Just my own limited experience here. When we tried live prey with one of our snakes she refused to ever touch f/t or p/k again (she had been raised to that point exclusively on f/t). Since we have now moved all our snakes to all live prey this isn't a problem but you might want to consider that this can happen. We do find the live feeding seems to promote a stronger feeding response than the f/t did but that may be just our snakes. I would encourage you to make sure though that you know the proper, safe methods to feed live and that you make sure the prey size is small and manageable for the snake.
~~Jo~~