hi i dont remember who it was but someone on the list said they were haveing problems with there ferret and thought it had a food alergy our local expert on ferrets helped me figure out the same thing when my male ferret was failing to thrive . She said that alot of ferrets are alergic to corn to try a corn free food . well it worked my fert is heathy and happy . i also will not feed cat food only ferret food a friend of mine had a ferret choke on cat food and die . hope this helps Paula and the ferts [Posted in FML issue 4142]