Author's Organization:Department of Reproduction, Nippon Veterinary and Zootechnical College Ueda Health Center National Institute of Animal Health National Institute of Animal Industry Department of Reproduction, Nippon Veterinary and Zootechnical College Department of Reproduction, Nippon Veterinary and Zootechnical College
Published: June 15, 1989Received: August 01, 1988Available on J-STAGE: February 13, 2008Accepted: January 14, 1989
Advance online publication: -
Revised: -