摘要
本文分析了云南省弥渡县金润良种奶牛场1~6胎荷斯坦牛的产奶量、产犊间隔以及依据DHI报告测定的乳成分。结果显示,该牛场奶牛的总平均产奶量超过6 200kg;各胎次泌乳高峰出现在产后25~40天,终生产奶量高峰出现在第3胎;全年生乳成分符合国家标准。
In this paper,it was analyzed that the milk yield and its change,calving interval and milk composition based on DHI（dairy herd improvement） for Holstein herd from one to six lactation period on Jinrun dairy farm in Midu County,Yunnan Province.The results showed that the total average milk yield was more than 6200kg,the peak of lactation came on postpartum 25~40days,milk production of the third lactation was the highest in a whole life,and raw milk composition was up to the national standard.
出处
《中国奶牛》
2012年第5期24-26,共3页
China Dairy Cattle
