[1]Department of Animal Science, Iowa State University, Ames 50010, USA.;
[2]Department of Animal and Food Sciences, University of Kentucky, Lexington 40546, KY, USA.;
[3]USDA-ARS-National Laboratory for Agricultural and the Environment, Ames 50010, IA, USA.;
食物组成 消化道 生长猪 粪便 标记 NDF 交互作用 纤维含量;