1. Animal Science Graduate Program, Universidade do Estado de Santa Catarina, Chapecó, Brazil
2. Laboratory of Veterinary Pathology, Instituto Federal Catarinense, Concórdia, Brazil
3. Department of Biochemistry and Molecular Biology, Universidade Federal De Santa Maria, Santa Maria, Brazil
4. Department of Microbiology and Parasitology, Universidade Federal De Santa Maria, Santa Maria, Brazil