Table 4.
Absolute testes weight, daily sperm production (DSP) and serum testosterone concentration in Sprague Dawley rats
| Absolute testes weight (g) | DSP (107) | SC/Gtestes (× 107) | |
|---|---|---|---|
| Week 12 – exposure | |||
| Air + Reg | 2.10 ± 0.2 | 1.39 ± 0.1 | 8.95 ± 1.2 |
| Air + HF | 2.02 ± 0.2 | 1.36 ± 0.1 | 9.09 ± 0.9 |
| GMA-SS + Reg | 2.06 ± 0.1 | 1.19 ± 0.2 ab | 7.90 ± 0.7ab |
| GMA-SS + HF | 1.98 ± 0.2 | 1.23 ± 0.1 a | 7.75 ± 0.8 |
| Week 24 – recovery | |||
| Air + Reg | 2.29 ± 0.1 | 1.31 ± 0.7 | 3.50 ± 0.2 |
| Air + HF | 2.15 ± 0.2 | 1.24 ± 0.2 | 3.51 ± 0.6 |
| GMA-SS + Reg | 2.04 ± 0.2 a | 1.18 ± 0.1 | 3.53 ± 0.1 |
| GMA-SS + HF | 2.03 ± 0.1 a | 1.14 ± 0.7 | 3.42 ± 0.2 |
Absolute testes weight (g), daily sperm production (107) and sperm content per gram of testes in Sprague Dawley rats at week 12 after a 5-week exposure to 20 mg/m3 of GMA-SS, and at week 24 after a 12 week recovery period. Mean ± SD (n = 6–12). Significant effects are highlighted in bold
aSignificantly different from Air+Reg diet (p < 0.05)
bSignificantly different from Air+HF diet (p < 0.05)