Affiliation: | 1. Faculty of Agricultural Sciences, University of Camagüey, Ignacio Agramonte Loynáz. Cuba. Carretera de Circunvalación Km 5 1/2, Camagüey 74 650, Cuba;2. Department of Veterinary Medicine, Federal University of Parana, Rua dos Funcionários, 1540 - Laboratório de Doenças Parasitárias, HV Juvevê, 80035-050 Curitiba, PR, Brasil;3. Department of Veterinary Science, University of Kentucky, Gluck Equine Research Center, Lexington, KY 40546-0099, USA |