The weight is definitely too low for a three + foot ball. She should be getting bigger prey. My 08s, with one exception, are 700-900+ grams and eating sm-med rats. My one 08 that isn't is only about two feet, 375-400 grams, a problem feeder and takes XL mice. A good guideline to use is to feed your snake one prey item about as big around as the snake (or multiples that add up to that). When the snake is bigger around than the prey, it is time to offer larger.