Seroprevalence of Sarcocystis spp., Neospora spp. and Besnoitia spp. in horses (Equus caballus) intended for slaughter in the state of Rio Grande do Sul, Brazil

Uillians Volkart de Oliveira, Helga Waap (INIAV), Jacinto Gomes, Aisla Nascimento da Silva, Luciana Carvalho Lacerda, Thaise da Silva Oliveira Costa, Telma de Sousa Lima, Gereon Schares , Alexandre Moraes Pinheiro, Luis Fernando Pita Gondim, Alexandre Dias Munhoz