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Prevalence of Neospora caninum and Toxoplasma gondii in sheep and dogs from Guarapuava farms, Parana State, Brazil


, : Prevalence of Neospora caninum and Toxoplasma gondii in sheep and dogs from Guarapuava farms, Parana State, Brazil. Research in veterinary science 82(2): 202-207

Sheep and dog blood samples were collected from nine farms in the county of Guarapuava, Parana, Brazil. The indirect fluorescent antibody test (IFAT) was used to detect Neospora caninum and Toxoplasma gondii antibodies. Herein, serum samples from 305 sheep were evaluated, being 29 (9.5%) and 157 (51.5%) seropositives to N. caninum and T. gondii, respectively. Seven (29.1%) and five (20.8%) out of 24 dogs were seropositives to N. caninum and T. gondii, respectively. There were no differences among the sheep serology for N. caninum and reproductive problems, management and animal feeding variables, neurological problems and presence of other animals species on the farm (P> or = 0.05). The simultaneous frequency of antibodies between N. caninum and T. gondii was 5.2% in the herds. Age, breed, farm size, semi-intensive activity, mineral salt supplementation, water origin, stage of the pregnancy when reproduction problems occurred, neurological problems in lambs, presence of rodents in the food room and pasture cat access were identified as associated factors for the occurrence of toxoplasmosis in sheep (P < 0.05). There were no differences among the seropositivity in dogs for N. caninum and T. gondii and breed, age and sex (P > or = 0.05). The present work is the first report on serum prevalence of N. caninum in sheep from the state of Parana, Brazil.

US$19.90

PMID: 17266999

DOI: 10.1016/j.rvsc.2006.04.001


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