Claw lesions, such as those due to digital dermatitis (DD, hairy heel warts, Figure 1), are a serious problem in dairy cattle herds worldwide and often cause lameness. Treatments for DD include a large variety of products, used at both the herd level and the individual level, and these often involve the application of antibiotics.

Claw lesions, such as those due to digital dermatitis (DD, hairy heel warts, Figure 1), are a serious problem in dairy cattle herds worldwide and often cause lameness.