Table 2. Sperm numbers and quality in muroid rodents.
| Species | N | Total sperm number (×106) | % normal sperm | % acrosome integrity | % live sperm | % motile sperm |
| Arvicola terrestris | 5 | 36.5±6.8 | 88.1±3.8 | 95.9±1.4 | 68.3±6.9 | 67.0±3.0 |
| Chionomys nivalis | 6 | 129.4±31.5 | 87.8±1.8 | 96.0±1.0 | 74.3±4.5 | 88.3±1.1 |
| Clethrionomys glareolus | 6 | 43.2±10.7 | 90.1±1.4 | 91.9±3.5 | 69.7±6.8 | 78.3±3.3 |
| Microtus arvalis | 8 | 41.6±7.1 | 90.2±0.8 | 98.1±0.3 | 66.6±6.1 | 86.9±1.9 |
| Microtus cabrerae | 6 | 7.6±0.9 | 76.5±3.4 | 96.1±1.2 | 51.2±7.6 | 55.8±6.5 |
| Microtus duodecimcostatus | 6 | 4.5±1.2 | 69.4±6.7 | 47.3±7.6 | 74.9±4.8 | 45.0±1.8 |
| Microtus lusitanicus | 3 | 27.7±14.0 | 81.3±6.9 | 86.8±5.4 | 75.2±5.1 | 78.3±1.7 |
| Apodemus sylvaticus | 8 | 110.1±12.0 | 93.4±1.6 | 96.1±1.1 | 74.8±3.2 | 82.5±2.8 |
| Mus cookii | 4 | 62.2±9.9 | 87.5±2.6 | 71.0±3.6 | 75.8±2.6 | 90.8±7.0 |
| Mus famulus | 3 | 44.9±0.7 | 74.0±3.0 | 65.3±5.7 | 68.3±3.4 | 41.7±11.7 |
| Mus macedonicus | 3 | 69.9±12.5 | 79.0±3.6 | 86.3±3.2 | 72.7±0.9 | 70.0±5.8 |
| Mus musculus bactrianus | 3 | 43.6±8.5 | 84.7±3.7 | 67.7±2.9 | 70.3±2.7 | 40.0±10.0 |
| Mus musculus castaneus | 3 | 26.5±16.3 | 85.0±4.5 | 72.0±2.6 | 63.3±6.5 | 63.3±8.8 |
| Mus musculus domesticus | 4 | 18.4±5.1 | 80.3±0.8 | 68.8±3.8 | 60.3±3.9 | 87.5±2.5 |
| Mus musculus musculus | 5 | 23.2±2.0 | 73.0±3.2 | 70.0±3.0 | 88.8±0.6 | 71.7±0.7 |
| Mus pahari | 5 | 9.1±0.3 | 75.6±0.6 | 73.0±2.4 | 70.8±0.6 | 50.0±0.02 |
| Mus spicilegus | 5 | 99.4±15.8 | 84.5±2.9 | 77.0±3.3 | 93.8±1.1 | 90.5±1.4 |
| Mus spretus | 5 | 48.0±3.4 | 79.5±2.5 | 70.8±2.6 | 97.3±0.3 | 98.3±0.3 |
Values are mean ± SEM.