Abstract

BULLA-CASTANEDA, Diana María; DIAZ-ANAYA, Adriana María; GARCIA-CORREDOR, Diego José  and  PULIDO-MEDELLIN, Martín Orlando. Serodiagnosis of Paratuberculosis in cattle of the municipality of Sogamoso, Boyacá (Colombia). Entramado [online]. 2020, vol.16, n.2, pp.312-320.  Epub Jan 22, 2021. ISSN 1900-3803.  https://doi.org/10.18041/1900-3803/entramado.2.6758.

Bovine Paratuberculosis (BPT), or Johne's Disease, is an infection of the gastrointestinal tract caused by Mycobacterium avium, subspecies paratuberculosis (Map), which is characterized by chronic granulomatous enteritis and lymphadenitis in ruminants. The most relevant concern regarding the importance of BPT is its possible link to Crohn's disease (CD) in humans, however this association is still under investigation. The seroprevalence of BPT was determined in the municipality of Sogamoso (Boyacá), where 604 blood samples were collected, their serum was processed by the indirect ELISA technique with the commercial PARACHEK® 2 KIT (Prionics, Switzerland), following the manufacturer's instructions. The seroprevalence was 10,9% (66/604), with the 2 to 3 years age group and the Jersey breed having the highest seroprevalence. A significant statistical association was found (p≤0,05) with the age of the individuals tested and the supply of concentrate. The seroprevalence found indicates that active transmission of the disease is taking place, and that the available control measures are not being carried out or are not effective enough.

Keywords : Paratuberculosis; Mycobacterium avium subsp , paratuberculosis; Enzyme-Linked Immunosorbent Assay; Cattle (DeCS).

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