Human diseases and their parallels in companion animals: A partial summary.
| Disease category or organ system | Specific disease | Species with recognized naturally occurring correlate | References |
| Cancer | Non-Hodgkin’s lymphoma | Dogs, cats | (7, 12) |
| Osteosarcoma | |||
| Mammary carcinoma | |||
| Melanoma | |||
| Soft tissue sarcoma | |||
| Musculoskeletal | Chronic osteoarthritis | Dogs, horses, rabbits | (23, 53, 54) |
| Tendon injuries | Horses | (55) | |
| Cruciate ligament injury | Dogs | (56) | |
| Mandibular reconstruction | Dogs | (35, 36) | |
| Spinal cord injury and disorders | Intervertebral disk herniation | Dogs | (27) |
| Neural tube defects | Dogs | (29) | |
| Genetic | Hemophilia | Dogs | (57) |
| Narcolepsy | Dogs | (58) | |
| SCID X-linked | Dogs, horses | (59) | |
| Cleft palate | Dogs | (60) | |
| Duchenne muscular dystrophy | Dogs | (61) | |
| Lysosomal storage disease | Dogs, cats, cows, sheep goats | (62) | |
| Skeletal disorders | Horses | (63) | |
| Eye | Keratoconjunctivitis sicca | Dogs | (24) |
| Immune or inflammatory | Inflammatory bowel disease | Dogs, cats | (64, 65) |
| Chronic gingivostomatitis | Cats | (41) | |
| Cardiovascular | Dilated cardiomyopathy | Dog | (47) |
| Hypertrophic cardiomyopathy | Cats | (44) | |
| Arythmogenic right ventricular cardiomyopathy | Dogs | (46) |