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Digital dermatitis present on sheep and cattle hoof blades
Horse having hoof trimmed
Digital dermatitis was found on 100 per cent of sheep blades.
Research uncovers a possible method of bacteria transfer between cows

New research has revealed a possible method for the transfer of digital dermatitis (DD) between cows and farms.

Scientists at the University of Liverpool have discovered that DD was present on hoof knives used on cattle and sheep following trimming.

The project investigated if DD Treponeme, the bacteria type now widely accepted as responsible for the skin infection, can be present on equipment used to trim hooves. Digital dermatitis is an ulcerative lesion that causes lameness in cattle. It is known that this bacteria causes skin infection by entering into the hair follicle but less is known about how the bacteria survives and is transmitted in the environment.

The research team, led by Dr Nicholas Evans and Professor Stuart Carter of the University of Liverpool in collaboration with veterinarian Roger Blowey, tested trimming equipment used on cattle and sheep with digital dermatitis before and after it was disinfected. After trimming, DD was present on 97 per cent of cattle blades and 100 per cent of sheep blades. This was reduced to 29 per cent and 46 per cent respectively after disinfection.

Dr Evans said; "It has long been considered that digital dermatitis was spread in slurry, which we have some evidence for and are continuing to investigate, but now, for the first time, we have discovered the digital dermatitis bugs in the farm environment. However, the high detection rate of digital dermatitis bacteria on trimming blades soon after trimming cattle and sheep hooves from DD cases suggests this may be a significant and worrying route for the transmission of this infectious condition."

Dr Jenny Gibbons, DairyCo research and development manager, added: “This DairyCo and EBLEX-funded study could help farmers, vets and hoof trimmers to understand more about the transmission of digital dermatitis between cows and farms. A logical precaution to limit the spread is to disinfect hoof trimming equipment between animals and between farms.”

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RCVS Knowledge appoints Veterinary Evidence editor-in-chief

News Story 1
 RCVS Knowledge has welcomed Professor Peter Cockcroft as editor-in-chief for Veterinary Evidence.

A world-renowned expert in evidence-based veterinary medicine, Prof Cockcroft will lead the strategic development and editorial quality of the open-access journal. He was previously in the role from 2017-2020.

Katie Mantell, CEO of RCVS Knowledge, said: "We are excited about the extensive knowledge of evidence-based veterinary medicine and clinical veterinary research that Peter brings, and we look forward to working with him over this next phase of the journal's development." 

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Defra to host bluetongue webinar for vets

The Department for Environment, Food and Rural Affairs (Defra) will be hosting a webinar for veterinary professional on bluetongue on Thursday, 25 April 2024.

Topics covered will include the transmission cycle, pathology and pathogenesis, clinical signs (including signs seen in recent BTV-3 cases in the Netherlands), and control and prevention.

The session, which will take place from 6pm to 7.30pm, is part of Defra's 'Plan, Prevent and Protect' webinar series, which are hosted by policy officials, epidemiologists and veterinary professionals from Defra and the Animal and Plant Health Agency. The bluetongue session will also feature insights from experts from The Pirbright Institute.

Those attending will have the opportunity to ask questions. Places on the webinar can be booked online.