戴云山羊新品系选育初报

Breeding of A New Line of Daiyun Goat

系统研究经连续4个世代选育的戴云山羊新品系的生产性能，结果表明：戴云山羊新品系比零世代群体的体重提高幅度为2.26％～14.06％，胸围提高幅度为1.39％～4.20％，体高、体长、胸宽、胸深提高效果不明显；各世代配种率、受胎率均在90％以上；头胎产羔数在1.32～1.48头、经产产羔数在1.89～2.12头。

Productivity of a new Daiyun Goat Strain which consecutively breeded by four generations were researched .Comparing with the generation Zero ,the new Daiyun Goat Strain weight has increased from 2.26% to 14.06% ,and the chest girth incretion was 1.39% -4.20% ,while height at withers ,body length ,chest width and chest depth have not increased significantly . The breeding rate and conception rate of each generation were all above 90% ;and the lambing number of the first-born in each generation were between 1.32 -1.48 ,which of the later-born in each generations were between 1.89-2.12.