Table 1.
Characteristics of sperm samples recovered from the epididymis and vas deferens of adult rheas (Rhea americana). Values are expressed as mean ± SEM from 5 individuals.
| Right Epididymis | Left Epididymis | Right Vas Deferens |
Left Vas Deferens |
Left + Right | ||
|---|---|---|---|---|---|---|
| Epididymis | Vas Deferens | |||||
| Recovered volume (mL) | 1.4 ± 0.2 | 1.1 ± 0.1 | 1.0 ± 0.1 | 1.1 ± 0.1 | 2.5 ± 0.3 | 2.0 ± 0.3 |
| Concentration (×106 sperm/mL) | 96.0 ± 31.9 | 68.0 ± 27.5 | 170.0 ± 39.4 | 222.0 ± 88.2 | 82.0 ± 28.7 | 196.0 ± 60.4 |
| Number of sperm recovered (×106) | 126.0 ± 48.1 | 75.5 ± 30.3 | 152.0 ± 39.6 | 233.0 ± 106.0 | 201.0 ± 77.4 | 378.0 ± 135.0 |
| Sperm motility (0–100%) | 36.0 ± 5.1 | 38.0 ± 4.9 | 58.0 ± 7.18 | 59.0 ± 9.0 | 37.0 ± 4.9 a | 58.5 ± 7.7 b |
| Vigor (0–5) | 2.4 ± 0.4 | 2.6 ± 0.5 | 3.2 ± 0.2 | 3.4 ± 0.2 | 2.5 ± 0.5 | 3.3 ± 0.2 |
a, b Different letters mean significant difference between the two columns (p < 0.05).