Author's Organization:Chemo-Sero-Therapeutic Research Institute, Inc. Chemo-Sero-Therapeutic Research Institute, Inc. Chemo-Sero-Therapeutic Research Institute, Inc. Chemo-Sero-Therapeutic Research Institute, Inc. Chemo-Sero-Therapeutic Research Institute, Inc. Animal Industry Section, Rrefecture of Fukuoka Animal Industry Section, Rrefecture of Fukuoka Animal Industry Section, Rrefecture of Fukuoka