Table 1 Results from breeding studies A and B, including 262 and 363 cows, respectively showing the ratio between phaenotypically normal calves and calves having complex vertebral malformation (CVM).
From: Evaluation of the Inheritance of the Complex Vertebral Malformation Syndrome by Breeding Studies
| Study |
No. of calves examined by breeder |
No. of calves examined by necropsy | Total | |
|---|---|---|---|---|
| Stillborn, normal | A | 14 | 8 | 22 |
| B | 6 | 19 | 25 | |
| Died day 1–7, normal | A | 0 | 3 | 3 |
| B | 0 | 1 | 1 | |
| CVM affected | A | 5 | 10 | 15 |
| B | 3 | 8 | 11 | |
| Alive 7 days old, normal | A | 226 | 0 | 226 |
| B | 343 | 2 | 345 | |
| Total | A | 245* | 21 | 266 |
| B | 352# | 30 | 382 |
