西藏那曲地区绵羊资源调查与分析  

Survey on the Sheep Resources in Nagqu Prefecture of Tibet Autonomous Region

作　　者：任子利[1] 赵彦玲[1] 王建州[1] 李瑜鑫[1] 商鹏[1] 刘锁珠[1] 强巴央宗[1] 

机构地区：[1]西藏农牧学院动物科学学院,西藏林芝860000

出　　处：《河南农业科学》2011年第8期198-201,共4页Journal of Henan Agricultural Sciences

基　　金：国家自然科学基金委科学部主任基金项目(31040077);西藏自然科学基金项目(2010);211工程师资队伍建设项目资助(SZRC-211-01)

摘　　要：利用1958-2009年间那曲地区绵羊的统计资料,对那曲地区绵羊数量变化的特征和规律进行了分析。结果表明：从1958-2001年44 a间,那曲地区绵羊数量占畜群比例为48%~63%,绵羊数量虽呈现增长趋势,但绵羊增长率也逐渐得到控制;从2002-2009年8 a间,绵羊数量占畜群比例为48%~55%,绵羊增长率逐年呈下降趋势,经过50多年的畜种群结构的调整,已经达到＂发展牦牛（含黄牛）、适度发展山羊、减少绵羊、控制马＂的总体原则,为那曲地区畜牧业的良性发展奠定了基础。The quantity change of Nagqu sheep＇s characteristics and laws was analyzed by the sheep population statistics in Nagqu from 1958 to 2009.The results showed that sheep proportion to livestock was between 48% and 63% from 1958 to 2001 and although the number of sheep growth is on the rise,but also annual growth rate has been put on the control little by little.However,sheep proportion to livestock was between 48% and 55%,the number of sheep and annual growth rate was declined gradually from 2002 to 2009.Livestock population structure adjustment has reached ＂The general principles of development yak（including cattle）,moderate development goats,reduce sheep,control horse＂ since 1958,which laid a foundation for the positive development of animal husbandry in Nagqu prefecture.

关 键 词：那曲地区 绵羊 存栏数 畜牧群结构 

分 类 号：S826.83[农业科学—畜牧学]