On parturition day and the 28~(th) day, backfat thickness, body weight of lactation sows were recorded respectively.

在分娩当天、第28天分别记录母猪背膘厚和体重；

youdao

There were no significant differences in dressing rate, lean percentage, backfat thickness, eye muscle thickness and collagen content regardless of MgAsp supplementation or not(P>0.05).

但对猪的屠宰率、瘦肉率、背膘厚、眼肌厚度和肌肉中胶原蛋白含量等无显著影响（P>0.05）。

youdao

The study showed that parity, birth month, backfat thickness had significant effect on reproductive performance of sows.

表明胎次、产仔月份、背膘厚度对母猪繁殖性能有较大影响。

youdao