keep it well fed with plenty of protein and animal fat and it wont ever be hungry enough to contemplate stuffing strange things into its mouth. make said dickwasher fuel look nothing like meat to not give it any ideas. think pemmican cakes. keep it well tenderised, especially if it shows interest in or tries to eat anything but approved dickwasher fuel. if negros understand anything at all its force. promote good behaviour by rewarding it occassionally with a couple of fruits. buy it as soon after weening as possible so it never gets the opportunity to know any other kind of food. castrate it before puberty to prevent most of the characteristic aggression from forming