hi my brahma recently got very lethargic and doesn't like to open her eyes. she won't eat or drink unless i give it to her by hand. she poops out what looks to be the inside of an egg but has black stuff in it and a little white. I've been giving her Sulmet (antibacterial medicine) and i can't tell if its helped yet. she is a little shaky and i think she's lost weight. she is only about a year. any thoughts?