The threat of tetracycline residues ending up in the bulk tank is one for dairy producers to take seriously. While the legal limit for the drug in milk is 300 ppb in the U.S. and 100 ppb in Canada, there are processors running tests that can detect as little as 10 to 30 ppb – and by some of their standards, that could mean rejecting a load of milk.
Three new factsheets address the causes, prevention and treatment of each of the 3 most common dairy cattle claw lesions: digital dermatitis, sole ulcer and white line lesion. The factsheets are written in plain language, designed to help producers deal with these lesions.
Dr. Dörte Döpfer at the University of Wisconsin, describes the dynamics of digital dermatitis infection as a cycle with 6 distinct stages.
A study conducted on 18 Dutch dairy farms provides insight into how footbaths can go wrong.
Digital Dermatitis (DD), also known as Hairy Foot Warts, Strawberry Foot Rot, Mortellaro’s Disease and Rasperry Heel, has become the most prevalent infectious hoof disorder on many dairy farms. Dr. Paul Greenough, in his book ‘Bovine Laminitis and Lameness’ recommends treatment for animals infected with DD.