1. Department of Small Animals, Universidade Federal de Santa Maria (UFSM), Avenida Roraima 1000, Campus Universitário, Hospital Veterinário, Sala 103, 97105-900, Santa Maria – RS, Brazil
2. Department of Microbiology and Parasitology, UFSM, Avenida Roraima 1000, Campus Universitário, Prédio 20, Sala 4220, 97105900, Santa Maria – RS, Brazil
3. Department of Chemistry, UFSM, Avenida Roraima 1000, Campus Universitário, Prédio 18, 97105900, Santa Maria – RS, Brazil