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Motility and acrosomal integrity of cynomolgus macaque sperm cryopreserved at different holding times
| Holding time (min) | Sperm motility (%) | Acrosomal integrity (%) |
| 10 | 25.0 ± 8.4b | 88.2 ± 1.7b |
| 30 | 14.2 ± 4.7c | 86.3 ± 2.3b |
| Fresh sperm | 84.2 ± 11.3a | 91.7 ± 1.6a |
All samples were held 4 cm above the LN2 surface. Different superscripted letters within a column indicate significant (P< 0.05) differences between values.
