Ch. 1. Introduction -- Ch. 2. Osteochondrosis of the humeral head -- Ch. 3. Elbow dysplasia -- Ununited anconeal process (UAP) -- Medial coronoid process disease (MCPD) -- Osteochondrosis of the medial aspect of the humeral condyle -- Ch. 4. Retained cartilage core -- Ch. 5. Hip dysplasia -- Ch. 6. Lumbosacral disease -- Ch. 7. Osteochondrosis of the femoral condyle -- Ch. 8. Osteochondrosis of the talus -- Ch. 9. Bone dysplasias in the Labrador Retriever: A radiographic study -- Ch. 10. Schemes for control of disease.