Table 4. Effect of long term dietary CLA supplementation on sperm kinetics1.
Item | CON2 | CLA 0.5%3 | CLA 1%4 | SEM | P-value |
---|---|---|---|---|---|
Motility, % | 79.10 | 84.65 | 79.57 | 1.62 | 0.07 |
Progressive motility, % | 60.52a | 65.82a | 52.30b | 1.78 | <0.01 |
DAP, μm5 | 28.81a | 29.70a | 26.86b | 0.63 | 0.04 |
DCL, μm6 | 58.93 | 57.77 | 55.35 | 2.04 | 0.39 |
DSL, μm7 | 22.27ab | 23.30a | 21.05b | 0.52 | 0.05 |
VAP, μm/s8 | 65.21 | 67.58 | 62.74 | 2.02 | 0.25 |
VCL, μm/s9 | 132.51 | 130.83 | 125.14 | 4.73 | 0.45 |
VSL, μm/s10 | 50.55 | 53.16 | 48.73 | 1.44 | 0.13 |
STR,%11 | 0.77 | 0.77 | 0.77 | 0.01 | 0.97 |
LIN,%12 | 0.38 | 0.40 | 0.40 | 0.01 | 0.54 |
WOB,%13 | 0.49 | 0.51 | 0.51 | 0.01 | 0.29 |
ALH, μm14 | 4.78 | 4.75 | 4.77 | 0.17 | 0.99 |
BCF, Hz15 | 31.14a | 31.05a | 29.20b | 0.52 | 0.05 |
1Values are least square mean, n = 4 samples/group, semen was collected twice/week for 7 successive weeks
2Control group receiving basal diet supplemented with 1% oleic acid
3Group receiving diet supplemented with 0.5% CLA and 0.5% Oleic acid
4Group receiving diet supplemented with 1% CLA
5 Distance average path
6distance curved line
7 distance straight line
8 velocity average path
9velocity curved line
10 velocity straight line
11 straightness track
12 linearity = VSL/VCL
13 wobble = VAP/VCL
14amplitude of lateral head displacement
15 beat cross frequency.
Different superscript letters denote P ≤ 0.05 between treatments.