杜洛克的体况在产仔时更容易掉膘。
Duroc are more likely to be over conditioned at farrowing time.
对母猪的平均窝产仔情况有所改善。
The proteinates improve the productive performance of multiparous sows.
有些动物关在笼内就不产仔。
他们是通过下蛋，还是产仔来繁殖后代的呢？
不同年份同一东北虎个体产仔行为无明显差异。
C There was no obvious difference in the behaviour of the same kittening Amur tiger between different years.
产卵或产仔的个体。
不过小母牛，特别是还没有产仔的小母牛，有个专门的名字。
But a young female cow, especially one that has not had a calf yet, has a special name.
为了获得一个好的产仔指数，它的基本拿起任何回报的服务。
In order to obtain a good farrowing index, it's essential to pick up any returns to service.
大象孕期长达两年，预计Panang将在十一或十二月产仔。
Elephants' pregnancy lasts for two years and Panang is expected to give birth in November or December.
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.
表明胎次、产仔月份、背膘厚度对母猪繁殖性能有较大影响。
The study showed that parity, birth month, backfat thickness had significant effect on reproductive performance of sows.
而现在已经有了很好的设备来支持现代品种增加的窝产仔数量。
And there is equipment available now to sustain the increased litter sizes modern genetics are affording us.
研究显示较长的产仔进程同时减少的初乳质量最后的仔猪出生的铅。
Research has shown that longer farrowing processes also lead to decreased colostrum quality for the last piglets born.
结果：处理的8只雄性树鼩中，6只具有生育能力，产仔树鼩11只。
Result: 6 of the 8 treated male tree shrews showed the generational ability, and 11 baby tree shrews were born.
这些动物和以前的任何生物形式都不同，因为它们产仔并用奶水喂养它们。
These animals were different from all life forms in the past, because they gave birth to young baby animals and produced milk to feed them.
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.
遇到失败绝不要一走了之，相反的，为其隐藏的资产仔细并有想像力的研究。
Never walk away from failure. On the contrary, study it carefully and imaginatively for its hidden assets.
不同年份雌性成年东北虎的站立、躺 卧、梳理等 产仔行为也具有显著差异。
There were also significant differences in standing, lying, and grooming behaviors of female Amur tigers in different years.
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.
本研究的主要目的：1）比较产仔限位栏与分娩圈栏系统对母猪行为活动的影响；
Objects of this study are: 1)to compare the effect on behaviour activities of sows in crate and in pen;
它揭示了，海龟从一个受保护的筑巢地孵化出来，到返回该处产仔，需要多长时间。
It reveals how long it takes for turtles hatched at a protected nesting site to return to that site to breed.
另一种可能是，这种这种发生在产仔之后的“神经修剪”，实际上对于空间学习有好处。
It is also possible that the "nerve pruning" that takes place during motherhood actually benefits spatial learning, she speculates.
猪细小病毒感染的主要症状是产仔少，产不同大小的木乃伊胎，假孕和空怀母猪数量的增多。
The major signs are therefore small litter sizes, mummified pigs of different sizes, and increases in pseudo-pregnancies and not-in-pigs.
据1988、1990和1992年有全年婴猴出生日期的记录，计算出平均产仔日期在4月2日。
Mean birth date was April 2 ac-cording to the records of birth in 1988, 1990 and 1992.
例如，芬兰羊，长久以来只有一小部分芬兰农民在喂养，现在对养羊业已是极为重要，因为它们具备产仔大的能力。
Finnsheep, for example, long raised only by a small group of Finnish peasants, have become vital to the sheep industry because of their ability to produce large litters.
通过固定效应值估计发现，对死胎和木乃伊的影响从小到大依次为品种、胎次、配种月份和产仔月份。
The results show that estimates the value of the fixed effects of stillbirth and mummies were from larger than large is species, parity, birth month and month of breeding.
本实验选取32头产仔母猪，随机分成4组，以研究几种中草药处方预防仔猪腹泻及对仔猪生长的影响。
In this experiment, 32 farrowing sows were selected and randomly divided into 4 groups in order to study the prevention effect and influence of some Chinese medicinal herbs on piglets' diarrhea.
在猪的高繁殖力特性研究中证实，雌激素受体（ESR）基因是可影响产仔数1～1.5头的主效基因。
Some researches about high reproductive traits of pigs had been confirmed that the estrogen receptor gene(ESR)was the main gene affecting the litter size trait, which could decide1~1.5piglets.
在猪的高繁殖力特性研究中证实，雌激素受体（ESR）基因是可影响产仔数1～1.5头的主效基因。
Some researches about high reproductive traits of pigs had been confirmed that the estrogen receptor gene(ESR)was the main gene affecting the litter size trait, which could decide1~1.5piglets.
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