Table 5.
Morphological assessment LS means for Exp11
| Treatment extender | SE | P values | ||||||
|---|---|---|---|---|---|---|---|---|
| 0 mM | 51 mM | 102 mM | 205 mM | TRT | TRT × Day | TRT × Season | ||
| Normal, % | 79.6a | 79.8a | 79.8a | 70.6b | 3.3 | <0.001 | <0.001 | 0.077 |
| Proximal droplet, % | 4.0 | 4.0 | 3.5 | 3.4 | 0.3 | 0.295 | 0.071 | 0.038 |
| Distal droplet, % | 5.7 | 6.2 | 6.8 | 6.5 | 1.3 | 0.156 | 0.827 | 0.143 |
| DMR, % | 5.9 | 5.0 | 4.9 | 4.6 | 1.8 | 0.090 | 0.778 | 0.642 |
| Tail abnormality, % | 4.8a | 5.0a | 4.9a | 14.9b | 1.7 | <0.001 | <0.001 | 0.372 |
TRT = betaine concentration in extender; Day = day of semen analysis; Season = season study was conducted in (summer vs. winter); DMR = distal mid-piece retroflection.
1 Columns within rows separated by differing letters are different (P < 0.05) for TRT effect.