Culture method for good-quality and high-yield catfish
A breeding method and catfish technology, which is applied in the field of high-quality and high-yield catfish breeding, can solve the problems of the overall output and quality of catfish, the unfavorable development of the catfish industry, and improper connection and coordination, so as to improve the stress resistance ability and growth vitality, Effects of increasing hatching rate and hatching speed, increasing growth speed and quality
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[0041] A method for cultivating high-quality and high-yield catfish, comprising the steps of:
[0042] (1) Oxygenation of fertilized eggs:
[0043] A. Fish pond construction: Build three fish ponds, namely the male fish pond, the female fish pond and the spawning fish pond. The side walls and bottom of the three fish ponds are equipped with LED green lights. The water depth is 90~110cm, the water temperature is 18~20℃, the dissolved oxygen is 5~10mg / L, and the pH value is 6.5~7.5. The water depth of the spawning fish pond is 50~70cm, the water temperature is 23~26℃, the dissolved oxygen The dosage is 8~12mg / L, the pH value is 6.5~7.5, and there is a fish nest made of palm skin at the bottom;
[0044] B. Breeding of broodstock: Select physically strong, disease-free, and well-maturity broodstock. The body weight of the female broodstock is greater than 1.2kg, and the body weight of the male broodstock is greater than 0.8kg. Add additives in water at an amount of 15g / L;
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