摘要
通过对关中奶山羊的体尺指标和产奶量的调查研究分析,发现当前的关中奶山羊的年龄结构分布合理,但主要体尺指标均表现为显著性差异,其中体高、体长、腰角宽、胸围差异高度显著,管围差异不显著;各项指标和产奶性能均有退化现象,且有明显的地域性差异。
Through study and analysis on the body indices of Guanzhong milk goats, discovered the rational age construction at present, while the rest of the body indices showed notable differences, especially in the body height, body length and chest girth, but the waist width and the size of leg circle showed no differences. All indices and milk production showed the existence of degeneration phenomenon and signifcant visible differences in vary locations.
出处
《家畜生态》
2004年第4期29-31,共3页
Ecology of Domestic Animal
基金
陕西省农业厅"关中奶山羊提纯复壮"项目资助。