Table 4.
Cadmium (Cd) concentrations found in muskrat (Ondatra zibethicus) tissue samples from six historical studies.
| Tissue sampled | Concentration (μg/g) | n | Location | References |
|---|---|---|---|---|
| Kidney | 0.0008–0.0018 | 33 | Ontario | (102) |
| Kidney | 0.039–1.071 | 65 | Pennsylvania | (95) |
| Kidney | 0.08–3.08 | 76 | Virginia | (93) |
| Kidney | 0.11–0.157 | 126 | Pennsylvania | (103) |
| Kidney | 1.13 | 6 | Washington | (94) |
| Liver | 0.00025–0.00044 | 33 | Ontario | (102) |
| Liver | 0.0391–0.3157 | 65 | Pennsylvania | (95) |
| Liver | 0.042–0.064 | 126 | Pennsylvania | (103) |
| None* | 0.163 | n/a | Montana | (104) |
Concentration levels have been converted into μg/g. For reference, the LD50 of Cd is 63-1125 μg/g.
*
Cd concentration estimated using linear multimedia food-chain models based on ingestion rates for food items, soil, and water.