摘要
本文调查了甘南牦牛的繁殖性能,调查发现甘南牦牛繁殖性能比上世纪八十年代降低,繁殖性能的高低与营养好坏和挤奶次数密切相关。通过控制载畜量,提高母牛的营养水平,犊牛定期断奶,可提高甘南牦牛的繁殖性能。
This article investigated the reproductive performance of Gannan yak. It was found that the reproductive performance of Gannan yak was lower than that of in the eighties of the twentieth century. Reproductive performance is related to the nutritional quality and milking number, By controlling the carrying capacity, it could improve the reproductive performance of Gannan yak by improving the nutritional level and regularly weaning.
出处
《中国牛业科学》
2013年第1期80-83,共4页
China Cattle Science
基金
现代农业产业技术体系资助项目(CARS-38)
关键词
甘南牦牛
繁殖性能
调查
gannan yak
reproductive performance
investigation