HI, good morning! I have new guardian ship of female emu about 4 yoa, she is underweight, lethargic. I have ordered worm medication but am concerned that worming an girl who is already underweight is not perfect. SO. She devours food, And doesn't eat veggiess a very loose stool. Of apparently unprocessed grain? /fruit offered. Ordered ratite foods. Any ideas to help her fatten up?