lactation stage

基本解释

T4 concentration also existed Significant difference(Pbetween mid and late stage of lactation.
T4浓度在泌乳后期和中期之间也存在着显著差异（P＜0．05）。
Milk quality is affected by several factors such as feed and feeding, milk lactation stage and milk performance, environment, diseases and breed.
牛奶品质的优劣受诸多因素的影响，如饲料组成与营养、奶牛泌乳阶段与水平、环境、疾病、品种等。
The milk quality was affected by several factors such as feed and feeding, milk lactation stage sad milk performance, environment, diseases and breed.
牛奶品质的优势，受诸多因素的影响，如饲料组成与营养、牛奶泌乳阶段与水平、环境、疾病、品种等。

The fat content of raw milk varies with cow breed, feed, and stage of lactation among other factors.
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