Author's Organization:Department of Reproduction, Nippon Veterinary and Zootechnical College Department of Reproduction, Nippon Veterinary and Zootechnical College Department of Reproduction, Nippon Veterinary and Zootechnical College
Published: December 15, 1988Received: June 06, 1988Available on J-STAGE: February 13, 2008Accepted: August 20, 1988
Advance online publication: -
Revised: -