Skip to main content

Table 2 Height and length of 85 nasolacrimal duct fistulae in 52 cattle 1 (median, range)

From: Congenital nasolacrimal duct fistula in Brown Swiss cattle

  Height (mm) Length (mm)
Animals Left Right Left Right
Pedigree cow J (n = 1) 2 n = 1 5 n = 1
Bull B (n = 1)2,3 1 n = 1 1 n = 1 1 n = 1 1 n = 1
Offspring of bull A (n = 26) 2 (1 – 5) n = 20 2 (1 – 10) n = 21 2 (1 – 10) n = 20 2 (1 – 12) n = 21
Offspring of bull B (n = 16) 1 (1 – 3) n = 13 1 (1 – 2) n = 11 1 (1 – 3) n = 13 1 (1 – 3) n = 11
Offspring of bull C (n = 2) 1 n = 1 2 n = 1 1 n = 1 2 n = 1
Other direct and indirect offspring of dam J (n = 6) 2 (1 – 8) n = 6 2 (1 – 7) n = 4 2 (1 – 4) n = 6 2 (1 – 5) n = 4
Total (n = 52) 1 (1 – 8) n = 42 1 (1 – 10) n = 38 2 (1 – 10) n = 42 2 (1 – 12) n = 38
  1. 1Four fistulae of two daughters of bull A could not be measured for technical reasons.
  2. 2Bull A had bilateral fistula but is not listed here because he was described elsewhere (Braun et al. [9]).
  3. 3Bull C was no longer alive at the time of this study.