下面的表格是每年平均产活仔数。
总产仔数、产活仔数与断奶个体重呈负相关。
The correlation are negative among total litter size, alive litter size, and body weight of piglets at weaning.
母猪年龄是影响多产性的一个重要因素，初产的总产仔数和产活仔数均低于经产胎次。
Age is one important factor influencing of prolificacy, the TNB of first born is less than the TNB of the still-born, so does in the NBA.
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.
哺乳期的日粮组成及妊娠期的饲喂水平对下一胎产活仔、死胎数均没有影响。
The number of live born and stillborn piglets was not affected by feed composition during lactation or by feeding level during gestation.
哺乳期的日粮组成及妊娠期的饲喂水平对下一胎产活仔、死胎数均没有影响。
The number of live born and stillborn piglets was not affected by feed composition during lactation or by feeding level during gestation.
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