Scientists examined several breeds and say the cattle genome appears to show evidence of this selective reproduction.
科学家们研究过一些品种后表示牛的基因组显示出这种有选择性繁殖的迹象。
Angus cattle is a famous beef cattle. In order to improve its reproduction performance, some Angus cattles (2-3 years old) were treated with FSH in the experiment.
安格斯牛是一种著名的肉用牛品种，为了提高其繁殖效率，本试验采用FSH处理青年母安格斯牛。
Angus cattle is a famous beef cattle. In order to improve its reproduction performance, some Angus cattles (2-3 years old) were treated with FSH in the experiment.
安格斯牛是一种著名的肉用牛品种，为了提高其繁殖效率，本试验采用FSH处理青年母安格斯牛。
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