Method for quickly establishing cross-bred XY holandric pelteobagrus fulvidraco
A technology of all male yellow catfish and yellow catfish, applied in the breeding field of hybrid yellow catfish, can solve the problems of small size, slow growth speed, unstable genetic traits and other problems of all male yellow catfish, and achieve good breeding and economic benefits, The effect of fast growth and shortened breeding cycle
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[0021] The present invention will be further described below in conjunction with specific examples, so that those skilled in the art can better understand the present invention and implement it, but the given examples are not intended to limit the present invention.
[0022] The establishment method of the hybrid XY♂ whole male yellow catfish of the present embodiment specifically comprises the following three steps:
[0023] 1. Obtaining parents of YY♀ physiological female fish
[0024] Select physiological female fish of yellow catfish YY♀ and male fish of yellow catfish XY♂ with no injury on the body surface, large individual and sexual maturity, and carry out artificial induction and insemination with existing conventional methods, and all the F1 generations obtained are male fish ( 50% miscellaneous XY♂ and 50% miscellaneous YY♂). Take some hybrid F1 fry, and after the fry open their mouths to eat, use estrogen to artificially reverse sex. The method is to use Artemia la...
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