Table 4. Survival of embryos after treatment with varying concentrations of thalidomide.

Thalidomide concentration	Number of turkey embryos injected on E13	Number of turkey embryos that survived by E18
0 (vehicle only 50% PBS+50% ethanol)	6	5
30 μg per embryo	6	0
60 μg per embryo	6	0
120 μg per embryo	6	0
0 (vehicle only 50% PBS+50% ethanol)	6	4
3 μg per embryo	6	0
6 μg per embryo	6	0
12 μg per embryo	6	0
0 (vehicle only 50% PBS+50% ethanol)	6	5
0.3 μg per embryo	6	0
0.6 μg per embryo	6	0
0.12 μg per embryo	6	0

Abbreviation: PBS=phosphate-buffered solution.

The human therapeutic dose is equivalent to 60–120 μg per embryo.