Albert Boaitey1

  • 1Agriculture Building, School of Natural and Environmental Sciences, Newcastle University, Room 3.10, Newcastle upon Tyne, England NE1 7RU, UK.

PubMed
概括

奶牛养殖者更喜欢养母牛系统,而不是立即分离小牛. 长时间的母牛接触与农场类型和农民年龄有关,这表明系统变化是可行的.