Abstract
The objective of this research is to evaluate the efficacy of new commercially modified live vaccines against BVDV types 1 and 2 in comparison with inactivated vaccines. For this purpose, 30 Dutch heifers will be randomly distributed into five experimental groups: G1- modified live vaccine containing only BVDV-1 and BVDV-2; G2- modified live vaccine containing BVDV-1 and BVDV-2, in additi…