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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
  1. 1Bull A had bilateral fistula but is not listed here because he was described elsewhere (Braun et al. [9]).
  2. 2Bull C was no longer alive at the time of this study.