Bolze, R.P.; Corah, L.R.; Fink, G.M.; Hoover, L.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1985)
Two trials were conducted to determine if precalving protein intake would influence calf birth weight and calving difficulty. In Trial 1 (1983), 38 spring-calving Simmental heifers and 49 cows were allotted to three, 112 ...