Method for culturing full-male cross pelteobagrus fulvidraco
A cultivation method and technology for yellow catfish, applied in the field of aquatic animal genetics and breeding, can solve problems such as unstable seed quality and specification differentiation, and achieve the effects of reducing the risk of damage, stable seed quality, and good economic benefits.
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[0053] 1. Induction of Pseudo-female Population of Pelvis valscheri in the Pearl River System
[0054] During the breeding season, the parents of normal-sexed pelagic catfish were artificially induced to induce labor. The dose of induced labor was the first injection of LHRH-A2 3μg / Kg for the female parent, and the second injection of LHRH-A2 10μg / Kg+DOM 5mg / Kg+HCG 1300IU / 12 hours later. Kg, the male fish is injected with oxytocic agent when the female fish is given the second injection, the dose is 1 / 3-1 / 2 of the female fish; when the water temperature is 25°C-30°C, the effect time is generally 10 hours-16 hours. The fry were fed Artemia in the first few days after hatching, and started feeding bait with 30ppm estradiol or diethylstilbestrol on the 7th day after hatching. After 30-45 days of continuous feeding, the hormone feeding was stopped, and they were transferred to a special pond for normal feeding. Breeding, when the fry grow to 10cm-15cm, carry out gonad staining an...
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