im really worryed about my lil cody hes not ill or any thing he is just half the size of my other two he is from the same litter as one and he never seems 2 eat he wont take treats or eat anything unless (it seems weird) i lick it and no matter how much i loce him im not licking his rat food i dont no what to do at the mo i have cody on the sofa with me and i have his food next to me he isnt eating it and the other two are in their cages. cody shares a cage with toby and yes toby is a bit greedy but he never ever pushes cody away from the food as they have a bowl each can any one help?? cody isnt under weight hes just small is this normal? can 2 rats from the same litter be totally different sizes?? advice plz some one?