The Use of Radioimmunoassay to Moniter Reproductive Status of Cheju Native Cattle and the Effect of Su, pp.ementary Feeding on Reproduction - 1. Body Weight Changes, Breeding Performances and Progesterone Levels from Weaning until First Calving
Chung, D. C., J. K. Kim, D. C. Kim, Y. K. Beak, S. H. Moon