Manual intervention method for giant salamander reproduction
An artificial intervention, giant salamander technology, applied in fish farming, application, climate change adaptation and other directions, can solve the problems of low artificial reproduction success rate, reproductive difficulty, slow growth rate and other problems of giant salamander, and achieve the effect of improving the artificial reproduction success rate.
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[0013] It usually takes 5-6 years for giant salamanders to reach sexual maturity in the wild, but it takes a little later in artificial breeding. It takes 7-8 years for artificial insemination. In the wild environment in the south, estrus usually occurs from August to October, while in the north, fertilization must be completed before September to ensure the success rate of artificial fertilization and hatching of giant salamanders.
[0014] The present invention adopts four steps of egg pulling, semen collection, insemination, and hatching for manual intervention. In September, firstly, the female giant salamanders that have been artificially cultivated for 8 years are observed to have egg belts, and the giant salamanders are gently picked up. One person covers the head of the giant salamander with a damp cloth, puts the giant salamander on a table or a larger basin with its belly up, and gently stabilizes the head of the giant salamander; the other person holds the tail of th...
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