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Masamitsu KANOE
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Yuji IZUCHI
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Masayuki KEMI
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Mitsuyoshi TODA
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Yukio HARA
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Author's Organization:Division of Veterinary Science, Faculty of Agriculture, Yamaguchi University Division of Veterinary Science, Faculty of Agriculture, Yamaguchi University Division of Veterinary Science, Faculty of Agriculture, Yamaguchi University Division of Veterinary Science, Faculty of Agriculture, Yamaguchi University Division of Veterinary Science, Faculty of Agriculture, Yamaguchi University