Hartanto, R. .; Ranggadikha, A. V. .; Prayitno, E. .; Prasetiyono, B. W. .; Mukodiningsih, S. .; Harjanti, D. W. . Effect of Calf Starter Substitution in Lactating Dairy Cow Concentrate on Feed Efficiency and Feed Cost of Weaned Female Holstein Friesian Calves. JAVR 2025, 15, 787-789.