Around the edge of the femoral condyles is a wide band of cartilage and bone, derived by hyperplasia and metaplasia of the synovium. There is also an area of cartilage erosion on one of the femoral condyles. This is a hip joint of a dairy cow with a history of chronic lameness, stiffness and difficulty in rising. There is fibrous thickening of the joint capsule and synovial hyperplasia with periarticular osteophytes. There is erosion and ulceration of the articular cartilage and exposure of eburnated, subchondral bone.
Osteophytes are present on the ventrolateral surfaces of vertebral bodies. . .