2018年北京市养殖环节奶牛常用饲草料营养成分分析

Nutrient Levels of Feedstuffs Commonly Used in Dairy Farms of Beijing in 2018

为掌握2018年北京市奶牛场养殖环节主要饲草料质量状况,本研究针对性抽样、检测、分析了北京市区域内代表性奶牛养殖场常用饲草料130份。结果表明:2018年北京市养殖环节奶牛常用饲草料营养成分指标合格率较高,但粗饲料原料质量稳定性较差,青贮饲料整体质量较好,主要精饲料原料营养成分较稳定。

In order to know the quality of main feedstuffs in Beijing’s dairy farm,provide targeted data support to make feed formulation and promote the spread of precision feeding,our study sampled,tested and analysized 130 feedstuffs which were commonly used in dairy farms of Beijing in 2018.Results showed that:In 2018,the qualification rate of common feed ingredients for dairy farm in Beijing was high.Among these feed,the mass stability of roughage was poor.Silages had a better overall quality.And the nutrient composition of main concentrate was stable.