Hi. My three year old leg horn started wheezing on Monday. I attached the video of her. She was acting normal; eating, drinking, and even laid an egg on Monday. I isolated her & treated her last week for worms with safeguard for 5 days. She was so infested with them that her crop became impacted. I cleared her crop also treated her for a sour crop with miconazole for 7 days. She was put back into her coop on Sunday with the others and doing great until this breathing issue. What should I do? The other girls are beating her up and I don’t want her to suffer but, other than the breathing issue, she fine.