【摘要】 针对淮北地区黄母牛营养状况,经过研究配制出一种补料。该补料与对照组比较,可降低母牛不孕率和死胎率;增大犊牛初生重和缩短母牛产犊间隔期;并有缩短母牛妊娠期和减少母牛一次受孕所需配种次数的趋势。表明改善黄牛营养状况,可极显著地提高其繁殖机能。更多还原

【Abstract】 According to the nutritive status of Cows in Huaibei region,the supplement feed was made. Compared with control group,the open and still birth rate of cows decreased with these supple- ment feed fed,and initial weight of calves increased,calving interval period shortened.There were a tendency to shorten pregnancy period and decrease services for stocking.Results showed that the reproductive performance of cow increased significantly through improvement of supple- ment feed.更多还原