开食料中粗蛋白质水平对荷斯坦犊牛瘤胃发育的影响
云强，刁其玉*，屠焰，周怿
Effects of Crude Protein Levels in Starters on Rumen Development of Holstein Bull Calves
YUN Qiang，DIAO Qiyu*，TU Yan，ZHOU Yi
动物营养学报 . 2010, (01): 57 -62 .  DOI: 10.3969/j.issn.1006-267x.2010.01.009

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