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Long-term molecular surveillance provides clues on a cattle origin for *Mycobacterium bovis* in Portugal

Veterinary Science

Long-term molecular surveillance provides clues on a cattle origin for *Mycobacterium bovis* in Portugal

A. C. Reis, R. Tenreiro, et al.

This fascinating study conducted by Ana C. Reis, Rogério Tenreiro, Teresa Albuquerque, Ana Botelho, and Mónica V. Cunha reveals the intricate dynamics of animal tuberculosis in Portugal. By analyzing a vast collection of isolates from cattle, red deer, and wild boar, researchers have uncovered significant patterns and clusters of disease transmission, emphasizing the livestock-wildlife interplay in managing animal health.

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Playback language: English
Abstract
This study investigated the spatiotemporal dynamics of animal tuberculosis (*Mycobacterium bovis*) in Portugal using a large collection of isolates from cattle, red deer, and wild boar. Genotyping (spoligotyping and MIRU-VNTR) and Bayesian inference identified five ancestral *M. bovis* populations. Analysis revealed a strong association between the oldest population and cattle in the Beja district, suggesting a cattle origin for the epidemics. Two significant spatiotemporal clusters were identified, one cattle-dominated in Beja (2004-2010), and the other wild boar-dominated in Castelo Branco (2012-2016), highlighting the complex interplay between livestock and wildlife in disease transmission.
Publisher
Scientific Reports
Published On
Nov 30, 2020
Authors
Ana C. Reis, Rogério Tenreiro, Teresa Albuquerque, Ana Botelho, Mónica V. Cunha
Tags
animal tuberculosis
Mycobacterium bovis
Portugal
spatiotemporal dynamics
disease transmission
genotyping
livestock

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