I have an Ameraucana rooster who I recently bought and he quickly within the first week became extremely lethargic and losing lots of weight. I diagnosed as worms specifically round worms and gape worm (I was unsure of Gape worm until he actually coughed one up). He has been on a treatment of safeguard fenbendazole for a few days now and is not showing any signs of improvement. My next theory is that now that the worms are gone he has succumb to a respiratory infection. He is still eating and drinking very little and is lethargic. He hardly opens his eyes. He has continued to gape and now sounds like a gurgling is occurring when he does. we have switched to giving him an antibiotic we have used before, but i am not sure if it is any good anymore, it seems like some moisture got in it and there was a little caking at the top. I believe it is a version of tetracycline. I have some Tylan 50 on order. I am curious to know if anyone has any other suggestions or things I might try?