ABSTRACT
Serum samples from 404 females water buffaloes (Bubalus bubalis) were tested to verify the occurrence of anti-Neospora caninum antibodies in 5 counties in the west region of São Paulo State, Brazil. The technique used was indirect fluorescence antibody test (IFAT), with initial dilutions of 1:100. AntiNeospora caninum antibodies were observed in 38.1% (154/404) of the samples, and antibody titers ranged from 100 to 12,800. The frequency observed among the counties ranged from 16.2% to 61.4% (P < 0.05). Animals from Lucelia County older than 5 years of age presented higher antibody frequencies (P < 0.05). These results are a warning signal for N. caninum infection in water buffaloes in the west region of São Paulo State.
KEY WORDS
Occurrence; water buffaloes; immune fluorescence