Direct production losses and treatment costs from bovine viral diarrhoea virus, bovine leukosis virus, Mycobacterium avium subspecies paratuberculosis, and Neospora caninum

被引:159
作者
Chi, J
VanLeeuwen, JA
Weersink, A [1 ]
Keefe, GP
机构
[1] Univ Guelph, Dept Agr Econ & Business, Guelph, ON N1G 2W1, Canada
[2] Univ Prince Edward Isl, Atlantic Vet Coll, Dept Hlth Management, Charlottetown, PE C1A 4P3, Canada
关键词
bovine viral diarrhoea; enzootic bovine leukosis; Johne's disease; neosporosis; disease cost; spreadsheet model; risk analysis;
D O I
10.1016/S0167-5877(02)00094-6
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
Our purpose was to determine direct production losses (milk loss, premature voluntary culling and reduced slaughter value, mortality loss, and abortion and reproductive loss) and treatment costs (veterinary services, medication cost, and extra farm labour cost) due to four infectious diseases in the Maritime provinces of Canada: bovine viral diarrhoea (BVD), enzootic bovine leukosis (EBL), Johne's Disease (JD), and neosporosis. We used a partial-budget model, and incorporated risk and sensitivity analyses to identify the effects of uncertainty on costs. Total annual costs for an average, infected, 50 cow herd were: JD$ 2472; BVD$ 2421; neosporosis $ 2304; EBL$ 806. The stochastic nature of the proportion of infected herds and prevalence of infection within a herd were used to estimate probability distributions for these ex post costs. For all diseases, these distributions were right skewed. A sensitivity analysis showed the largest effect on costs was due to milk yield effects. For example, changing milk production loss from 0 to 5% for BVD increased the costs for the disease by 266%. (C) 2002 Elsevier Science B.V All rights reserved.
引用
收藏
页码:137 / 153
页数:17
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