In fact, the best method to prevent the shrimp from disease is to protecting the liver and hepatopancreas. And the best time is from shrimp seedlings. Bile acids can be added for feeding at the beginning of the culture because shrimp have no gallbladder and bile secretion, they cannot provide endogenous bile acids. Therefore, the addition of bile acids to shrimp feed can effectively promote the growth of shrimp. In addition, bile acids also improve anti-stress ability, which can improve survival rate, reduce morbidity, and ensure the health of the shrimp body.
Prawns have particularly high requirements for dissolved oxygen during the shelling stage, so sufficient dissolved oxygen must be ensured to prevent death from hypoxia. Choose nutritional and scientifically formulated feed. Add bile acids in the feed to enhance shrimp pancreas functions, improve shrimp immunity to ensure high survival rate during the shelling stage.
Bile acids can enhance the non-specific immune function of the liver, increase the number of R cells in the hepatopancreas, thereby improving the antioxidant capacity of the crayfish body, coping with stress caused by bad environment or weather, greatly enhance the immunity and resistance of crayfish.
In conclusion, the use of bile acids in crayfish breeding can protect the health of the hepatopancreas, make the hepatopancreas full and bright, enhance the body of crayfish, improve the survival rate of crayfish, at the same time, improve the antioxidant capacity of crayfish, reduce the incidence of disease, and ensure the benefits of breeding.
The use of bile acids during hepatopancreas-transferring period can promote the regeneration of hepatopancreas cells and hepatic lobules, promote hepatopancreas development, enhance hepatopancreas function, and promote hepatopancreas detoxification so bile acids can help vannamei to successfully pass the hepatopancreas-transferring period. In addition, bile acids can also improve anti-stress ability to get higher survival rate, reduce the incidence rate, and ensure the health of the vannamei.
In order to help shrimp successfully pass the liver transferring period, we can feed Longchang bile acids after the shrimp begin to eat shrimp feed. Bile acids can promote the fat digestion and absorption and help shrimp for energy storage for better growth. At the same time, bile acids can also promote detoxification of the hepatopancreas to avoid toxic substances from damaging the shrimp and improve shrimp seed survival rate.
Nowadays, there are various drugs for the shrimp and liver-protecting on the market, mainly including Chinese medicines for anti-heat and detoxification, multi-vitamins for strengthening nutrition, bile acids for liver- protecting and detoxification, and peptides and bacterial preparations. Base on comprehensive comparison, only bile acid can fundamentally protect the liver and pancreas of shrimp, promote liver and pancreas detoxification and detoxification, prevent hepatopancreatic lesions and necrosis, and improve the survival rate of shrimp.
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