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Abanico veterinario

versão On-line ISSN 2448-6132versão impressa ISSN 2007-428X


OSUNA-CHAVEZ, Reyna et al. Seroprevalence of Mycobacterium avium subspecie paratuberculosis in suspect cattle slaughtered at slaughterhouse from Sonora, Mexico. Abanico vet [online]. 2021, vol.11, e403.  Epub 08-Nov-2021. ISSN 2448-6132.

Paratuberculosis is an infectious-contagious disease caused by the bacterium Mycobacterium avium subspecie paratuberculosis (MAP), which affects the digestive tract of ruminants. MAP is distributed worldwide; however, there are no publications on the seroprevalence of this disease in cattle in Sonora State. Therefore, the objective of this study was to detect MAP seropositivity in cattle in Sonora, as well as to know its apparent prevalence in a population of adult cattle with emaciation and cachexia. Three hundred and eighty-five serum samples were analyzed from 370 female and 15 male cattle, older than 3 years, born in the state with signs of emaciation and cachexia. Data were collected on age, breed, zootechnical purpose and municipality of origin. The zootechnical purpose of the animals was mostly dual-purpose cattle with 84.93% (370/385). The samples were processed using the commercial ELISA test. The results show an apparent seroprevalence of 2.08% (8/385) and municipalities that presented seropositive animals were Hermosillo with 3 samples, as well as Guaymas, Huachinera, Ures, Villa Pesqueira and Fronteras, with one sample each. The present study demonstrates for the first time seropositivity to Mycobacterium avium subspecies paratuberculosis in cattle in Sonora. In addition to a low apparent seroprevalence in the cattle population sampled. The presence of MAP in Sonora, which could be considered a neglected disease, highlights the need to know its possible role in public health in Mexico.

Palavras-chave : Seroprevalence; Mycobacterium avium subspecie paratuberculosis; Sonora.

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