CollegeofAnimalScienceandTechnology;
NortheastAgriculturalUniversity;
HarbinHeilongjiang150030;
PRC;
DepartmentofAnimalandPoultryScience;
UniversitySaskatchewan51CampusDrive;
SaskatoonSKS7NSAS;
Canada;
牧草; 燕麦; 大麦; 成熟期; 品种; 化学成分; 瘤胃干物质消化率; 反刍动物; 瘤胃液; 排泄物液体;