Epidemiological factors and mitigation measures influencing production losses in cattle due to bovine viral diarrhoea virus infection: A meta‐analysis

Beate Pinior, Sebastien Garcia, Jean-Joseph Minviel () and Didier Raboisson ()
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Beate Pinior: Vetmeduni - University of Veterinary Medicine [Vienna]
Sebastien Garcia: IHAP - Interactions hôtes-agents pathogènes [Toulouse] - INRA - Institut National de la Recherche Agronomique - ENVT - Ecole Nationale Vétérinaire de Toulouse - Toulouse INP - Institut National Polytechnique (Toulouse) - UT - Université de Toulouse
Jean-Joseph Minviel: IHAP - Interactions hôtes-agents pathogènes [Toulouse] - INRA - Institut National de la Recherche Agronomique - ENVT - Ecole Nationale Vétérinaire de Toulouse - Toulouse INP - Institut National Polytechnique (Toulouse) - UT - Université de Toulouse
Didier Raboisson: IHAP - Interactions hôtes-agents pathogènes [Toulouse] - INRA - Institut National de la Recherche Agronomique - ENVT - Ecole Nationale Vétérinaire de Toulouse - Toulouse INP - Institut National Polytechnique (Toulouse) - UT - Université de Toulouse

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Abstract: Infection with bovine viral diarrhoea virus (BVDV) is associated with a loss in productivity in cattle farms. Determining which factors influence monetary losses due to BVDV could facilitate the implementation of mitigation measures to reduce the burden of BVDV. Mixed-effect meta-analysis models were performed to estimate the extent to which the costs of mean annual BVDV production losses per animal may be influenced by epidemiological factors such as BVDV introduction risk, initial prevalence, viral circulation intensity and circulation duration (trial 1). Additionally, changes in mean annual BVDV production losses per animal due to specific mitigation measures (i.e., biosecurity, vaccination, testing and culling, cattle introduction or contact with neighbouring cattle herds) were analysed (trial 2). In total, 19 studies were included in the meta-analysis to assess mean annual BVDV production losses. The mean annual direct losses were determined to be euro42.14 per animal (trial 1). The multivariate meta-regression showed that four of the previously mentioned epidemiological factors significantly influenced the mean annual BVDV production losses per animal. Indeed, the per animal costs increased to euro67.19 when these four factors (trial 1) were considered as "high or moderate" compared to "low". The meta-regression analysis revealed that implementation of vaccination and biosecurity measures were associated with an 8%-12% and 28%-29% decrease in BVDV production losses on average, respectively, when simulated herds were compared with or without such mitigation measures (trial 2). This reduction of mean annual BVDV production losses per animal due to mitigation measures was partially counteracted when farmers brought new cattle on to farm or allowed contact with neighbouring cattle herds. The influencing mitigation factors presented here could help to guide farmers in their decision to implement mitigation strategies for the control of BVDV at farm level.

Keywords: biosecurity; economic; epidemiology; eradication; vaccination (search for similar items in EconPapers)
Date: 2019-11
New Economics Papers: this item is included in nep-agr
Note: View the original document on HAL open archive server: https://hal.inrae.fr/hal-03108981v1
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Published in Transboundary and emerging diseases, 2019, 66 (6), pp.2426-2439. ⟨10.1111/tbed.13300⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-03108981

DOI: 10.1111/tbed.13300

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