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Kiyoshi HAYASAKA
Hokkaido National Agricultural Experiment Station
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Tomeyuki MIYAUCHI
National Agricultural Experiment Station
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SUSUMU MIYAMOTO
National Institute of Animal Industry
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Teruo ARAI
Hokuren Livestock Experimental and Training Farm
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Masahito TAKATORI
Hokuren Livestock Experimental and Training Farm
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Satoshi TANAKA
Hokuren Livestock Experimental and Training Farm
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Kunio SASAKI
Dairy and Livestock Production Dept., Hokuren
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Yusuke MIURA
Dairy and Livestock Production Dept., Hokuren