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Virus-disease-preventing breeding method of penaeus vannamei

A culture method and technology of Penaeus vannamei, applied in fish farming, climate change adaptation, animal feed, etc., can solve problems affecting the quality of Penaeus vannamei, abuse of antibiotics, and affecting breeding benefits, and achieve prevention of shrimp viral diseases, The effect of preventing viral diseases and improving breeding efficiency

Inactive Publication Date: 2020-03-24
澧县华润水产生物科技有限公司
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AI Technical Summary

Problems solved by technology

[0003] With the rapid development of high-density intensive culture of Penaeus vannamei, the high incidence of viral and bacterial diseases of shrimp leads to low survival rate of shrimp seedlings, small size of finished shrimp and large individual differences, poor quality and low yield; in order to reduce shrimp diseases The morbidity has also appeared the problem of antibiotic drug abuse, leading to the serious phenomenon of chemical drug residues such as antibiotics in the cultured Penaeus vannamei, which affects the quality of Penaeus vannamei, and then affects its breeding benefits

Method used

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Examples

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Effect test

preparation example 1

[0029] Preparation Example 1 Penaeus vannamei Microbial Fermentation Feed

[0030] The microbial fermented feed of Penaeus vannamei is composed of complex bacterial biofilm with a mass ratio of 0.5:0.1:10, Chinese herbal medicine extract and basic feed, and then add 0.5-1% sodium alginate solution to mix evenly and put it into a sealed container Indoor, sealed and fermented at room temperature, the fermentation is completed when the temperature in the center of the sealed container rises to 45-48°C, and then compound trace elements are added and mixed.

[0031] The preparation method of the composite bacteria biofilm is as follows: inoculate the composite bacteria composed of 25% of Bacillus subtilis, 30% of Bacillus amyloliquefaciens, 25% of Rhodopseudomonas palustris and 20% of Candida into the liquid Cultivate in the culture medium, take 200ml of culture solution and spread it on the solid medium for further culture; scrape the culture on the surface of the solid medium, re...

preparation example 2

[0034] Preparation Example 2 Penaeus vannamei Microbial Fermentation Feed

[0035] The microbial fermented feed of Penaeus vannamei is mixed with complex bacterial biofilm, Chinese herbal medicine extract and basic feed with a mass ratio of 1.5:0.5:10, then added 0.5-1% sodium alginate solution, mixed evenly, and packed into a sealed container Indoor, sealed and fermented at room temperature, the fermentation is completed when the temperature in the center of the sealed container rises to 45-48°C, and then compound trace elements are added and mixed.

[0036] The preparation method of the composite bacteria biofilm is: inoculate the composite bacteria composed of 35% of Bacillus subtilis, 35% of Bacillus amyloliquefaciens, 15% of Rhodopseudomonas palustris and 15% of Candida by mass percentage into the liquid Cultivate in the culture medium, take 200ml of culture solution and spread it on the solid medium for further culture; scrape the culture on the surface of the solid medi...

preparation example 3

[0039] Preparation Example 3 Microbial Fermentation Feed for Penaeus vannamei

[0040] The microbial fermented feed of Penaeus vannamei is mixed with complex bacterial biofilm, Chinese herbal medicine extract and basic feed with a mass ratio of 1.0:0.3:10, then added 0.5-1% sodium alginate solution, mixed evenly, and packed into a sealed container Indoor, sealed and fermented at room temperature, the fermentation is completed when the temperature in the center of the sealed container rises to 45-48°C, and then compound trace elements are added and mixed.

[0041] The preparation method of the composite bacteria biofilm is: inoculate the composite bacteria composed of 45% of Bacillus subtilis, 40% of Bacillus amyloliquefaciens, 10% of Rhodopseudomonas palustris and 5% of Candida by mass percentage into the liquid Cultivate in the culture medium, take 200ml of culture solution and spread it on the solid medium for further culture; scrape the culture on the surface of the solid m...

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Abstract

The invention belongs to the technical field of aquaculture, and particularly relates to a virus-disease-preventing breeding method of penaeus vannamei. The virus-disease-preventing breeding method ofpenaeus vannamei comprises the following steps: (1) clearing a pond; (2) injecting water into the pond, and conducting disinfection; (3) conducting nutrient and water management; (4) putting penaeusvannamei seeds; (5) conducting feed management; (6) controlling the water quality; and (7) conducting daily management. According to the virus-disease-preventing breeding method of penaeus vannamei, in a penaeus vannamei breeding process, Chinese herbal medicine extraction liquid is adopted for clearing the pond, and is sprayed into pond water in batches, meanwhile, penaeus vannamei is fed with microbial fermented feed which contains compound microbial films, Chinese herbal medicine extracts and compound micro elements, the biological films, prepared from multiple kinds of microorganisms, contained in the feed become a dominant community in a breeding pond water body ecosystem, growth of pathogenic bacteria is inhibited, the incidence of bacterial diseases of penaeus vannamei is greatly reduced, by turning on an aerator, mass proliferation of vibrios is inhibited, by combining the aerator and the Chinese herbal medicine extraction liquid applied into the pond water, diseases of penaeusvannamei can be significantly prevented, and fast healthy growth of penaeus vannamei is promoted.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a poison-proof cultivation method of Penaeus vannamei. Background technique [0002] Penaeus vannamei, also known as Litopenaeus vannamei, belongs to Arthropoda, Crustacea, Decapoda, Natantia, Penaeidae, Penaeus, Litopenaeus The subgenus is native to the Pacific Ocean coastal waters from northern Peru to Sanora, Mexico, and was introduced into my country for breeding in 1988. Due to its rapid growth, strong stress resistance, high nutritional value, high-density and low-salinity farming and other advantages, it quickly became the absolute dominant species of prawns in my country after being introduced. [0003] With the rapid development of high-density intensive culture of Penaeus vannamei, the high incidence of viral and bacterial diseases of shrimp leads to low survival rate of shrimp seedlings, small size of finished shrimp and large individual differences, po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/59A23K50/80A23K10/12A23K10/30A23K20/20A23K20/163
CPCA01K61/59A23K10/12A23K10/30A23K20/163A23K20/30A23K50/80Y02A40/81Y02A40/818
Inventor 罗德军罗旋
Owner 澧县华润水产生物科技有限公司
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