Seroprevalence of Toxoplasma gondii and Neospora caninum in sheep intended for human consumption in the Rondônia state,Western Brazilian Amazon |
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| Institution: | 1. Programa de Pós-Graduação em Ciências Veterinárias (PPGVET) da Faculdade de Medicina Veterinária (FAVET) da Universidade Federal de Mato Grosso (UFMT), Cuiabá, MT, Brazil;2. Universidade Federal de Rondônia (UNIR), Rolim de Moura, RO, Brazil;3. Universidade Federal do Vale do São Francisco (UNIVASF), Petrolina, PE, Brazil;4. Departamento de Patologia Animal, FCAV, UNESP - Jaboticabal, SP, Brazil;5. Instituto de Ciências Agrárias da Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Unaí, MG, Brazil;1. Laboratory of Infectious-Contagious Diseases of Domestic Animals, Universidade Federal Rural de Pernambuco, Rua Dom Manoel de Medeiros S/N, 52171-900, Recife, PE, Brazil;2. Laboratory of Microbiology and Imunology, Universidade Federal do Vale do São Francisco, Rodovia BR-407 – Km12, 56300-000, Petrolina, Pernambuco, Brazil;3. Laboratory of Animal Protozoology, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, PR445 – Km380, 86057-970, Londrina, PR, Brazil;4. Multidisciplinary Center of Barra, Universidade Federal do Oeste da Bahia, Avenida 23 de Agosto S/N, 47100-000, Barra, BA, Brazil;1. University of Veterinary and Pharmaceutical Sciences Brno, Faculty of Veterinary Hygiene and Ecology, Department of Biology and Wildlife Diseases, Palackého tř. 1946/1, 612 42 Brno, Czech Republic;2. Department of Biodiversity, University of Limpopo, Sovenga 0727, South Africa;3. INSERM, UMR_S 1094, Neuroépidémiologie Tropicale, Université de Limoges, 87025 Limoges, France;4. National Reference Centre for Toxoplasmosis, Biological Resource Center for Toxoplasma, Centre Hospitalier Universitaire de Limoges, Limoges, France;5. ARC-Animal Production Institute, Private Bag X2, Irene, 0062, South Africa;1. Instituto Tecnológico El Llano Aguascalientes, Km. 18 Carretera Aguascalientes – San Luis Potosí, El Llano, 20330, Aguascalientes, Mexico;2. SALUVET, Animal Health Department, Faculty of Veterinary Sciences, Complutense University of Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain;3. Livestock Health and Production Institute (ULE-CSIC), 24346, León, Spain;1. Department of Veterinary Medicine, Università degli Studi di Milano, Via Celoria 10, 20133, Milan, Italy;2. SALUVET, Animal Health Department, Faculty of Veterinary Sciences, Complutense University of Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain;3. Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna, Via Celoria 10, 20133, Milan, Italy |
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| Abstract: | The aim of this study was to carry out a seroepidemiological study of anti-T. gondii and anti-N. caninum antibodies in serum samples from sheep intended for human consumption in the Rondônia state, in the Western Brazilian Amazon, and identify possible risk factors associated with seropositivity. The analysis of the 616 sheep serum samples revealed animal-level seroprevalence of T. gondii in the order of 52.4 % and of N. caninum of 60.6 %. Prevalence of co-infections was 33.4 %. The herd-level seroprevalence was 100 % for both the parasites. Applying of multivariate logistic regression analysis, test of the association between seroprevalence of T. gondii infection and the potential predictors showed that feed, fetal malformation, abortion, neurological problems (lambs), presence of rodents were the significant (P < 0.05) predictors. The variables presence of rodents, cats, wild animals and main activity showed statistical association (P < 0.05) with the seroprevalence of N. caninum. Due to the high prevalence of T. gondii and N. caninum found in this study, the absence of specific slaughterhouses for sheep and raw or undercooked sheep meat for human consumption we concluded that sheep can represent an important source of infection for humans. |
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| Keywords: | Western Amazon Prevalence Ovine Brazil |
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