Connie Nielson Detering3, Robert M. Cook Department of Dairy Science, Michigan State University, East Lansing 48824 Received 30 January 1978, Available online 26 April 2010
Connie Nielson Detering3, Robert M. CookDepartment of Dairy Science, Michigan State University, East Lansing 48824Received 30 January 1978, Available online 26 April 2010