Effect of hay supplementation timing on rumen microbiota in suckling calves

摘要：

Introduction The digestive tract of all animals are colonized by a large number of microbes, and these microbes are more abundant in the rumen.These microbial populationsnot only undergo material and information exchange with the body but also participate in the metabolism of the host and maintain the bodys homeostasis and rumens normal digestion function.The composition of the entire microbiota the population levels in the rumen are affected by various factors, among which diet is the most important.Solid feed effect on fibrolytic and methanogenic microorganisms in the gastrointestinal tract of calves(Cesar et al.,2016).Whether to supplement the suckling calves with hay remains controversial.Most producers in the United States choose to supplement hay for weaning calves mainly fed on milk and starter(Drackley,2008).

作者: X.Y.Lin J.Wang Q.L.Hou Y.Wang Z.Y.Hu K.R.Shi Z.G.Yan Z.H.Wang

作者单位: Ruminant Nutrition and Physiology Laboratory, College of Animal Science and Technology, Shandong Agricultural University, Taian 271018, P.R.China

会议类型: 国际会议

会议名称: The 5h International Symposium on Dairy Cow Nutrition and Milk Quality(第五届“奶牛营养与牛奶质量国际研讨会)

会议地点: 北京

会议语种:英文

页码: 270-272

在线出版日期: 2017-05-05（万方平台首次上网日期，不代表论文的发表时间）