Table 4. Characteristics of sperm motility in the frozen-thawed capercaillie semen depending on freezing method (means ± SD).
Male’s number | Freezing methods | No of samples | Motile sperm [%] | Motility parameters | ||||
---|---|---|---|---|---|---|---|---|
VCL [µm s-1] | VSL [µm s-1] | VAP [µm s-1] | LIN [%] | ALH [µm] | ||||
51 | pellets | 12 | 31.0 ab ±13.5 x | 44.3 bc ±6.5 | 15.3c±1.3 x | 25.4b±3.8 | 34.9 bcd ±2.4 x | 3.5 a ±1.4 x |
straws | 54.5 a ±11.9 y | 39.7 c ±5.5 | 20.3 ab ±5.4 y | 27.8 ab ±4.8 | 51.5 a ±13.1 y | 2.5 a ±0.5 y | ||
58 | pellets | 9 | 13.9 c ±8.6 x | 41.0 cd ±3.9 | 17.4 b ±2.6 | 26.4 b ±3.3 | 40.1 b ±6.3 | 2.1 cd ±0.3 |
straws | 33.3 b ±12.5 y | 40.6 c ±2.2 | 18.7 bc ±4.0 | 26.3 abc ±2.4 | 44.0 b ±9.7 | 2.6 a ±1.0 | ||
9 | pellets | 8 | 41.7 a ±21.2 x | 53.2 a ±10.7 x | 19.6 a ±3.2 x | 31.9 a ±5.1 x | 39.1 bc ±11.2 | 2.9 b ±0.7 x |
straws | 53.3 a ±13.3 y | 42.1 bc ±4.3 y | 16.2 cd ±1.3 y | 25.5 bc ±2.8 y | 37.8 c ±8.2 | 2.3 ab ±0.4 y | ||
49 | pellets | 11 | 38.1 ab ±15.8 x | 45.4 bc ±5.9 | 14.5 c ±1.2 | 25.6 b ±2.8 | 33.9 cd ±3.2 | 2.7 b ±0.4 |
straws | 55.0 a ±11.9 y | 44.5 b ±5.5 | 14.7 d ±1.3 | 25.2 bc ±3.2 | 34.7 c ±2.4 | 2.6 a ±0.4 | ||
67 | pellets | 8 | 29.0 b ±10.8 | 47.7 b ±3.8 | 16.0 bc ±1.0 | 27.0 b ±1.5 | 36.2 bcd ±4.9 | 2.7 b ±0.2 |
straws | 39.2 b ±14.0 | 48.5 a ±4.3 | 15.8 d ±1.2 | 27.4 ab ±2.0 | 33.9 c ±4.2 | 2.8 a ±0.3 | ||
72 | pellets | 12 | 9.0 c ±5.0 x | 39.7 de ±4.7 | 11.8 d ±0.8 x | 21.2 c ±1.5 | 32.3 d ±4.3 | 2.4 bc ±0.4 |
straws | 33.1 b ±12.8 y | 41.8 bc ±4.0 | 14.4 d ±1.6 y | 23.8 c ±2.8 | 36.0 c ±2.0 | 2.5 a ±0.2 | ||
79 | pellets | 9 | 15.7 c ±8.7 x | 35.8 e ±1.3 x | 20.2 a ±3.0 | 25.6 b ±2.2 x | 53.1 a ±6.3 | 1.7 d ±0.2 |
straws | 38.0 b ±15.6 y | 42.9 bc ±2.1 y | 22.3 a ±3.6 | 28.6 a ±2.8 y | 50.4 a ±7.8 | 2.0 b ±0.2 | ||
Total/Average | pellets | 69 | 27.4±16.5 x | 43.9±7.5 | 16.3±3.3 | 26.1±4.0 | 38.3±8.5 | 2.6±0.7 |
straws | 46.3±15.9 y | 43.1±4.7 | 17.4±3.9 | 26.4±3.2 | 40.9±9.7 | 2.5±0.5 |
a,b,c,d,e—means in columns for the same freezing method followed by different superscripts differ significantly [P<0.05];
x,y—means in columns for the same male indicate significant differences between freezing method [P<0.05].