Good advice so far.
The fecal sample will also tell what kind of worms (if any) they are overburdened with. That will tell you the type of anthelmintic to use. Otherwise, you could be worming for something they don't have and they'll still have worms.
The fecal sample will also tell what kind of worms (if any) they are overburdened with. That will tell you the type of anthelmintic to use. Otherwise, you could be worming for something they don't have and they'll still have worms.