not a good idea, my friend had a chicken flock and a duck flock and drake thought it would be a good Idea as had access to the chicks he brooded with until she found him some duck hens of his own of the same breed. fast forward to hormones kicking in she had to cull her hen as the drake had forced him self on her and there was no way she could make it. Even though friend caught him and got him away from the hen right as he started.
Roosters and Drakes are 2 different things where a drake actually has a penis and a rooster doesn't it's more of just best way I can explain rubbing up on the hen for the rooster.