Author's Organization:Omiya livestock Hygiene Service Center Omiya livestock Hygiene Service Center Omiya livestock Hygiene Service Center Omiya livestock Hygiene Service Center National Institute of Animal Health National Institute of Animal Health
Published: August 15, 1987Received: February 12, 1987Available on J-STAGE: February 13, 2008Accepted: April 18, 1987
Advance online publication: -
Revised: -