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K. Ohnuma
Laboratory of Animal Breeding, Faculty of Agriculture, Iwate university
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K. Ito
Laboratory of Animal Reproduction, Akita prefectural College of Agriculture
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Y. Miyake
Laboratory of Theriogenology, Faculty of Agriculture, Iwate university
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M. Komatsu
Omoriyama Zoo
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J. Takahashi
Laboratory of Animal Breeding, Faculty of Agriculture, Iwate university
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Y. Yasuda
Laboratory of Animal Breeding, Faculty of Agriculture, Iwate university