title: Prevalence of Toxoplasma gondii and Neospora caninum infections in sheep from Federal District, central region of Brazil.
abstract: Serum samples from 1028 sheep were collected from 32 herds within Federal District, in the central region of Brazil. The samples were examined by indirect fluorescent antibody test (IFAT) using sera diluted 1:64 and 1:50 as cut-off values for the detection of antibodies against Toxoplasma gondii and Neospora caninum, respectively. The observed prevalence for T. gondii infection was 38.22% (26.81%<CI 0.95<49.62%), and the titers ranged from 64 to 65536. The observed prevalence for N. caninum infection was 8.81% (7.08%<CI 0.95<10.53%). The titers ranged from 50 to 51200. The reactant sera to both pathogens corresponded to 4.67% of the samples. The risk factors were not determined because of the absence of negative herds for T. gondii and the high proportion of positive herds for N. caninum (87.50%). The prevalence for T. gondii infection was significantly higher among males than in females. The present work is the first report on seroprevalence of T. gondii and N. caninum in sheep from Federal District and shows that infection by both parasites is widespread in the ovine population from this region.
authors: Unidade de Pesquisa e Desenvolvimento de Mirassol, Pólo Centro Norte, Agência Paulista de Tecnologia dos Agronegócios, Rodovia Washington Luís, km 445, CEP 15025-990, Caixa Postal 1013, São José do Rio Preto, São Paulo, Brazil. tatianaueno@apta.sp.gov.br
authors: Tatiana Evelyn Hayama
authors: TE
authors: Ueno
authors: Vitor Salvador Picão
authors: VS
authors: Gonçalves
authors: Marcos Bryan
authors: MB
authors: Heinemann
authors: Tales Luís Bezerra
authors: TL
authors: Dilli
authors: Bruno Minoru
authors: BM
authors: Akimoto
authors: Silvio Luís Pereira
authors: SL
authors: de Souza
authors: Solange Maria
authors: SM
authors: Gennari
authors: Rodrigo Martins
authors: RM
authors: Soares
mesh_terms: D000818:Animals; D000913:Antibodies, Protozoan / Q000097:blood; D001938:Brazil / Q000453:epidemiology; D003048:Coccidiosis / Q000453:epidemiology / Q000662:veterinary*; D018688:Neospora; D016036:Seroepidemiologic Studies; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology*; D014122:Toxoplasma; D014124:Toxoplasmosis, Animal / Q000453:epidemiology*
chemical_list: D000913:Antibodies, Protozoan