Your boy is most likely to be adernal, as I have had several that are very aggersave to not only the males but also the females. Try melatonin tablets, 3mg, crushed, divided into thirds and give 3rd in a syrenge mixed with ferretone every day about 7-8 hrs. after the sun comes up, or you can do the the implants, they last 3-4 months. Trudy, Ferret Acres Santurary. [Posted in FML 5459]