Table 1.
Normal semen parameters in laboratory animals
| Rabbit | Rat | Mice | Guinea pigs | |
|---|---|---|---|---|
| Count/concentration | 210.5 × 106/ ml in winter and 156.11 × 106/ ml in summer | 60.8 ± 0.20 × 106 sperm/rat | 106.5 ± 42.5 × 106 |
60.00 ± 1.90 × 106 /cauda epididymis 250.20 ± 5.40 × 106 /g cauda epididymis |
| Motility | 56% in winter and 40.6 in summer | 48.4 ± 2.03% |
Rapid motility grade A 20.18 ± 7.08% -Slow motility grade B 22.64 ± 5.0% |
90.00 ± 5.35% |
| Viability/live sperm concentration | 180.8 × 106/ ml in winter and 129.9 × 106/ ml in summer | 85.1 ± 3% | 75.09 ± 9.42% | - |
| Testosterone level | 11.0 ± 0.02 ng/ml | 2.76 ± 0.27 ng/ml | 3.25 ± 1.582 ng/ml | 1.2–1.4 ng/ml |
| Testis weight | 3.60 ± 0.09 g | 1.40 ± 0.821 g | 659 ± 52 mg per 100 g of body weight | 0.23 ± 0.01 g/100 g of BW) |
| Authors | [12, 13] | [14] | [15] | [16] |