Author's Organization:Research Labolatory of C. Itoh Feed Mills Co., Ltd. Research Labolatory of C. Itoh Feed Mills Co., Ltd. Research Labolatory of C. Itoh Feed Mills Co., Ltd. Research Labolatory of C. Itoh Feed Mills Co., Ltd. Research Labolatory of C. Itoh Feed Mills Co., Ltd. Research Labolatory of C. Itoh Feed Mills Co., Ltd.
Published: June 15, 1990Received: June 15, 1989Available on J-STAGE: February 14, 2008Accepted: February 02, 1990
Advance online publication: -
Revised: -