Researching yak timely slaughter technique of northwest Sichuan pastoral areas aiming at extensive breeding and management, long growth periods, old slaughter, not fine meat quality, low benefit and so on.

• 本项目针对川西北牧区牦牛生长周期长,出栏年龄大,饲养管理粗放,肉的品质欠佳,养殖效益低等问题,开展了牦牛适时出栏技术研究。