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Arquivo Brasileiro de Medicina Veterinária e Zootecnia

On-line version ISSN 1678-4162


CASARTELLI-ALVES, L. et al. Prevalence of Toxoplasma gondii infection in free-range chickens reared in Rio Bonito, Rio de Janeiro. Arq. Bras. Med. Vet. Zootec. [online]. 2012, vol.64, n.5, pp.1398-1401. ISSN 1678-4162.

The prevalence of T. gondii infection was investigated in free-range chickens for human consumption in the county of Rio Bonito, Rio de Janeiro, Brazil. Thus, a search for antibodies to T. gondii by indirect fluorescent antibody test was done in the serum of 220 chickens from twenty two farms. Titres equal or greater than 16 were considered positive. The prevalence of toxoplasmic infection found in chickens was 27.6% (61/220). There were positive cases in eighteen (77.2%) farms. The more frequent titre was 16 (12.5%) and the highest was 4096 (0.4%). The high prevalence of T. gondii in chickens and the high percentage of farms with positive cases indicate environmental contamination in the studied area showing the possibility of human and animal infection.

Keywords : chicken; Toxoplasma gondii; indirect fluorescent antibody test; prevalence.

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