Method for adjusting breeding cycle of schizothorax waltoni regan
A schizothorax and female technology, applied in the field of aquaculture, can solve the problems of sharp decline in Lhasa schizothorax population, slow growth, environmental pollution, etc., and achieve the effect of improving reproduction speed and breeding efficiency.
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[0046] A method for adjusting the reproductive cycle of Lhasa Schizothorax, comprising the steps:
[0047] (1) The female parent fish is selected more than 11 years old, the body weight is 750-900g, and the female Lhasa Schizothorax is 42-55cm in length. The male broodstock is more than 10 years old, with a body weight of 550-900g and a body length of 30-55cm, and the female broodstock and male broodstock are placed in a water temperature of 12-15°C and dissolved oxygen. Cultivate separately in an environment greater than or equal to 6.0mg / L;
[0048] (2) During the described cultivation process, feed the induced labor feed to the female broodstock and the male broodstock respectively for 60 days to promote the maturation of gonads;
[0049] (3) The female broodstock is mixed with the male broodstock, and the oxytocin hormone is injected respectively, and the eggs and sperm that flow out are fertilized by dry insemination;
[0050] (4) After the fish eggs absorb water and ex...
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