Genetic abnormalities are present in all breeds of cattle. See attached link by Bob Weaber, Ph.D. from 2009
http://www.extension.org/pages/23448/managing-genetic-defects-in-beef-cattle#.VCdWFfldVfs
As per some association websites.
Angus
1. Arthrogryposis Multiplex (AM) (Curly Calf Syndrome)
2. Double Muscling (DM)
3. Dwarfism (DW)
4. Contractural Arachnodactyly (CA) (Fawn Calf Syndrome)
5. Heterochromia Irides (HI) (White Eye)
6. Hypotrichosis (HY)
7. Mannosidosis (MA)
8. Neuropathic Hydrocephalous (NH)
9. Osteopetrosis (OS)
10. Protoporphyria (PR)
11. Pulmonary Hypoplasia (PH)
12. Syndactyly (SN)
13. Tibial Hemimelia (TH)
14. Developmental Duplication (DD)
Hereford
1. Idiopathic Epilepsy (IE)
2. Hypotrichosis
3. Dwarfism (DW)
Maine Anjou
1. Tibial Hemimelia (TH)
2. Pulmonary Hypoplasia (PH)
Shorthorn
1. Tibial Hemimelia (TH)
2. Pulmonary Hypoplasia (PH)
3. Digital subluxation (DS)
Simmental
1. Arthrogryposis Multiplex (AM) (Curly Calf Syndrome)
2. Neuropathic Hydrocephalous (NH)
3. Osteopetrosis (OS)
4. Pulmonary Hypoplasia (PH)
5. Tibial Hemimelia (TH)
6. Dwarfism (DW1)
7. Idiopathic Epilepsy (IE)