机译:不同蛋白质水平对犊牛营养消化代谢和血清生化指标的影响
Feed Research Institute,Chinese Academy of Agricultural Sciences,Beijing 100081,P.R.China;
Feed Research Institute,Chinese Academy of Agricultural Sciences,Beijing 100081,P.R.China;
Feed Research Institute,Chinese Academy of Agricultural Sciences,Beijing 100081,P.R.China;
Feed Research Institute,Chinese Academy of Agricultural Sciences,Beijing 100081,P.R.China;
Feed Research Institute,Chinese Academy of Agricultural Sciences,Beijing 100081,P.R.China;
calves,protein levels,milk replacer,apparent digestibility,biochemical parameters;