I'd be livid. How dare he tell you what to do with your poor sick baby? You're not a child, you're his wife. You have equal power to him. If it were me I'd take her right down to the vet and get her checked out. He can huff and puff all he wants. Her life is on the line. I don't know about you, but my chickens are my babies and I am their momma, and no man is gonna keep me from getting one medical attention if it needs it.