density fish farming system according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a high-density fish farming system according to a first embodiment of the present invention (only one farming unit and a water reservoir are shown in a connected structure).
Detailed Description
The technical solution of the present invention is further described by the following specific examples.
Example 1:
the high-density fish culture method comprises the following steps:
(1) firstly, a high-density fish culture system is established.
Specifically, as shown in fig. 1 and 2, the high-density fish farming system includes: cistern 1, aquarium 2 and glass room 3, aquarium and glass room one-to-one constitute the breed unit, and N breed unit evenly distributed along the circumference of cistern, as shown in fig. 1, this embodiment uses the N value to be 4 and exemplifies, is not limited to 4 breed units, and all positive integers that are greater than 1 can be worth, specifically do not give details.
As shown in fig. 2, the reservoir 1 is a hollow hemispheroid structure, the top of the reservoir is a diameter surface, and the top of the reservoir can be opened or closed. The wall of the reservoir 1 has a water injection hole 10, four elevation overflow ports 11 and four low-level water inlet ports 12. Wherein, the quantity of the elevation overflow ports and the low-range water inlets is the same as that of the culture units.
The fishpond 2 is of a circular structure, the bottom of the fishpond is of a conical structure and is provided with a water inlet 21 and a water outlet 22, the water outlet 22 is located in the middle of the bottom of the fishpond, and the water inlet 21 is located at the top of the fishpond, so that water can be filled into the fishpond to form drop water injection, and the circular exchange of pond water is facilitated. In addition, the water outlet 22 is located in the middle of the bottom of the fish pond and has a function of draining sewage. The water outlet 22 is provided with a sand filtering net to prevent fish from escaping, the mesh can be determined according to the specification and size of the fish, and the larger the mesh is, the better the mesh is under the condition of ensuring that the fish does not escape.
The elevation overflow ports of the reservoir are in one-to-one correspondence with the water inlets of the fish ponds and are communicated through pipelines and have a fall, namely the elevation overflow ports of the reservoir are positioned at the upper side of the water inlets of the fish ponds.
Cultivation grooves 4 are formed in the glass house 3, and the cultivation grooves 4 can be distributed along the circumferential direction of the glass house. The cultivation tank 4 is provided with a cultivation substrate 5 for cultivating green plants, wherein the green plants include one or more of chlorophytum comosum, scindapsus aureus, ciliate desert-grass, arundina graminifolia, dictyota chinensis, elaeagnus mollis, hypericum japonicum, chrysanthemum, cress, agaric, narcissus officinalis, crownwort, rupestris, watermelongrass, snapdragon, alocasia latifolia, alocasia brevifolia, alocasia macrophylla, alopecurus macrophyllum, pink alocasia macrogolensis, aquamarine, bryozoatum, water lily, salix angustifolia, kadsura japonica, arundina, coerulea, papyriferox hybrida, paprius trifoliata, paprika, kadsura pepper, alvarum elegans, papyrum microphyllum, pennisetum gracile, and hairy weeds, and can be selected according to actual needs, and is not limited to the above green plants, but can be selected from other green plants.
The culture medium comprises the following components in parts by weight: 50 parts of fly ash, 10 parts of oil pressing leftovers, 30 parts of sawdust and 5 parts of pig manure, and fully fermenting and uniformly stirring. The culture medium of this embodiment gas permeability is good, and dissolved oxygen is big, and there is a large amount of good oxygen microorganism on the matrix surface, can decompose organic polymer such as the protein of the waste water in the fish pond into can be by the required nutrition micromolecule of green planting, purifies the circulating water simultaneously, and the water after the purification flows back to in the fish pond, realizes running water fish culture.
Specifically, the cultivation tank 4 has an inlet hole 41 and an outlet hole 42.
The water outlet 22 of the fish pond is communicated with the water inlet 41 of the cultivation tank through a pipeline and has a fall, namely the water outlet 22 of the fish pond is positioned above the water inlet 41 of the cultivation tank.
The water outlet hole 42 of the cultivation groove is communicated with the low-range water inlet 12 of the water storage tank through a pipeline and has a fall, namely, the water outlet hole 42 of the cultivation groove is positioned above the low-range water inlet 12 of the water storage tank.
Wherein, glass room 3 is equipped with the required light source of green plant photosynthesis (also can directly utilize the sunlight) as the office space in the glass room 3, and green plant photosynthesis produces oxygen to increase the oxygen content in the glass room, thereby be favorable to improving the dissolved oxygen volume of water in the cultivation groove.
(2) The impounding reservoir and the fish pond are cleaned and disinfected, and then water is injected into the water injection holes of the impounding reservoir, so that dynamic water exchange is realized among the impounding reservoir, the fish pond and the cultivation groove.
