Table 3.
Type of cryoprotectant | Survival rate (%) | No. of damaged seminiferous tubules (%) | Spermatogonia (%) | Pachytene spermatocyte (%) | Round spermatid (%) | Elongated spermatid and spermatozoa (%) |
---|---|---|---|---|---|---|
Fresh (control) | 100 ± 0.0a | 3.2 ± 1.7a | 86.6 ± 2.6a | 84.6 ± 3.1a | 73.3 ± 1.9a | 46.6 ± 2.7a |
DMSO | 100 ± 0.0a | 14.3 ± 1.2b | 71.4 ± 1.6a | 50.0 ± 0.9b | 39.7 ± 1.4bd | 16.2 ± 1.9b |
PrOH | 83.3 ± 2.1b | 13.4 ± 1.5b | 87.3 ± 2.3a | 66.6 ± 2.9c | 54.5 ± 3.2bc | 11.1 ± 1.4b |
EG | 85.6 ± 3.2b | 21.9 ± 2.7c | 71.8 ± 3.1a | 51.1 ±3.1b | 28.5 ± 2.6d | 0.0 ± 0.0c |
Glycerol | 58.6 ± 1.9c | 10.1 ± 2.0b | 66.6 ± 1.9b | 53.0 ± 1.7b | 33.3 ± 1.6d | 14.6 ± 1.8b |
Groups with different letters in the same column are significantly different (p < 0.05).
First column is dimethyl sulfoxide (DMSO), propylene glycol (PrOH), ethylene glycol (EG), glycerol, respectively.