ISO 1546:1981 奶牛产奶量的记录规程
标准编号:ISO 1546:1981
中文名称:奶牛产奶量的记录规程
英文名称:Procedure for milk recording for cows
发布日期:1981-02
标准范围
规定了一种方法,用于确定奶牛在每个哺乳期、305天的哺乳期或其存在的每个运营年内生产的牛奶、脂肪和蛋白质总量。应适用于属于一个牛群的所有产奶品种ao和具有主要产奶能力的品种。两个附件中列出了评估方法和计算示例。
Specifies a method for determining the total quantity of milk, fat and protein produced by a cow in each lactation period and during 305 days of lactation or in each operational year in its existence. Shall be applied to all cows of milk-producing breeds ao breeds with a predominant milk-producing capacity, belonging to a herd. Methods of evalutiion and calculation examples are listed in two annexes.
标准预览图


