Table 5 Sex-inducing activity in 3 fragments obtained according to the topological position of the sexual organs
Test food | Number of test worms that developed a pair of ovaries (%) | Number of test worms that differentiated a copulatory apparatus (%) |
|---|---|---|
Head fragments | 0/25 (0.0) | 0/25 (0.0) |
Middle fragments | 24/25 (96.0) | 18/25 (72.0) |
Tail fragments | 24/25 (96.0) | 15/25 (60.0) |