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Table 2 Semen analysis in a bull homozygous for the 1-bp deletion in the coding sequence of QRICH2

From: A 1-bp deletion in bovine QRICH2 causes low sperm count and immotile sperm with multiple morphological abnormalities

Age of the bull (months) Scrotal circumference (cm) Ejaculate volume (mL) Sperm concentration (109 sperm per mL) Sperm with major defects (%) Motile sperm (%) Viable sperm (%)
14 31 5.0 0.031 97.3 0 na
16 32.5 4.0 0.187 99.6 < 1 na
5.0 0.115 97.9 < 1 na
17 33.5 2.8 0.160 100 0 12
3.0 0.088 98.7 < 1 10.8
20 34.5 4.5 0.214 99.2 0 4.2
4.5 0.360 99.3 < 1 10.4
  1. na not analysed