I have 3 hens that I bought from a facebook post. They are a black jersey, a red sexlink, and a cuckoo maran. They are about a year old. I am taking extreme precautions in quarantine to avoid diseases to my existing flock. I am treating with corid 4th day today. Then I will treat with fabendazole. Then with sevin dust incase the have lice or mites. Then work or there feet. Last night the cuckoo maran made a random hoarse bronchitis noise. I pick her up and saw in her nostril thin clear fluid. I move her a bit and lightly compress her and she made that hoarse noise again. I am not that sure if the fluid was because she drank water or if it was actually thin mucus. I lightly shake her and that noise again :/ I commented that to there previous owner and they said that they were never sick before. She is eating just fine she doesnt have watery eyes, all three hen are pooping just fine. No other symptoms. She is first in pecking order of them three. I can tell she is just fine and healthy she eats alot till full, but that noise concerns me alot. I am considering to take them back to there previous owner with out asking for my money back. I have around 28 happy birds I dont want to risk. Can somebody in this forum please help me out.