Occurrence of antibodies to Neospora caninum and Toxoplasma gondii in dairy cattle from the northern region of the Paraná State, Brazil | Arq. Bras. Med. Vet. Zootec.
2005
Ogawa, L. | Freire, R. L. | Vidotto, O. | Gondim, Luis Fernando Pita | Navarro, I. T. | Ogawa, L. | Freire, R. L. | Vidotto, O. | Gondim, Luis Fernando Pita | Navarro, I. T.
p.312-316
Show more [+] Less [-]Three-hundred and eighty-five serum samples were taken from dairy cows on 90 farms in 12 counties from the northern region of the Paraná State, Brazil. The samples were analyzed by IFAT for the detection of anti-Neospora caninum and anti-Toxoplasma gondii IgG antibodies. Forty-five (12%) samples were seropositive to N. caninum, while 102 (26%) samples were seropositive to T. gondii. Only four animals were seropositive to both coccidia. No significant difference was observed between the N. caninum serology and any of the variables studied, such as dairy cattle management, milk production, reproductive problems, feeding, and presence of dogs, cats and rodents. These data suggest that neosporosis is present among dairy cattle in the studied geographic region and the simultaneous detection of serum positive animals to both types of coccidian parasite demonstrates the independent occurrence of these coccidia in dairy cows.
Show more [+] Less [-]Belo Horizonte
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