The bovine tuberculosis cluster in north County Sligo during 2014-16

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Title: The bovine tuberculosis cluster in north County Sligo during 2014-16
Authors: Doyle, Robert
Clegg, Tracy A.
McGrath, Guy
Tratalos, Jamie
More, Simon J.
et al.
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Date: 28-Nov-2018
Online since: 2019-05-28T13:29:47Z
Abstract: Background: Bovine tuberculosis (bTB, caused by infection with Mycobacterium bovis) is endemic in the Irish cattle population, and the subject of a national eradication programme since the late 1950s. During 2014, a substantial area-level bTB outbreak developing in north County Sligo, necessitating the need for an enhanced response. This paper describes this outbreak, the response that was undertaken and some lessons learned. Results: In the north Sligo area between 2014 and 2016, 23 (31.9%) of restricted herds had 4 or more reactors to the single intradermal comparative tuberculin test (SICTT)/animals with bTB lesions disclosed during the restriction, and the majority (55.5%) of test-positive animals were identified as standard reactors to the SICTT. The herds restricted during 2014–16 were typically larger than other herds in the study area and introduced more animals during 2013. M. bovis was also detected in local badgers, but not deer. Conclusion: This paper describes a substantial outbreak in north County Sligo over a 3-year period. A coordinated area-based approach was a key feature of the outbreak, and substantial resources were applied to bring the outbreak under control. No definitive source was identified, nor reasons why a substantial number of herds were infected over a relatively short period. A coordinated regional approach was taken, and a number of lessons were learned including the need for urgency, for a team-based approach, for a consistent message when dealing with the public, for an area-based approach, for a degree of flexibility for the breakdown manager, and for molecular tools to assist in answering key questions relating to the source and spread of M. bovis to many herds during this bTB outbreak.
Funding Details: Department of Agriculture, Food and the Marine
Type of material: Journal Article
Publisher: BioMed Central
Journal: Irish Veterinary Journal
Volume: 71
Issue: 24
Start page: 1
End page: 15
Copyright (published version): 2018 the Authors
Keywords: Bovine tuberculosisIrelandControlEradicationOutbreakCoordination
DOI: 10.1186/s13620-018-0135-z
Language: en
Status of Item: Peer reviewed
Appears in Collections:Veterinary Medicine Research Collection

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