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| 对照组 0 mg/kg | 低剂量组 180 mL/kg | 中剂量组 360 mL/kg | 高剂量组 720 mL/kg |
| 骨骼检查胎鼠窝数(n) | 20 | 20 | 20 | 20 |
| 骨骼检查胎鼠数量(n) | 124 | 125 | 124 | 130 |
| 骨骼变异分类 |
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| 胸椎椎体双叉(Bifid) |
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| 显示异常胎鼠数量/百分比 | 7/5.6 | 5/1.0 | 4/3.2 | 6/4.6 |
| 显示异常胎鼠窝数/百分比 | 3/15.0 | 4/20.0 | 2/15.0 | 4/20.0 |
| 第5胸骨未钙化(Unossified) |
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| 显示异常胎鼠数量/百分比 | 4/3.2 | 4/3.2 | 3/2.4 | 3/2.3 |
| 显示异常胎鼠窝数/百分比 | 3/15.0 | 2/10.0 | 2/10.0 | 3/15.0 |
| 第6胸骨未钙化(Unossified) |
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| 显示异常胎鼠数量/百分比 | 8/6.5 | 4/3.2 | 6/4.8 | 5/3.8 |
| 显示异常胎鼠窝数/百分比 | 3/15.0 | 2/10.0 | 2/10.0 | 3/15.0 |
| 第2或第5掌骨未钙化(Unossified) |
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| 显示以长胎鼠数量/百分比 | 6/4.8 | 2/16 | 4/3.2 | 1/0.8* |
| 显示以长胎鼠窝数/百分比 | 4/20.0 | 2/10.0 | 3/15.0 | 1/5.0 |