PP1-11
Genetic relationships between milk urea nitrogen increase in the early stage of lactation and reproduction traits in Japanese Holsteins
B. Toshimi1, M. Yutaka2, S. Mitsuyoshi2
1Iwate university, The united graduate school of agricultural science, Morioka, Japan
2Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
Genetic relationships between milk urea nitrogen increase in the early stage of lactation and reproduction traits in Japanese Holsteins
B. Toshimi1, M. Yutaka2, S. Mitsuyoshi2
1Iwate university, The united graduate school of agricultural science, Morioka, Japan
2Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
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