Mapping risk foci for endemic sheep scab

Rose, Hannah; Learmount, Jane; Taylor, Mike; Wall, Richard

doi:10.1016/j.vetpar.2009.06.037

Cited by 36 publications

(47 citation statements)

References 18 publications

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“…The percentages of farms affected elsewhere in England were substantially lower and similar across all four regions, at 3-6% (Bisdorff et al, 2006). The findings of further questionnaire surveys have supported this strongly regional pattern and shown a particularly high incidence of scab in Wales: Rose et al (2009) reported a cumulative annual incidence of 8.6% in the U.K. and a prevalence in Wales of 24.2%. A study by Cross et al (2010), which used a face-to-face interview-based methodology, reported that 36.5% of sheep farmers in Wales experienced at least one outbreak of scab over a 5-year period.…”

Section: Introductionmentioning

confidence: 64%

“…The 2015 scab outbreak prevalence of 15.8% reported here is similar to those identified in previous retrospective questionnaire studies conducted in Wales (Bisdorff et al ., ; Rose et al ., ), although all of these studies show prevalences considerably lower than the 36% reported by Cross et al . ().…”

Section: Discussionmentioning

confidence: 97%

“…(). The data suggest that although the prevalence of scab in Wales (16.0% in this study) is higher than the U.K. national average [9% (Bisdorff et al ., ), 8.6% (Rose et al ., )], it does not appear to have continued to increase over the 10 years since the last similar survey. Furthermore, the proportions of farmers reporting scab outbreaks in 2015 (15.8%) and in the previous 10 years (29.0%) were similar in this study.…”

Section: Discussionmentioning

confidence: 97%

“…The findings of further questionnaire surveys have supported this strongly regional pattern and shown a particularly high incidence of scab in Wales: Rose et al . () reported a cumulative annual incidence of 8.6% in the U.K. and a prevalence in Wales of 24.2%. A study by Cross et al .…”

Section: Introductionmentioning

confidence: 99%

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The prevalence and distribution of sheep scab in Wales: a farmer questionnaire survey

Chivers

Vineer

Wall

2018

Medical Vet Entomology

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Outbreaks of ovine psoroptic mange in the U.K. have increased 100-fold since its deregulation in 1992, with the highest prevalence in Wales, a region of high sheep density. A cross-sectional, retrospective, questionnaire-based survey of 7500 members of the association of Welsh lamb and beef farmers [Welsh Lamb and Beef Producers Ltd (WLBP)] was used to investigate the prevalence and distribution of sheep scab in this region in 2015. The survey was completed by 14.0% (n = 972) of potential respondents. Scab outbreaks were reported on 15.8% (n = 154) of farms in 2015. However, 29.0% (n = 282) of farms reported at least one scab outbreak and 2.4% (n = 23) of farms had experienced between six and 10 outbreaks in the previous 10 years. Most outbreaks occurred during September-January (83.0%, n = 150), and were clustered around Brecon (mid-Wales) and Bangor (North Wales). Farmers who used common grazing were significantly more likely to report scab outbreaks in the previous 10 years than farmers who did not. No quarantine procedures for sheep bought in were used by 29.0% (n = 262) of farmers. Future research should be directed towards the development of localized management programmes, with a particular focus on areas of common grazing.

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Section: Introductionmentioning

confidence: 64%

Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

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The prevalence and distribution of sheep scab in Wales: a farmer questionnaire survey

Chivers

Vineer

Wall

2018

Medical Vet Entomology

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“…SHEEP scab became a common cause of animal suffering and production loss in British sheep flocks leading up to and following the deregulation of its statutory control in 1992 (Rose and others 2009). Failure to recognise and treat the disease promptly, or improper treatment of affected groups, compromises animal welfare.…”

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confidence: 99%