Seroprevalence and spatial distribution of Toxoplasma gondii infection in cats, dogs, pigs and equines of the Fernando de Noronha Island, Brazil
2017
Magalhães, Fernando J.R. | Ribeiro-Andrade, Müller | Souza, Fátima M. | Lima Filho, Carlos D.F. | Biondo, Alexander Welker | Vidotto, Odilon | Navarro, Italmar Teodorico | Mota, Rinaldo A.
Little is known about toxoplasmosis in animals of the Fernando de Noronha Island, Brazil. Therefore, we investigated the prevalence of Toxoplasma gondii infection in the total population of pet cats (n=348), dogs (n=320), pigs (n=27), equines (n=101), as well as a significant portion of the population of feral cats (n=247) of the Island by Indirect Fluorescent Antibody Test. Anti-T. gondii IgG antibodies were found in 71.26%, 54.74%, 48.75%, 51.85% and 22.7%, of the pet and feral cats, dogs, pigs and equines, respectively, demonstrating a high prevalence of T. gondii infection in the wild and domestic animals of the Island. The Kernel intensity estimator showed a correlation between areas with high prevalence of infection in cats and occurrence of infection in the other studied species. We suggest that the island's health authorities should develop initiatives to reduce the population of cats and alert the island's population about the risk of T. gondii infection.
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