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qian yi nei di gai liang zuo niu xue qing sheng hua zhi biao te dian de tan tao
Author(s): 
Pages: 32-35
Year: Issue:  2
Journal: China Yak

Abstract: <正> 一前言牦牛改良工作,我省于五十年代初期就已开始,随着冷冻精液人工授精技术的应用,至今已有上万头杂交改良牦牛,这些牦改牛是牧区重要经济来源。为了开发牦牛资源,促进牦改工作的进一步发展,解决我省鲜奶供应紧张、牛源奇缺的问题,我所于1984年接受了农牧渔业部农垦局、四川省科委、四川省农牧厅农场管理局下达的"改良牦牛迁移内地饲养试验"以及续课题"牦牛
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