搜索结果: 1-3 共查到“家畜育种学 Dairy Cattle”相关记录3条 . 查询时间(0.062 秒)
Red & White Dairy Cattle Association（RWDCA）
Red & White Dairy Cattle Association White Dairy
2014/6/10
The RWDCA was established in 1964, based on the principles of an open herdbook and the bloodlines of the Red Holstein. Nearly fifty years later, the RWDCA is a strong and growing organization. The bre...
Day-to-day variation in yield, composition and somatic cell count of saleable milk in hand milked zebu dairy cattle
Zebu cow milk day-to-day variation milk composition
2010/9/10
The aim of the study was to determine the relative day-to-day variation in yield and composition of zebu cows. Ten multiparous zebu cows in day 41 ± 1.6 of lactation were used in the study. After a 14...
Genetic and Environmental Deterrents to Breeding for Disease Resistance in Dairy Cattle
Breeding Strategies Disease Resistance Dairy Cattle
2016/4/13
Selection for increased milk production in dairy cows has often resulted in a higher incidence of disease and thus incurred a greater health costs. Considerable interests have been shown in breeding d...