Method for lowering turbot pedigree fry ascites disease morbidity and mortality
A technology for ascites disease and turbot, which is applied in the field of cultivation for effectively reducing the incidence and mortality of ascites in turbot family seedlings, can solve the problems of decreased disease resistance, strong infectivity, and high disease mortality.
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[0056] In 2016, the embodiment of the present invention was carried out in the sea treasures breeding farm of Huanghai Seafood Co., Ltd., Haiyang City, Shandong Province, comprising the following steps:
[0057] A method for reducing the morbidity and mortality of ascites disease in turbot family fry, comprising the following steps:
[0058] (1) Breeding of broodstock:
[0059] The broodstock is placed in the broodstock pond for temporary cultivation. The ratio of male and female broodstock is 1:1, and the breeding density of broodstock is 4-6 kg per square meter or 3-4 tails; during the breeding period of broodstock, the light intensity is 500-1000LX, and the light time is 8h. , The water temperature is 17-19 ℃, fresh and high-quality trash fish are fed twice a day, and the water is changed after feeding; after cultivating for 3 years, the broodstock are transferred to the cultivation pool for maturation-promoting cultivation;
[0060] The broodstock are 180 broodstocks of t...
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