Abstract
Yohim.bine was administered on incubating eggs. Embryos of the treated group showed a tendency of stronger body weight increase. Weight of ovary or testicle on the 15 th day of incubation waa lower than that of the control group, whereas, it became higher on the 18 th day to 22 nd day of incubation.
On pathohistological investigation, no significant changes were observed on the ovary, testicle, liver, kidney, lung and the heart.