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Shrimp pond net cage combination breeding method

A breeding method and net cage technology, which are applied in fish farming, climate change adaptation, animal feed, etc., can solve the problems of shrinking outdoor shrimp pond farming area, low breeding enthusiasm, and loss of outdoor shrimp pond farming, and achieve the goal of promoting algal growth. The effects of reproduction and growth, increasing economic benefits, and improving water productivity

Active Publication Date: 2018-12-07
JIANGSU OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Farmers are not very enthusiastic about the farming of Penaeus vannamei. Although the indoor factory farming of Litopenaeus vannamei still has a certain scale, the area of ​​outdoor shrimp ponds is shrinking day by day, and a large number of outdoor shrimp ponds are at a loss.
For shrimp diseases, the best way at present is prevention. Biological prevention is better than drug prevention. The society urgently needs a high-yield, high-efficiency, and environmentally-friendly efficient utilization model of shrimp ponds to solve the bottleneck problem of outdoor shrimp pond utilization in the north.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Embodiment 1, a kind of shrimp pond net cage combination cultivation method:

[0046] (1) Renovation of shrimp ponds and placement of cages; the transformation of shrimp ponds and placement of cages is to excavate a 2.5-meter-deep and 8-meter-wide ring ditch in the shrimp pond, and place a 6×6× 3 meters of fixed cages, the bottom of the cage is 10 cm from the bottom of the ditch;

[0047] (2) White prawns with egg-bearing broodstock are put in; the water temperature in the shrimp pond is raised to 13°C in spring, and the water temperature is the surface temperature of the pond, which is measured at 10:00 in the morning, the same below; 0.5~0.6 When the water temperature rises to 17°C, scatter the broodstock shrimp in the shrimp pond, and replace the net clothes at the same time;

[0048] (3) Putting Penaeus monodon seedlings; in spring, the water temperature rises to 17°C, and each cage is put into 1,000 Penaeus monodon seedlings with a tail body length of 1 cm for tem...

Embodiment 2

[0060] Embodiment 2, a kind of net cage combined culture method in shrimp pond:

[0061] (1) Renovation of shrimp ponds and placement of cages; the transformation of shrimp ponds and placement of cages is to excavate a 3.5-meter-deep and 10-meter-wide ring ditch in the shrimp pond, and place a 6×6× 3 meters fixed cage, the bottom of the cage is 20 cm from the bottom of the ditch;

[0062] (2) Putting broodstock of white prawns with eggs; in spring, the water temperature in the shrimp pond is raised to 14°C, and the water temperature is the surface temperature of the pond, which is measured at 10:00 in the morning, the same below; 0.6~0.8 When the water temperature rises to 18°C, scatter the broodstock shrimp in the shrimp pond, and replace the net clothes at the same time;

[0063] (3) Penaeus monodon seedlings are released; in spring, the water temperature rises to 18°C, and 2,000 Penaeus monodon seedlings with a tail body length of 1 to 2 cm are placed in each cage for temp...

Embodiment 3

[0075] Embodiment 3, a kind of shrimp pond net cage combination culture method experiment:

[0076] Experiment time and place: In 2017, in the shrimp pond of the experimental base in Lianyun District.

[0077] experiment procedure:

[0078] On March 2, 55 acres of shrimp ponds were rebuilt, and a ring trench with a depth of 3 meters and a width of 9 meters was excavated in the shrimp pond. A fixed cage of 6×6×3 meters was placed in the trench every 8 meters. The distance between the bottom of the cage The bottom of the ditch is 15 cm;

[0079] On April 12, 2017, 0.5 to 1 catties of broodstock broodstock of white prawns with eggs was placed in each cage, and the water temperature was 13°C. During the temporary breeding period, blue clams were fed and overfeeding;

[0080] On May 31st, when the water temperature was 18°C, the parent shrimps were scattered into the shrimp ponds, and the nets were changed at the same time. 15,000 Penaeus monodon seedlings with a tail length of 1...

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Abstract

The invention relates to a shrimp pond net cage combination breeding method. The method comprises the steps of shrimp pond modification, putting of a net cage, putting of exopalaemon carinicauda berried parent shrimps, putting of young penaeus monodon, putting of young inkfish, putting of stichopus japonicus fry, staged feeding of bait and the like. By means of the protection function of the net cage, exopalaemon carinicauda, penaeus monodon, inkfish and stichopus japonicus are introduced into the same breeding pond, the stability of an ecological system is improved, and the occurrence rate ofdiseases of exopalaemon carinicauda and penaeus monodon is effectively controlled. Meanwhile, a water body is fully utilized, the productivity of the water area is improved, the economic benefit is increased, and the method is suitable for being popularized in northern outdoor shrimp ponds in China.

Description

technical field [0001] The invention relates to a combined culture method of cages in a shrimp pond, in particular to a method for temporarily cultivating brood broodstock of white prawns, Penaeus monodon seedlings, juvenile golden squid and sea cucumber seedlings in a shrimp pond by using a cage in a shrimp pond. Background technique [0002] In our country, the shrimp industry has long been an important pillar industry of the mariculture industry, which has brought very obvious economic and social benefits to our country. However, since 1993, shrimp diseases once brought China's shrimp farming industry into a slump. In the northern part of China, there are more and more aquaculture diseases of Penaeus prawn and Litopenaeus vannamei, the size of commercial shrimp is too small, and the pollution of aquaculture is becoming more and more serious. Farmers are not very enthusiastic about the cultivation of Chinese prawns. Although the indoor factory farming of Litopenaeus vanna...

Claims

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Application Information

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IPC IPC(8): A01K61/59A01K61/00A01K61/30A23K50/80A23K10/22A23K20/158A23K20/174A23K10/12A23K10/37A23K20/20A23K10/30A23K20/111A23K10/26A23K20/26A23K20/163
CPCA01K61/00A23K10/12A23K10/22A23K10/26A23K10/30A23K10/37A23K20/111A23K20/158A23K20/163A23K20/174A23K20/20A23K20/26A23K50/80A01K61/30A01K61/59Y02P60/87Y02A40/81Y02A40/818
Inventor 王兴强崔春辉曹梅陈百尧伏光辉孙苗苗
Owner JIANGSU OCEAN UNIV
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