Is rarely reported but causes lesions are distributed over the head, dorsum, neck and chest. Cattle that stand for long periods in deep water and mud develop lesions over the flexor surfaces of the joints. Dairy cows may develop lesions on the udder. | Is rarely reported but causes lesions are distributed over the head, dorsum, neck and chest. Cattle that stand for long periods in deep water and mud develop lesions over the flexor surfaces of the joints. Dairy cows may develop lesions on the udder. |