Sheep scab is a disease caused by the mite Psoroptes
ovis, which lives on the skin surface where it feeds. The
faeces produced by the sheep scab mite cause a severe
allergic dermatitis, resulting in the ‘scabby’ lesions which
we associate with the later stages of the disease. Rachel
Mallet at Bimeda discusses how in spite of having four
medicinal active ingredients available with 16 different
brands licensed and available in the UK, they are still
struggling to get this disease under control.

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