摘要
对湘西南山地奶牛的现状和成因进行了分析。
In this paper present conditions and contributing factors of milch cow in hilly areas of Southwest Hunan are analysed. The countermeasures to improve the productive performances are discussed too.
出处
《科技通报》
1997年第3期162-166,共5页
Bulletin of Science and Technology
关键词
湖南
奶牛
成因
生产性能
山地奶牛
黑白花奶牛
hilly areas of Southwest Hunan, milch cow, present condition, contributing factors, productive performances, countermeasures
