Freqüência de anticorpos anti-Neospora caninum em soros de caprinos do estado de São Paulo e sua relação com o manejo dos animais | Frequency of antibodies anti-Neospora caninum in sera of goats of the State São Paulo and its relationship with flock management
2008
Modolo, José R. | Stachissini, Anee V.M. | Gennari, Solange M. | Dubey, Jitender P. | Langoni, Helio | Padovani, Carlos R. | Barrozo, Lígia V. | Leite, Bárbara L.S.
In order to assess the frequency of dairy goats seropositive for Neospora caninum in the state of São Paulo, and its relationship with age, sex, presence of dogs and reproductive problems in goat pens, serum samples were obtained from 923 goats of both sexes older than 3 months of age. Samples were collected in 17 properties located in different municipalities. Neospora agglutination test (NATe"25) was used to determine the presence of Neospora caninum in all animals. Epidemiological and reproductive data were obtained through a questionnaire which was administered in all goat pens. Significance level was set at 5% for all statistical tests. N. caninum positivity rate was 19.77%. Only one of the properties had no seropositive animal revealing N. caninum diffusion in the state. Seropositivity frequency did not correlate with sex, age, or reproductive problems. However, the presence of dogs was associated with a higher frequency of N. caninum seropositivity. A choroplethic map with hatch patterns showing the geographical distribution of goats seropositive for Neospora caninum may considerably contribute to geographic epidemiological studies and the development of disease control strategies.
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