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关注：1
2013-05-23 12:21
求翻译：the rearing of healthy pullets that reach their mature body weight at the breeder's target time is a challenge, which is made even more difficult by genetic selection which has not advanced the age of sexual maturity.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
the rearing of healthy pullets that reach their mature body weight at the breeder's target time is a challenge, which is made even more difficult by genetic selection which has not advanced the age of sexual maturity.
问题补充： |
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2013-05-23 12:21:38
，在饲养员的目标时间达到成熟体重healthhy母鸡的饲养是一个挑战，这是由遗传选择已不先进的性成熟年龄更难做。
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2013-05-23 12:23:18
到达的抚养healthhy小母鸡他们的在交配动物者的目标时间的成熟体重是挑战，由基因选择使更加困难未推进性成熟的年龄。
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2013-05-23 12:24:58
到达的抚养healthhy小母鸡他们的成熟体重在交配动物者的目标时间是挑战，由基因选择使更加困难未推进性成熟的年龄。
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2013-05-23 12:26:38
在饲养员的目标时间到达其成熟的身体重量的 healthhy 蛋鸡的饲养是一个挑战，由遗传选择它不拥有先进的性成熟年龄甚至更加困难。
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2013-05-23 12:28:18
正在翻译，请等待...
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