i dont have a scale to measure in grams. i get my mice from petco and always have. if that helps at all????

its not so much im worried about my snakes health he really seems fine, full of energy and very nice. i just want to make sure im not under feeding him.

as far as parasites ive never had him checked for it because well....hes never done anything to give me a reason to. everytime i put new bedding in i spray the beeding and him with NIX lice medicine just as a precaution, but thats not to say hes parasite free by any means