Risk factor analysis associated with Neospora caninum in dairy cattle in Western Brazilian Amazon oleh Poliana de Jesus Souza Venturoso, Osvaldo Juliatti Venturoso, Gisele Glomba Silva, Maerle Oliveira Maia, Rute Witter, Daniel Moura Aguiar, Richard de Campos Pacheco, Elvino Ferreira, Alvimar José da Costa, Thais Rabelo dos Santos-Doni