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Table 1 Sperm motility parameters (mean ± SD) measured by computer assisted sperm analysis in semen from beef to dairy bulls (n = 37)

From: Sperm quality in frozen beef and dairy bull semen

Parameters Beef (n = 17) Dairy (n = 20) Significance
Motility (%) 64 ± 14 59 ± 14 NS
Progressive motility (%) 58 ± 13 55.6 ± 14 NS
Hyperactivity (%) 6 ± 3 11 ± 5 P < 0.01
VAP (μm/s) 52 ± 4 65 ± 8 P < 0.001
VCL (μm/s) 87 ± 8 128 ± 18 P < 0.001
VSL (μm/s) 39 ± 3 45 ± 7 P < 0.01
STR 0.75 ± 0.03 0.70 ± 0.05 P < 0.001
LIN 0.44 ± 0.02 0.35 ± 0.04 P < 0.001
WOB 0.59 ± 0.01 0.50 ± 0.03 P < 0.001
ALH (μm) 4.1 ± 0.6 4.98 ± 0.5 P < 0.001
BCF (Hz) 23 ± 1.4 22 ± 2.5 NS
  1. NS not significant (P > 0.05)