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Table 1 Kinetic parameters (CASA) of pre-freezing and post-thawing ram sperm for two freezing methods

From: Effect of controlled and uncontrolled cooling rate on motility parameters of cryopreserved ram spermatozoa

 

Pre-freezing

Post-thawin

RR. for TM

RR. for PM

 

TM (%)

PM (%)

TM (%)

PM (%)

VSL (μm/s)

VAP (μm/s)

VCL (μm/s)

LIN (%)

  

Method 1

83.2 ± 8.2a

73.1 ± 13.5a

74.6 ± 7.8a

53.9 ± 10.5a

96.1 ± 44.4a

107.3 ± 40.5

158.6 ± 51.8a

60.59 ± 19

0.89

0.74

Method 2

79.1 ± 8.0b

64.8 ± 12.5b

61.2 ± 11.1b

46.1 ± 6.7b

78.4 ± 18.4b

91.1 ± 20.3

133.0 ± 28.3b

58.9 ± 9

0.77

0.71

  1. a,b Different superscripts within columns are significantly differ.
  2. VSL (straight linear velocity, μm/s), VCL (curvilinear velocity, μm/s), VAP (average path velocity, μm/s), LIN = VSL/VCL × 100 (linearity, %), RR (recovery rate), TM (total motility) and PM (progressives motility).