The effects on calving interval were analyzed by SAS 1 GLM.
采用SAS1软件对影响产犊间隔因素进行最小二乘方差分析。
Analysis of factors effect on dairy cattle calving interval
影响奶牛产犊间隔因素的分析
Effect of different parities on calving interval was significant (P05), the calving interval increased with the parity increased;
不同胎次对产犊间隔有显着影响(P0.05),产犊间隔随胎次增加有延长的趋势;
Investigation on calving interval and body condition of Qinhai plateau Yak
青海高原型牦牛产犊间隔及体况调查
In order to investigate factors influencing calving interval of Holstein in Xinjiang area.
探讨各因素对新疆地区荷斯坦奶牛产犊间隔的影响。