Nutrition levels of sows during gestation, influenced litter size.
2．母猪妊娠期营养水平显著影响产仔数。
参考来源 - 妊娠期营养水平对初产母猪繁殖性能影响的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
我认为丹育公司会继续在不考虑道德层面的前提下关注产仔数。
I think DanAvl continues to focus on litter size without taking the ethical side into account.
猪胚胎死亡直接影响着母猪的产仔数，并进而影响着养猪生产的经济效益。
Pig embryonic death lowers the litter size of female pig, and further the economical benefits of pig production.
联合尺度检验法的结果表明：猪总产仔数和活产仔数的群体平均值分别为12 。
The results of joint scaling test showed that the population means for the total number born and the number born alive were 12.
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