驴的产乳量分析及估产测定日研究

对新疆喀什地区岳普湖县某养殖户的21头泌乳前期母驴（疆岳驴）进行连续49d的挤乳量测定。计算每头驴的挤乳量,采用统计学方法研究适合的估产测定日。驴驹每天隔离18h,母驴日挤乳2次,平均头日挤乳量2．26kg,估计头日平均产乳量3．01kg。最高产驴平均头日挤乳量3．62kg,估计头目平均产乳量4．83kg。母驴产乳量的个体差异很大,每5d或10d测定一次挤乳量可以推断全月及全泌乳期的挤乳量和产乳量。

The Analysis of Donkey Milk Production and the Research of Estimated Milk Production Day

The milk production of 21 female asses, which came from Yuepuhu County in Kashi Prefecture of Xinjiang, were assay, in early stage of lactation .collect the date of milk production e and analyze the best Estimated-milk-production-Day by using the data analysis method. The colt sucks were isolated from female ass for 18h. Squeeze milk two times a day, the average of first day milk production is 2.26kg, the estimated average of daily milk production is 3.01kg.The first daily average of squeezed milk of highest production is 3.62 kg and the estimated average of daily milk production is 4.83kg. Because of the big differences between different in female asss, we could infer the full month and the whole lactation amount of female asss＇ squeezed milk and the production of female asss＇ milk by evaluating the amount of female asss＇ squeezed milk one time every 5days or 10days.