摘要母猪分娩是养猪生产中非常重要的环节之一，产程不仅影响窝产活仔数，而且还影响仔猪出生后成活率。
Abstract: farrowing is one of the most important part in the pig industry, the duration of farrowing influences the number of live birth as well as piglets survival rate.
摘要：母猪分娩是养猪生产中非常重要的环节之一，产程不仅影响窝产活仔数，而且还影响仔猪出生后成活率。
Abstract: farrowing is one of the most important part in the pig industry, the duration of farrowing influences the number of live birth as well as piglets survival rate.
在分娩当天、第28天分别记录母猪背膘厚和体重；
On parturition day and the 28~(th) day, backfat thickness, body weight of lactation sows were recorded respectively.
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;
冬季分娩的母猪具有最高的NSB ，秋季最低；
The sows farrowed in winter had the highest NSB and the lowest PBA;
母猪经常发生便秘，是因为它们在分娩后的前几天没有获得足够的饲料。
Often sows are constipated because they are not given enough feed during the first few days after farrowing.
母猪经常发生便秘，是因为它们在分娩后的前几天没有获得足够的饲料。
Often sows are constipated because they are not given enough feed during the first few days after farrowing.
应用推荐