Table 2.
Treatment | Days to 1st litter | Average days between litters | Average number of pups per litter | Average number of litters per female | Total number of pups per female |
---|---|---|---|---|---|
Control | 21 ± 0.3 | 27 ± 1.6 | 13 ± 0.4 | 6 ± 0 | 76 ± 3.9 |
10 ppb | 21 ± 0.4 | 29 ± 1.6 | 14 ± 0.4 | 5 ± 0.4 | 70 ± 6.0 |
42.5 ppm | 22 ± 0.4 | 31 ± 1.8 | 12 ± 0.6 | 5 ± 0.5 | 55 ± 6.3 * |
Exposed males were mated with normal females that were not exposed to arsenic. Breeding began at 8 weeks of age and continued for 6 months. Numbers represent mean ± SEM. Significant differences from control are indicated by an asterisk (P < 0.05, control: n = 6; 10 ppb: n = 6; 42.5 ppm: n = 6).