Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 495403
Title Infection dynamics and effective control options of tuberculosis in cattle and badgers
Author(s) Aznar Asensio, J.I.; Frankena, K.; Byrne, A.W.; More, S.J.; Jong, M.C.M. de
Event 6th International M. bovis conference, Cardiff, 2014-06-16/2014-06-19
Department(s) Quantitative Veterinary Epidemiology
Publication type Abstract in scientific journal or proceedings
Publication year 2014
Keyword(s) Infection - tuberculosis - cattle - badgers
Abstract In the Republic of Ireland (ROI), bovine tuberculosis (bTB) transmission between badgers and cattle has hindered national eradication efforts in cattle (Good 2006). Additional control measures are needed, either directed against the transmission of infection among badgers, among cows or a combination of both. Mathematical modelling is an essential tool to understand the maintenance and transmission of multiple host diseases as well as to assess the impact of control measures. The objectives of this paper are twofold. Firstly, two simple mathematical models were built to separately estimate the reproduction ratio R for bTB transmission between cattle and between badgers in Ireland with the current control strategies in place (Rcc and Rbb). Secondly, for each species, R under additional control strategies (R1cc and R1bb) will be obtained and the potential effects of new control options will be evaluated. To assess additional control options we postulate that: a) if we apply new control options in badgers (the same can be postulated when control measures are applied in cattle), and R1 bb is < Rbb, then the applied measures will have a positive effect in reducing the R for the system b) if is R1bb <1, then eradication in cattle will be possible if the transmission matrix is “disjunct”, c) otherwise, if the transmission matrix for the system is “separable”, bTB eradication in cattle will only be possible if R1 bb is < (1-Rcc). The outcomes from these models are discussed; these outcomes will help decision makers to optimize future control options for bTB in Ireland.
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