About BETHARD G L
About Virginia Polytechnic Inst. and State Univ., Blacksburg
About JAMES R E
About Virginia Polytechnic Inst. and State Univ., Blacksburg
About MCGILLIARD M L
About Virginia Polytechnic Inst. and State Univ., Blacksburg
About Journal of Dairy Science
About dairy cattle
About Cattle
About ホルスタイン
About 育成牛
About 成長
About 飼料効率
About 第一胃
About 非分解性蛋白質
About エネルギー