中国瘦肉猪新品系D Ⅶ系(新太湖猪)产仔数的选择方法及效果分析  

STUDIES ON LITTER SIZE SELECTION METHOD AND EFFECT OF NEW STAIN DⅦ (NEW TAIHU PIG) IN CHINA

作　　者：朱南生 华金弟 谢建新[1] 李雪元 陈玉琴 

机构地区：[1]苏州市太湖猪育种中心

出　　处：《江苏农学院学报》1998年第4期67-70,共4页Jiangsu Agricultural Research

摘　　要：通过组建具有高繁殖性能的亲本群、采用有效的选择方法以及高强度的留种率，对中国瘦肉型猪新品系（新太湖猪）进行了５个世代的产仔数选择。结果显示：产仔数头胎母猪在１１头以上，经产母猪在１４头以上，基本保持了太湖猪的高繁殖性能特点，选择群体的近交系数从０％上升到１０．９％，对产仔数未产生明显的影响。DⅦ stain parent population (New Taihu pig) with reproductive trait were selected in litter size for 5 generatives by efficient selection method and high intensive percentage of pigs used for breeding, the results showed that selected New Taihu pigs kept high reproductive trait, average litter size over 11 in first litter sow, and over 14 in piggy sow, breeding coefficient changed from 0% to 10.9%, but high breeding coefficient have not effect negatively for litter size.

关 键 词：猪 新品系 产仔数 选择 繁殖 

分 类 号：S828.3[农业科学—畜牧学]