摘要
利用1958—2009年间西藏那曲地区牦牛的统计资料,分析了那曲地区牦牛数量变化的特征和规律。结果表明,那曲地区牦牛数量占畜群比例的19%~29%,牦牛数量占畜群比例总体呈下降趋势;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。
Using statistics of yaks in Naqu Prefecture of Tibet Autonomous Region between 1958 and 2009, characteristics and laws of quantity change of Naqu yaks were analyzed. Results show that the proportion of yaks in livestock was 19%-29%, which declined gradually. Adjustment of livestock population structure had reached the goal of "Develop yak (including cattle), moderately develop goats, reduce sheep, and control horses" and laid a foundation for the positive development of animal husbandry in Naqu prefecture.
出处
《畜牧与饲料科学》
2011年第4期8-10,共3页
Animal Husbandry and Feed Science
基金
国家自然科学基金委科学部主任基金(31040077)
西藏自治区地区自然科学基金项目
"211工程师资队伍建设项目资助"(SZRC-211-01)
关键词
牦牛
资源调查
那曲地区
yak
resource survey
Naqu prefecture