I have an 08 het pied girl that has been a problem feeder forever. Since I've had her she took a 6 month break and then another 3.5-4 month break. I have found that if I just feed her smaller prey she has been hounding them down for the past while. I don't know if she has just grown out of her pickyness or what. So she is about 1200 g and I feed her large weaned rats. Patience is a virtue. I say as long as they aren't skinny don't worry about it and just let them grow at their own rate. Gotta love bp's!