摘要
本文选用年龄、体重、胎次基本相同的 40头黑白花奶牛 ,随机分为试验组A和对照组B ,A组在日粮中添加微贮啤酒糟 8公斤 ,B组在日粮中添加 8公斤鲜啤酒糟。经过 30天的试验 ,结果表明 :试验组A比对照组B奶牛的日均产乳量提高了 4.43% ,差异显著 ,乳脂率提高了 2 .34%。
In this study,40 Holstein Cows was selected base on the mainly same as time of life ,body weight and conception frequency. The cows was random divided into two groups: test group A and control group B. 8 kilogram micro-fermented brewers grain and 8 kilogram fresh brewers grain were used in test diet and control diet respectively. This test was done by 30 days. The result indication as follows:to compare with control group, the milk yield and milk fat percentage increased by 4.43% and 2.34%.
出处
《安徽技术师范学院学报》
2003年第1期22-23,6,共3页
Journal of Anhui Agrotechnical Teachers College