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NTIS 바로가기Journal of animal science, v.90 no.9, 2012년, pp.2916 - 2920
Casas, E. (USDA, ARS, U.S. Meat Animal Research Center, Clay Center, NE 68933) , Thallman, R. M. (USDA, ARS, U.S. Meat Animal Research Center, Clay Center, NE 68933) , Cundiff, L. V. (USDA, ARS, U.S. Meat Animal Research Center, Clay Center, NE 68933)
The objective of this study was to characterize breeds representing diverse biological types for birth and weaning traits in crossbred cattle (Bos taurus). Gestation length, calving difficulty, percentage of unassisted calving, percentage of perinatal survival, percentage of survival from birth to w...
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