2025 Winter Test: Genetic Abnormalities
| Primary Breed(s) of Incidence | Genetic Abnormality | Abbreviation / common reference | DNA Test Available |
|---|---|---|---|
| Angus and Angus influenced, Gelbvieh | Arthrogryposis Multiplex | AM | Yes |
| Angus and Angus influenced, Gelbvieh | Neuropathic Hydrocephalus | NH | Yes |
| Angus and Angus influenced, Gelbvieh | Contractual Arachnodactyly | CA | Yes |
| Angus and Angus influenced, Gelbvieh | Osteopetrosis | OS | Yes |
| Angus and Angus influenced | Dwarfism | D2 | Yes |
| Dexter | Bulldog Dwarfism (BD) / Chondrodysplasia | BD1 and BD2 | Yes |
| Hereford | Maple Syrup Urine Disease | MSUD | Yes |
| Hereford | Mandibulofacial Dysostosis | MD | Yes |
| Hereford | Ideopathic Epilepsy | IE | Yes |
| Hereford | Snorter Dwarfism | (none) | No |
| Hereford | Internal Hydrocephalus | Water head | No |
| Hereford | Delayed Blindness | DB | Yes |
| Salers | Beta (β)-Mannosidosis | (none) | Yes |
| Shorthorn, Maine-Anjou, Chianina and Dexter influenced | Pulmonary Hypoplasia with Anasarca | PHA | Yes |
| Shorthorn, Maine-Anjou and Chianina influenced | Tibial Hemimelia | TH | Yes |