不同蛋白能量比日粮对荷斯坦奶公犊育肥效果及血液生化指标的影响研究

张召兄;潘晓亮;任耀军;关正萍

Effect of Different Level of Ratio of Protein to Energy in Ration on Growth Performance and Biochemical Serum Indexes in Holstein Male Calf

ZHANG Zhaoxiong;PAN Xiaoliang;REN Yaojun;GUAN Zhengping

. 2007, (7): 75 -77 .