Forage and breed effects on behavior and temperament of pregnant beef heifers

• 作 者: Angela R Mays Michael L Looper
• 机 构: DepartmentofAnimalScience,USDA-ARS,USDA-ARS,DepartmentofAgriculturalSciences
• 出 处: 畜牧与生物技术杂志：英文版
• 发表日期: 2013年3期
• 关键词: 行为观察 小母牛 内生真菌感染 放牧行为 品种类型 动物福利 放牧草场 繁殖 Cattle Endophyte-infected tall fescue G
• 基金项目: Acknowledgements The authors gratefully acknowledge S. Tabler and B. Woolley （USDA Agricultural Research Service, Booneville, AR） for technical assistance and daily animal management, D. Burner （USDA-

Background: Integration of behavioral observations with traditional selection schemes may lead to enhanced animal well-being and more profitable forage-based cattle production systems.Brahman-influenced(BR;n = 64) and Gelbvieh × Angus(GA;n = 64) heif