Specifically, the reservoir and the fishpond should be soaked in water for 7 days, and then disinfected by quicklime when drained to a water level of 20-50 cm; and injecting water into the water injection holes of the water storage tank after disinfection, so that dynamic water exchange among the water storage tank, the fish pond and the cultivation tank is realized.
(3) And putting the fry in a fishpond.
Specifically, the selection of fish fry is performed with high-quality fish, such as high-quality crucian, grass carp, potter catfish, megalobrama amblycephala, loach, red tuna, yellow catfish, etc.), and the selection of the variety has to meet three conditions: marketability, offspring seed availability and breeding feasibility. Taking the fingerling of the lipped fishes as an example, the average specification is 2.5 g/tail, the stocking amount is 130 tails/square meter, the fingerling specification is regular, the physique is strong, no obvious focus exists, and the swimming power is strong; the fry stocking time is half a month every year, the air temperature and the water temperature are relatively low, the fry activity is less, and the relative transportation survival rate is higher. Before fry placing, the plastic bag filled with the fry is placed in a fish pond for about half an hour to keep the water temperature inside and outside the bag consistent, then the fry is placed in a barrel, the fish body is soaked in 3-5% saline water for 10-15 minutes for sterilizing the fry, and then the fry is placed in the fish pond.
(4) Feeding and fish disease prevention.
Specifically, the ultramicro powder is thrown at noon every day, the total amount is about 1kg, and a small amount of the ultramicro powder is fed when the sunshine is sufficient after eleven months. And feeding a small amount of expanded feed with protein content of 32% when the water temperature rises to 13-15 ℃ in the early third of the next year. Feeding for 2 times every day, wherein the feeding amount is flexibly controlled according to weather, water temperature and fish feeding conditions, and the daily feeding amount is controlled to be 3-5% of the weight of the fry. In addition, in the fry culturing process, the pH of the water in the fish pond is monitored, and the pH is ensured to be 6.8-7.5.
In addition, a drug prevention reagent is adopted for preventing and treating the fish diseases, and the drug prevention reagent comprises the following components in parts by weight: 30 parts of rhubarb, 10 parts of scutellaria baicalensis, 10 parts of white paeony root, 40 parts of baking soda and 5 parts of castor oil, and the components are ground, mixed and stirred with feed for feeding, wherein the weight of the components is based on 100 kilograms of fish.
Example 2:
the difference between the high-density fish culture method of the embodiment and the first embodiment is that:
the method is the same as the first embodiment except that fish disease prevention and treatment measures are not adopted.
The high-density fish farming system of this embodiment is the same as that of the first embodiment.
Example 3:
the difference between the high-density fish culture method of the embodiment and the first embodiment is that:
in the fry culturing process, oxygen is intermittently introduced into the water storage tank, and the water storage tank is intermittently stirred.
The high density system of breeding fish of this embodiment on the basis of embodiment one, is equipped with rabbling mechanism in the cistern, and the oxygen-increasing machine passes through the bottom that the oxygenation pipeline extended to the cistern, and prior art can be referred to the rabbling mechanism, does not give unnecessary details here. Through the effect of stirring and aeration, the dissolved oxygen volume of water in the cistern is improved to improve the dissolved oxygen volume in follow-up cultivation groove, the pond of breeding fish, be favorable to improving the survival rate of fry and the density and the output of breeding fish.
Example 4:
the difference between the high-density fish culture method of the embodiment and the first embodiment is that:
and air in the glass room is blown and aerated to be below the water level in the cultivation tank, so that the dissolved oxygen of the water in the cultivation tank is further improved.
The high-density fish farming system of the present embodiment is different from the first embodiment in that:
the aerator extends to the bottom of the cultivation tank through the pipeline, and the dissolved oxygen of the water body in the cultivation tank is further improved.
The high density fish farming method of the above examples was compared for farming as shown in table 1.
TABLE 1 comparison of the cultivation data for the examples
As can be seen from Table 1, by increasing the dissolved oxygen in the water, the stocking density, the survival rate and the yield per unit area were increased.
In addition, on the basis of example 1, the formulation of the culture substrate was studied, and the culture data was compared with that of a soilless culture substrate disclosed in patent document with publication number CN103070113A as a comparative example, as shown in table 2.
TABLE 2 formulation of culture substrate and comparison of cultivation data for examples and comparative examples
As can be seen from Table 2, the survival rate of the cultured fish is higher and the yield per unit area is improved by 4-10% compared with the existing substrate formula.
In addition, on the basis of example 1, the formulation of the medicinal prophylactic agent was studied and the culture data was compared, as shown in table 3.
TABLE 3 comparison of the cultivation data of the examples
As can be seen from table 3, castor oil in the prophylactic agent of the present invention has a significant effect on the prevention of fish diseases.
The foregoing has outlined rather broadly the preferred embodiments and principles of the present invention and it will be appreciated that those skilled in the art may devise variations of the present invention that are within the spirit and scope of the appended claims.
