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Grouper breeding heat stress resisting method

An anti-heat stress, grouper technology, applied in application, fish farming, climate change adaptation, etc., can solve the problems of hemolysis, deterioration of cell metabolism, destruction of cell biofilm structure, membrane lipid peroxidation, etc. Achieve the effect of improving the immune function of fish, maintaining blood stability, and inhibiting secretion

Active Publication Date: 2020-02-18
HAINAN CHENHAI AQUATIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because of its rapid growth and delicious meat, it is welcomed by farmers and consumers, and the influence of temperature in the breeding process causes the fish body to regulate the activity of its own metabolic enzymes, but when the stress exceeds the self-regulation range, the body produces Excessive active oxygen free radicals, and these free radicals have a damaging effect on the body, causing damage to normal cells and tissues, causing muscle degeneration, triggering membrane lipid peroxidation, hemolysis and deterioration of cell metabolism, and ultimately destroying cell biology membrane structure

Method used

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  • Grouper breeding heat stress resisting method
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  • Grouper breeding heat stress resisting method

Examples

Experimental program
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Effect test

Embodiment 1

[0019] A kind of grouper culture anti-heat stress method: comprises the following steps:

[0020] S1. Gradient anti-stress acclimation: one-stage acclimatization: during the cultivation period, the light is 300 Lux, the temperature of the pond water is controlled at 12°C, the pH value of the aquaculture water is controlled at 6.2, and the water pressure is 0.02 MPa for 1 min, and the cultivation is carried out for 5 days. The second-stage acclimatization: the light is 600Lux, water temperature 19°C, control the pH value of the breeding water to 7.3, wash with a water pressure of 0.05MPa for 2 minutes, cultivate for 10 days, and domesticate in three stages: the light is 900Lux, the water temperature is 23°C, control the pH value of the culture water to 8.3, and wash with a water pressure of 0.07MPa 4min, cultivated for 15 days;

[0021] S2. Hunger acclimatization: During the breeding period, the anti-stress agent was fed, and the daily feeding amount was 1.8% of the fish weight...

Embodiment 2

[0027] A kind of grouper culture anti-heat stress method: comprises the following steps:

[0028] S1. Gradient anti-stress acclimatization: first-stage acclimatization: the light during the cultivation period is 500 Lux, the temperature of the pond water is controlled at 18°C, the pH value of the aquaculture water is controlled at 7.2, and the water pressure is 0.05MPa for 3 minutes, and the cultivation is for 5 days. The second-stage acclimatization: the light is 800Lux, water temperature 22°C, control the pH value of the breeding water to 8.2, water pressure 0.07MPa to wash for 4 minutes, cultivate for 10 days, three stages of domestication: light to 1000Lux, water temperature 25°C, control the pH value of the culture water to 8.5, water pressure 0.10MPa to wash 6min, cultivated for 15 days;

[0029] S2. Hunger acclimation: During the breeding period, the anti-stress agent was fed, and the daily feeding amount was 2.4% of the fish weight, and it was fed twice a day. After fe...

Embodiment 3

[0035] A kind of grouper culture anti-heat stress method: comprises the following steps:

[0036]S1. Gradient anti-stress acclimation: one-stage acclimatization: during the cultivation period, the light is 400 Lux, the temperature of the pond water is controlled at 15°C, the pH value of the culture water is controlled at 6.7, and the water pressure is 0.03MPa for 2 minutes, and the cultivation is carried out for 5 days. The second stage of acclimatization: the light is 700Lux, water temperature 20°C, control the pH value of the breeding water to 7.6, water pressure 0.06MPa to wash for 3 minutes, cultivate for 10 days, three stages of acclimatization: the light is 950Lux, water temperature is 24°C, control the pH value of the culture water to 8.4, water pressure 0.08MPa to wash 5min, cultivated for 15 days;

[0037] S2. Hunger acclimation: During the breeding period, the anti-stress agent was fed, and the daily feeding amount was 2.1% of the fish weight, and it was fed twice a ...

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Abstract

The invention provides a grouper breeding heat stress resisting method. The method includes following steps of gradient stress resisting domestication, hungry domestication and preparation of an anti-stress agent. After groupers go through anti-stress treatment by the method, live oxidation stress resistance of heat stress resisting of the groupers is enhanced; by improving oxidation resistance ofbodies, oxidization stress of the bodies is reduced, environment adaptability of fishes is improved, and physique of the fishes is improved; the anti-stress agent prepared by the method can improve fish immunity, maintain blood balance and relieve autoimmunity generated by the fishes in a heat stress state.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to a method for resisting heat stress in grouper culture. Background technique [0002] Grouper is the general term for fish in the grouper subfamily (Epinephelinae), which belongs to Osteichthyes, Neopterygii, Acanthopterygii, Perciformes, perch Suborder (Percoidei), Serranidae (Serranidae), are large and medium-sized marine fishes in warm water, widely distributed in tropical and subtropical seas, and mainly distributed in Taiwan Strait and South China Sea in my country. Because of its rapid growth and delicious meat, it is welcomed by farmers and consumers, and the influence of temperature in the breeding process causes the fish body to regulate the activity of its own metabolic enzymes, but when the stress exceeds the self-regulation range, the body produces Excessive active oxygen free radicals, and these free radicals have a damaging effect on the body, causing damage to normal cell...

Claims

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Application Information

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IPC IPC(8): A01K61/10A23K50/80A23K20/174A23K20/147A23K20/158A23K10/20A23K10/30A23K40/10
CPCA23K10/20A23K10/30A23K20/147A23K20/158A23K20/174A23K40/10A23K50/80A01K61/10Y02A40/81
Inventor 蔡建顺蔡春有蔡有森黄春仁李伟蔡四川蔡金泉蔡惠明张国庆蔡智怀王景宝罗磊蔡艺新李伟峰刘赐福陈艺斌吴光灿陈猛猛
Owner HAINAN CHENHAI AQUATIC CO LTD
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