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;
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)。
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。
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