Author's Organization:Department of Veterinary Microbiology, College of Dairy Agriculture Department of Veterinary Microbiology, College of Dairy Agriculture Department of Pathology, College of Dairy Agriculture Department of Veterinary Microbiology, College of Dairy Agriculture Department of Pathology, College of Dairy Agriculture Department of Veterinary Microbiology, College of Dairy Agriculture
Published: February 15, 1987Received: August 18, 1986Available on J-STAGE: February 13, 2008Accepted: October 03, 1986
Advance online publication: -
Revised: -