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Individual bull sperm morphology in fresh and freeze-thawed samples.
| Fresh | Post-thaw | |||
|---|---|---|---|---|
| n | % | n | % | |
| Normal | 175 | 87.5 | 174 | 87.0 |
| Coiled tail | 8 | 4.0 | 8 | 4.0 |
| Detached head | 9 | 4.5 | 3 | 1.5 |
| Proximal droplet | 1 | 0.5 | 6 | 3.0 |
| Bent tail | 11 | 5.5 | 8 | 4.0 |
| Big neck | 0 | 0.0 | 1 | 0.5 |
| Coiled midpiece | 2 | 1.0 | 7 | 3.5 |
| Total | 200 | 100 | 200 | 100 |
