Table 3.
Genotyping of the variant Chr26 g. 14404993T>C. Given is the count of individuals by classification for each genotype. All animals with the CC genotype were affected with MD. All parents of affected MD calves had a TC genotype.
| Reporting Herd 1 | TT | TC | CC | Total Animals |
|---|---|---|---|---|
| Founder in either maternal or paternal pedigree | 95 | 50 | 0 | 145 |
| Founder in both maternal and paternal pedigree | 2 | 5 | 2 | 9 |
| No ties to founder | 91 | 0 | 0 | 91 |
| Total Herd 1 | 188 | 55 | 2 | 245 |
| Reporting Herd 2 | ||||
| Founder in either maternal or paternal pedigree | 114 | 35 | 0 | 149 |
| Founder in both maternal and paternal pedigree | 4 | 5 | 1 | 10 |
| No ties to founder | 239 | 0 | 0 | 239 |
| Total Herd 2 | 357 | 40 | 1 | 398 |
| Other | ||||
| Founder in either maternal or paternal pedigree | 13 | 20 | 0 | 33 |
| Founder in both maternal and paternal pedigree | 48 | 37 | 2 | 87 |
| No ties to founder | 18 | 0 | 0 | 18 |
| Animal is founder | 0 | 1 | 0 | 1 |
| Total Other Genotypes | 79 | 58 | 2 | 139 |
| Total Animals Genotyped | 624 | 153 | 5 | 782 |