On breed, he recorded kind of cognation of hare seriously, prevent inbreeding, make kitten leads kind of hare, young hare survival rate all achieves 97 % above.
英
美
释义
繁育上,他认真记录了种兔的亲族,防止近亲交配,使种兔产仔率,仔兔成活率均达到97%25以上。
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