Tuberculosis in cattle: the results of the four-area project

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Title: Tuberculosis in cattle: the results of the four-area project
Authors: Griffin, John M.
More, Simon John
Clegg, Tracy A.
et al.
Permanent link: http://hdl.handle.net/10197/5778
Date: 2005
Abstract: The four-area project was undertaken to further assess the impact of badger removal on the control of tuberculosis in cattle herds in Ireland. It was conducted between 1997 and 2002 in matched removal and reference areas in four counties, namely Cork, Donegal, Kilkenny and Monaghan, representing a wide range of Irish farming environments. In the removal areas, a proactive programme of badger removal was conducted, on two or three occasions each year, whereas in the reference areas, badger removal was entirely reactive following severe outbreaks of tuberculosis amongst cattle. A detailed statistical analysis of this study has already been presented by Griffin et al. [13]; this paper presents further, mainly descriptive, findings from the study. In total, 2,360 badgers were captured in the removal areas of which 450 (19.5%) were considered positive for tuberculosis and 258 badgers were captured in the reference areas, with 57 (26.1%) positive for tuberculosis. The annual incidence of confirmed herd restrictions was lower in the removal area compared to the reference area in every year of the study period in each of the four counties. These empirical findings were consistent with the hazard ratios found by Griffin et al. [13]. Further, the effect of proactive badger removal on cattle tuberculosis in the four-area project and in the earlier east-Offaly project, as measured using the number of reactors per 1,000 cattle tested, were very similar, providing compelling evidence of the role of badgers in the epidemiology of tuberculosis in Irish cattle herds. The validity of the four-area project was discussed in detail. Efforts to minimise badger-to-cattle transmission in Ireland must be undertaken in association with the current comprehensive control programme, which has effectively minimised opportunities for cattle-to-cattle transmission.
Type of material: Journal Article
Publisher: Springer (Biomed Central Ltd.)
Copyright (published version): 2005 the author(s)
Keywords: Badger removal;Bovine tuberculosis
DOI: 10.1186/2046-0481-58-11-629
Language: en
Status of Item: Peer reviewed
Appears in Collections:Veterinary Medicine Research Collection
CVERA Research Collection

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