Table 1 Distribution of 84 nasolacrimal duct fistulae in 54 offspring of dam J
From: Congenital nasolacrimal duct fistula in Brown Swiss cattle
Animals | No. of affected animals | Nasolacrimal duct fistulae (n = 87) | ||
|---|---|---|---|---|
Left | Right | Bilateral | ||
Pedigree cow J (n = 1) | 1 | 1 | – | – |
Bull B (n = 1)1,2 | 1 | – | – | 1 |
Offspring of bull A (n = 84) | 28 (33.3%) | 5 | 6 | 17 |
Offspring of bull B (n = 105) | 16 (15.2%) | 5 | 3 | 8 |
Offspring of bull C (n = 66) | 2 (3.0%) | 1 | 1 | 0 |
Other direct and indirect | 6 | 2 | 0 | 4 |
offspring of dam J (n = 8) | (75.0%) | |||
Total (n = 265) | 54 (20.4%) | 14 | 10 | 30 |