Claims (10)
1. A high-density fish culture method is characterized by comprising the following steps:
(1) establishing a reservoir, a fish pond and a glass room, wherein the fish pond and the glass room are in one-to-one correspondence to form culture units, and N culture units are uniformly distributed along the circumferential direction of the reservoir; the water storage tank is of a hollow hemispherical structure, the top of the water storage tank is a diameter surface, and the wall of the water storage tank is provided with a water injection hole, N elevation overflow ports and N low-range water inlets; the fishpond is provided with a water inlet and a water outlet; each elevation overflow port of the reservoir is communicated with the water inlet of each fishpond in a one-to-one correspondence way and has a fall; wherein N is a positive integer greater than 1;
(2) a cultivation groove is formed in the glass house, and a cultivation medium is arranged in the cultivation groove and used for cultivating green plants; the cultivation groove is provided with a water inlet hole and a water outlet hole, the water outlet of the fish pond is communicated with the water inlet hole and has a fall, and the water outlet hole is communicated with a low-level water inlet of the water storage tank and has a fall; the glass house is used as an office place and is provided with a light source required by green plant photosynthesis, and the green plant photosynthesis generates oxygen;
(3) cleaning and disinfecting the water storage tank and the fish pond, and injecting water into water injection holes of the water storage tank to realize dynamic water exchange among the water storage tank, the fish pond and the cultivation tank;
(4) putting the fry in a fishpond;
(5) feeding and fish disease prevention.
2. The method as claimed in claim 1, wherein oxygen is intermittently supplied into the reservoir during the fry rearing process.
3. A method as claimed in claim 1 or 2, wherein the pond is agitated intermittently.
4. The method as claimed in claim 1, wherein the cultivation substrate comprises the following components in parts by weight:
30-50 parts of fly ash, 5-10 parts of oil pressing leftovers, 20-40 parts of sawdust and 3-5 parts of pig manure, and fully fermenting and uniformly stirring.
5. The method as claimed in claim 4, wherein the culture medium comprises the following components in parts by weight:
50 parts of fly ash, 10 parts of oil pressing leftovers, 30 parts of sawdust and 5 parts of pig manure, and fully fermenting and uniformly stirring.
6. The method as claimed in claim 1, wherein the fish diseases are controlled by using a drug preventive agent comprising the following components in parts by weight:
20-40 parts of rhubarb, 10-20 parts of scutellaria baicalensis, 5-10 parts of radix paeoniae alba, 20-40 parts of baking soda and 2-5 parts of castor oil.
7. A method for high-density cultivation of fish as claimed in claim 1, wherein the air in the glass room is blown and aerated to a level below the water level in the cultivation tank.
8. The method of claim 1, wherein the green plants include one or more of chlorophytum comosum, scindapsus aureus, ciliate desert-grass, arundina graminifolia, dictyota indica, elaeagnus mollis, hypericum japonicum, chrysanthemum flowers, cress, shiitake mushrooms, narcissus, pennisetum macrocarpium, crinis nigra, watermelons, goldfish, alocasia latifolia, brachypodium brevifolia, alocasia macrogola, arundina rosea, aquamarine, lichen planus, nelumbo aquatica, aquamarine, salix angustifolia, salix giganteus, nemadenia, zandra japonica, zanthoxylum piperitum, copperzia, paprika, xifrage, zanthoxylum piperitum, alvarum, pennisetum parvifolium, cress tenuifolia, and sedum.
9. A high-density fish farming system, comprising:
the reservoir is of a hollow hemispheroid structure, and the top of the reservoir is a diameter surface; the wall of the reservoir is provided with a water injection hole, N elevation overflow ports and N low-range water inlets;
the N culture units are uniformly distributed along the circumferential direction of the reservoir; each culture unit comprises a fish pond and a glass room, and the fish pond is provided with a water inlet and a water outlet; a cultivation groove is arranged in the glass house, and a cultivation medium is arranged in the cultivation groove and is used for cultivating green plants; the cultivation groove is provided with a water inlet hole and a water outlet hole;
each elevation overflow port of the reservoir is communicated with the water inlet of each fishpond in a one-to-one correspondence way and has a fall;
the water outlet of the fish pond is communicated with the water inlet hole of the cultivation groove and has a fall;
the water outlet of the cultivation groove is communicated with a low-range water inlet of the reservoir and has a fall;
the glass house is used as an office place and is provided with a light source required by green plant photosynthesis, and the green plant photosynthesis generates oxygen;
wherein N is a positive integer greater than 1.
10. The system of claim 9, wherein the reservoir has an agitation mechanism and an aerator extends through the aeration conduit to the bottom of the reservoir.
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| CN112841090A (en) * | 2021-01-29 | 2021-05-28 | 海南晨海水产有限公司 | Indoor cement pond artificial breeding method for oplegnathus punctatus and yellow lion fish |
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