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首页> 外文会议>Meeting of the Society for Veterinary Epidemiology and Preventive Medicine >UNDERSTANDING THE INFECTIOUS AETIOLOGY OF FOOTROT IN SHEEP: OPTIMISING INTERVENTIONS TO MINIMISE DISEASE
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UNDERSTANDING THE INFECTIOUS AETIOLOGY OF FOOTROT IN SHEEP: OPTIMISING INTERVENTIONS TO MINIMISE DISEASE

机译：了解绵羊中足特征的传染病学：优化干预措施以最大限度地减少疾病

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A 'Best Practice' pilot leaflet to minimise footrot (FR) was drawn up and sent to farmers. Farmers were asked whether they would adopt the recommendations. Approximately 90% of farmers replied that they would adopt some of the recommendations. In 2003a follow up study was conducted and these farmers were asked to estimate the level of footrot in their flock in 2002, what treatment and control methods they were using and when they first started these practices. Approximately 80% of farmers had been using the same control practices for at least five years. Those that routinely trimmed their sheep's feet reported a high prevalence of FR in 2002 and a dose response of more trimmings related to a higher prevalence of FR was still present. Individual treatment was still highly successful. From 2002-3 a cohort study monitored FR levels together with individual and flock control practices on 7 farms through visits and farmer data collection. Analysis of one of these farms where individual records were collected indicated that certain sheep and feet were more prone to footrot. Sheep that had had interdigital dermatitis were four times as likely to present with FR 1-2 months later. A binomial mixed effect model with presence of footrot or ID as the dependent variable indicated that the amount of FR and ID in the flock in the previous 4 and 6 weeks influenced the occurrence of FR and ID at any time interval. Routine foot trimming significantly increased the risk of FR and ID and treatment (parenteral antibiotic injection together with foot trimming) reduced the risk of FR and ID four weeks later. Trimming diseased feet without parenteral antibiotic increased the risk of FR/ID four weeks later. It was concluded that FR / ID are infectious diseases and thatmanagement must take this into account. Individual treatment of diseased sheep is recommended to control FR in the whole flock. Routine foot trimming should be avoided.
机译：一个“最佳实践”试点传单，以最大限度地减少足迹（FR）并送到农民。询问农民是否会采用这些建议。大约90％的农民回答说，他们将采用一些建议。在2003年，进行了后续研究，这些农民被要求在2002年估计其群中的足弓，他们使用的治疗和控制方法以及他们首次启动这些做法时。大约80％的农民已经使用了相同的控制实践至少五年。常规修剪他们的绵羊脚的人报告了2002年FR的普遍存在，并且仍然存在与较高的FR患病率相关的更多饰品的剂量反应。个体治疗仍然非常成功。从2002 - 3中，队列研究通过访问和农民数据收集，在7个农场上与个人和群体控制实践一起监测FR水平。收集各个记录的农场中的一个分析表明某些绵羊和脚更容易发生足弓。患有叉状皮炎的绵羊是在1-2个月以后呈现的4倍。具有足够的脚壳或ID的二进制混合效果模型，因为依赖变量表明，前4和6周内羊群中的FR和ID的量影响了任何时间间隔的FR和ID的发生。常规脚修剪显着提高FR和ID的风险和治疗（肠胃外抗生素注射与脚修剪一起）降低了四周后的FR和ID的风险。修剪患病的脚没有肠外抗生素在四周后增加FR / ID的风险。它的结论是，FR / ID是传染病，并且该管理人员必须考虑到这一点。建议在整个羊群中控制患病绵羊的个体治疗。应避免常规脚修剪。

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