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关注：1
2013-05-23 12:21
求翻译：Important advances to some of the economically important characters in several species of livestock has been achieved based on phenotypic performance, however, several limitations of these methods of improvement based on population genetics alone are becoming evident with time. Their efficiency decreases when the chara是什么意思？ 待解决
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Important advances to some of the economically important characters in several species of livestock has been achieved based on phenotypic performance, however, several limitations of these methods of improvement based on population genetics alone are becoming evident with time. Their efficiency decreases when the chara
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2013-05-23 12:21:38
牲畜数种经济的一些重要人物的重要进展已经取得了基于表型性能，但随着时间的推移，几个这些单靠群体遗传学基础上的改进方法的局限性日益明显。他们的效率降低的特点是难以衡量的，或有一个低的遗传。此外，选择一般仅限于那些可以适当地在大量动物特性。表达的一些特点，如成活率在生命的后期，作为有用的选择标准。同时，种群内的传统选择没有非常有效的选择目标时涉及的几个特点，不利的遗传相关性，例如，牛奶产量和牛奶蛋白质含量（什未林等，1995）。
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2013-05-23 12:23:18
正在翻译，请等待...
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2013-05-23 12:24:58
Important advances to some of the economically important characters in several species of livestock has been achieved based on phenotypic performance, however, several limitations of these methods of improvement based on population genetics alone are becoming evident with time. Their efficiency decr
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2013-05-23 12:26:38
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2013-05-23 12:28:18
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