养兔(业)
The last male purebred Columbia Basin pygmy rabbit has died, leaving just two females in a captive breeding program created to try to save the endangered species from extinction.
世界上最后一只雄性的纯种哥伦比亚盆地侏儒兔最近不幸死亡。
Male healthy NZW rabbits were selected and divided into 4 groups with the method of random sampling: standard rabbit small particles breeding group ( SC group);
实验选用健康雄性新西兰大白兔。采用随机抽签法分为4组标准兔小颗粒饲养(SC)组;
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