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Aquaculture method of ecological food chain of intensive circulating aquaculture system

A technology of recirculating aquaculture and cultivation method, which is applied to the establishment of ecological food chain in intensive recirculating aquaculture system, can solve the problems of death, corrupt water quality, and affect the health of fish, and achieve the effect of reducing death and protecting growth.

Inactive Publication Date: 2019-05-10
南通龙洋水产有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Bacteria will die in large numbers after passing through the ultraviolet sterilization device. The dead bacteria will continue to circulate with the circulation of the water body and cannot be degraded. After a long time, the water quality will be corrupted and the water body will be damaged, thus affecting the health of fish in the aquaculture system. , make the fish sick, so the device can't really kill bacteria
The fundamental problem is that a recyclable ecological food chain has not been formed in the system, and small molecular proteins such as ammonia nitrogen and argon nitrogen in the water, as well as dead bacteria can only remain in the water and cause various damages to the fish.
From these aspects, in the existing intensive farming model, the farming products and the organisms in the system are not in harmony, the biological chain in the system is weakly connected, and the overall ecology is unstable, which makes farming have certain risks and does not conform to the "biological is the basic laws of nature

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0016] Establish the system according to the cultivation method of an intensive recirculating aquaculture system ecological food chain described in the above-mentioned technical scheme in a certain dragon pattern intensive breeding base, and the breeding density is 80kg / m³. Specific steps are as follows.

[0017] Adding microbial preparations to A breeding pond: Putting microbial preparations in the Longwenban breeding pond, including Bacillus subtilis (100 billion cfu / g of viable bacteria), Lactobacillus (50 billion cfu / g of viable bacteria) and photosynthetic bacteria (The number of viable bacteria is 1 billion cfu / ml) 3 types, the dosage is 20g / m 3 , 10g / m 3 , 2L / m 3 . Every 7 days, the same type and quantity of microbial preparations need to be supplemented.

[0018] B. Screening (120 mesh) for preliminary treatment of undecomposed feces and feed residues in the tail water discharged from the aquaculture system. The water body is extracted by the water pump and enters ...

Embodiment 2

[0021] Establish the system according to the cultivation method of an intensive recirculating aquaculture system ecological food chain described in the above-mentioned technical scheme in a certain dragon pattern intensive breeding base, and the breeding density is 85kg / m³. Specific steps are as follows.

[0022] Adding microbial preparations to A breeding pond: Putting microbial preparations in the Longwenban breeding pond, including Bacillus subtilis (100 billion cfu / g of viable bacteria), Lactobacillus (50 billion cfu / g of viable bacteria) and photosynthetic bacteria (The number of viable bacteria is 1 billion cfu / ml) 3 types, the dosage is 25g / m 3 , 15g / m 3 , 1.5L / m 3 . Every 8 days, the same type and quantity of microbial preparations need to be supplemented.

[0023] B. Screening (120 mesh) for preliminary treatment of undecomposed feces and feed residues in the tail water discharged from the aquaculture system. The water body is extracted by the water pump and enter...

Embodiment 3

[0026] In a certain Pufferfish intensive culture base, the system is established according to the cultivation method of a kind of intensive recirculating aquaculture system ecological food chain described in the above technical scheme, and the culture density is 90kg / m³. Specific steps are as follows.

[0027] Adding microbial preparations to A breeding pond: Putting microbial preparations in the Longwenban breeding pond, including Bacillus subtilis (100 billion cfu / g of viable bacteria), Lactobacillus (50 billion cfu / g of viable bacteria) and photosynthetic bacteria (The number of viable bacteria is 1 billion cfu / ml) 3 types, the dosage is 30g / m 3 , 20g / m 3 、3L / m 3 . Every 10 days, the same type and quantity of microbial agents need to be replenished.

[0028] B. Screening (120 mesh) for preliminary treatment of undecomposed feces and feed residues in the tail water discharged from the aquaculture system. The water body is extracted by the water pump and enters the protei...

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Abstract

The invention discloses an aquaculture method of an ecological food chain of an intensive circulating aquaculture system. The aquaculture method mainly comprises the steps: firstly, adding a certain amount of microbial preparation into a culture pond; then, adding opossum shrimps and conical snails into a biological purification pond; and finally, cancelling an ultraviolet disinfection device so that residual feeds and faeces 1, nitrobacteria 2, opossum shrimps and conical snails 3 and fishes 4 in an aquaculture process form a stable ecological food chain of the aquaculture system. By using the method, the conflict between aquaculture and disinfection is solved from production, a most natural artificial aquaculture system is provided for aquaculture varieties, and the artificial ecologicalization of an aquaculture water body is realized.

Description

technical field [0001] The invention relates to the field of aquaculture and water purification, in particular to the establishment of an ecological food chain in an intensive circulating aquaculture system. Background technique [0002] With the advancement of science and technology and the development of society, the traditional rough, single, and low-yield farming model has gradually been replaced by the intensive farming model. Intensive farming has high output and good economic benefits. The direction of development of farming. However, "fish farming first raises water", only by keeping the water body clean can the health of the fish be guaranteed, and the income can be increased while increasing the production. [0003] The existing intensive farming model is usually composed of a breeding pond circulation system, a protein separator, a biological purification tank (5-stage purification structure), etc. The aquaculture water flow in the aquaculture system is first fi...

Claims

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Application Information

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IPC IPC(8): A01K61/51A01K61/59C12N1/20C12R1/125C12R1/01
CPCY02A40/81
Inventor 秦桂祥闫兵兵张琳琳张巧云史磊磊徐逍
Owner 南通龙洋水产有限公司
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