Institution: | 1.Laboratory of Animal Virology, Department of Veterinary Preventive Medicine, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid - Campus Universitário, PO Box 10011, Londrina, Paraná, 86057-970, Brazil ;2.MSD Animal Health, S?o Paulo, Brazil ;3.Multi-User Animal Health Laboratory, Molecular Biology Unit, Department of Veterinary Preventive Medicine, Universidade Estadual de Londrina, Londrina, Brazil ;4.National Institute of Science and Technology for Dairy Production Chain (INCT–LEITE), Universidade Estadual de Londrina, Londrina, Brazil ; |