Table 6.
Morphological assessment LS means for Exp21
| Treatment extender | SE | P values | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| ST0 | ST70 | BSA0 | BSA70 | LT0 | LT70 | BET | BET × EXT | BET × Day | ||
| Normal, % | 84.6 | 83.9 | 91.1 | 91.1 | 86.5 | 87.4 | 2.8 | 0.942 | 0.487 | 0.178 |
| Proximal droplet, % | 5.0 | 4.7 | 1.0 | 0.9 | 2.8 | 2.9 | 1.2 | 0.723 | 0.898 | 0.687 |
| Distal droplet, % | 4.8 | 5.3 | 4.0 | 3.7 | 5.1 | 4.6 | 1.4 | 0.745 | 0.329 | 0.755 |
| DMR, % | 1.2 | 1.1 | 0.6 | 0.8 | 1.1 | 1.1 | 0.7 | 0.817 | 0.661 | 0.929 |
| Tail, % | 4.6 | 5.1 | 3.2 | 3.4 | 4.4 | 4.1 | 1.7 | 0.745 | 0.713 | 0.207 |
ST0 = short-term 0 mM; ST70 = short-term 70 mM; BSA0 = long term with bovine serum albumin 0 mM; BSA70 = long term with bovine serum albumin 70 mM; LT0 = long-term 0 mM; LT70 = long-term 70 mM; BET = betaine concentration in extender; EXT = extender type; Day = day of semen analysis; DMR = distal mid-piece retroflection.
1 Columns within rows separated by differing letters are different within Ext (ST, LA, LB; P < 0.05) for Bet × Ext effect.