incarceration of pregnant uterus

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

the extension of calving interval decreases the farm profit

产犊间隔延长导致牛场利润降低

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。

When prepartal cows were treated with TDP the conception rate after calving was significantly higher ( P < 0. 01), and the calving interval was shortened ( P < 0. 05).

用TDP处理围产期奶牛，显著提高了产后妊娠率（P＜0.01），并缩短了产犊间隔时间（P＜0.05）；

Effects of Calving Interval on Milk Production for Simmental in the Northern Region of Xinjiang

产犊间隔对新疆北疆地区西门塔尔牛305d产奶量的影响

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著影响（P0.05），产犊间隔随胎次增加有延长的趋势；

Analysis of Factors Effect on Dairy Cattle Calving Interval

影响奶牛产犊间隔的因素分析

factors of the effect on calving interval in cow

影响奶牛产犊间隔的因素分析

the effects on calving interval were analyzed by sas8. 1 glm.

采用SAS8.1软件对影响产犊间隔因素进行最小二乘方差分析。

calving season and milk yield were the main factors influencing calving interval.

产犊季节和产奶量是影响产犊间隔主要因素。