摘要
通过对丹系长白猪繁殖性状的统计分析 ,比较各相关指数 ,找出性状间相关程度 ,对初生窝仔猪数、2 0日龄窝重及断奶窝仔猪数求出相应选择指数 ,为猪育种工作提供依据。
The author analyzes the statistics of the reproductive traits and finds out the relationship among the traits and finds out the relationship among the traits by comparing the correlation coefficients. The selection indexe of three traits, i.e.Litter size at birth, litter werght at 20 days and litter size at weaning, are obtained as the theoretic basis for swine breading.
出处
《畜牧兽医杂志》
2001年第6期7-9,共3页
Journal of Animal Science and Veterinary Medicine
关键词
繁殖性状
表型参数
选择指数
丹系长白猪
相关性
reproductive traits correlation coefficient phenothpic parameters Danish Landrace
