I have a Hen, we don't know her age, we rescued her. She is very lethargic barely opens her eyes, won't eat or drink. I have her in the house isolated and have been syringe feeding her electrolytes and water with CORID in it. We are on day 2 and she doesn't seem to be getting better. She isn't egg bound and her crop is empty. She pooped once and it was green and watery. Help....