Limanda aspera offspring seed cultivating and breeding method
A breeding method and technology for yellow-capped flounder, which can be applied in fish farming, application, climate change adaptation, etc., and can solve problems such as high price
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[0028] 1. Source of broodstock
[0029] Select healthy and sexually mature yellow-gai flounder as broodstock, and put them into broodstock breeding ponds for intensive cultivation according to the ratio of male and female numbers ♀:♂=(50-80):1;
[0030] The healthy and sexually mature yellow-covered flounder refers to domesticated and bred flounder with a female fish over 3 years old, a male fish over 2 years old, and a body weight of 1.5kg to 2.5kg. Yellow cover flounder without injury or deformity;
[0031] 2. Breeding of broodstock
[0032] Use natural seawater to cultivate broodstock in open circulating water. The daily exchange volume of running water is 4-6 full volume, the water depth is more than 1m, and the breeding density of broodstock is 3-5 fish / m 2 ;Light intensity 500-800lux, water temperature 10-20℃, salinity 29-32‰, pH value 7.6-8.6, dissolved oxygen greater than 5mg / L, ammonia nitrogen less than 0.2mg / L, total number of bacteria less than 5 / mL, oil less tha...
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