Epidemiology of canine visceral leishmaniosis in the endemic area of Montes Claros Municipality, Minas Gerais State, Brazil

The Montes Claros City is located in an endemic area for visceral leishmaniosis in the Minas Gerais State, Brazil. With the implementation of a program for the control of visceral leishmaniosis in 1994, a sectional study was carried out to evaluate the infection by viscerotropic Leishmania in the po...

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Bibliographic Details
Published in:	Veterinary parasitology Vol. 111; no. 2; pp. 161 - 173
Main Authors:	França-Silva, João C., da Costa, Roberto T., Siqueira, Ari M., Machado-Coelho, George L.L., da Costa, Carlos A., Mayrink, Wilson, Vieira, Edva P., Costa, Jaime S., Genaro, Odair, Nascimento, Evaldo
Format:	Journal Article
Language:	English
Published:	Netherlands Elsevier B.V 13-02-2003
Subjects:	Animals Antibodies, Protozoan - blood Brazil - epidemiology Canine visceral leishmaniosis Dog Dog Diseases - epidemiology Dog Diseases - parasitology Dogs Endemic Diseases - veterinary Epidemiology Female Fluorescent Antibody Technique - veterinary Hair - parasitology Incidence Leishmania ( Leishmania) chagasi Leishmania - isolation & purification Leishmaniasis, Visceral - epidemiology Leishmaniasis, Visceral - parasitology Leishmaniasis, Visceral - veterinary Male Prevalence Rural Population Seroepidemiologic Studies Urban Population Brazil Leishmania ( Leishmania) chagasi Dog Epidemiology Canine visceral leishmaniosis
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Summary:	The Montes Claros City is located in an endemic area for visceral leishmaniosis in the Minas Gerais State, Brazil. With the implementation of a program for the control of visceral leishmaniosis in 1994, a sectional study was carried out to evaluate the infection by viscerotropic Leishmania in the population of dogs from Montes Claros, basically using indirect immunofluorescence antibody test (IFAT). Blood samples were collected on filter paper from 33,937 dogs, representing 96.1% of the canine local population. The prevalence for visceral leishmaniosis was found to be 9.7% in the municipality, being 9.9% in the urban area and 8.8% in the rural area. The annual incidence showed to be 64.3/1000 dogs. Prevalence of infection was not correlated with dogs age. The most affected breeds were: Boxer (24.6%) and Cocker (26.9%); Mongrel dogs had a prevalence of 7.8%. Short-hair animals had a prevalence of 11.9%, while long-furred animals had a prevalence of 8.9%. The isoenzymatic profile indicated that Leishmania ( Leishmania) chagasi was the visceral leishmaniosis etiological agent in Montes Claros City, Minas Gerais State, Brazil. The main geographical areas for the parasite transmission were identified, and control measures were immediately started. The role of the dog as a reservoir for L. chagasi was confirmed. It was demonstrated that short-furred animals are at a higher risk of acquiring visceral leishmaniosis than the long-furred dogs.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0304-4017 1873-2550
DOI:	10.1016/S0304-4017(02)00351-5