【摘要】 １９８８年４～５月对引进到青海大通牛场和甘南藏族自治州的九龙牦牛的适应性、生长发育、生产性能与行为表现等进行了调查、观察和测定，并对其生理指标进行了测定，结果表明，在青海高原的生态条件下，九龙牦牛是适应的，生长发育良好，并表现出良好的产毛绒性能。更多还原

【Abstract】 The study was carried out from April to May of 1988 on Jiulong yak imported to Datong farm of Qinghi and Ganlan prefecture of Gansu. It included adaptability,growth and development,production porformance,physiological pqrameters etc. The result showed that Jiulong yak had a good adaptability to both the areas and kept normal growth rate and hair performance. The offsprings of Jiulong yak cross with plateau type of yak had a good production performance which indicated that Jiulong yak had a good tendency to improve other indigenous yak breeds.更多还原