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一 1975年以后,随着冷冻精液、人工授精技术的引用和推广,加快了牦牛改良的进度,促进了牦牛科研的开展。农垦部及时掌握和引导这一趋势,同意了川西北草原牦牛改良工作座谈会《关于成立中国牦牛选育科研协作组的请示报告》,并于1979年4月在成都召开了中国牦牛改良科研协作组筹备会,着手把新疆、西藏、青海、甘肃、云南、四川六省、区有关牦牛改良科研力量组织起来。同年9月,在西宁召开了中国牦牛科研协作组成立大会,正式成立了统一的协作组织,协调推动全国牦牛科研、改良工作。还决定
After 1975, with the introduction and popularization of frozen semen and artificial insemination technology, the progress of yak improvement was accelerated and the yak research was promoted. The Ministry of Land Reclamation promptly grasped and guided this trend and agreed with the Symposium on the Establishment of a Yak Breeding Research Collaboration in China’s Northwest Sichuan Grassland Yak and Request for Comments on the Establishment of a Scientific Cooperation Group for Yak Breeding in China and held a seminar on the improvement of Chinese yak in April 1979 The preparatory meeting of the group started to organize the improvement of the scientific research capacity of yaks in Xinjiang, Tibet, Qinghai, Gansu, Yunnan and Sichuan provinces and autonomous regions. In September the same year, held in Xining, China yak research collaboration group set up the General Assembly, formally established a unified collaborative organization to coordinate the promotion of yak research, improvement work. Also decided