Hello me again so my hen was doing better the other day not today she is shaking her head uncontrollably and very sleepy..... before this started she had a little bit of foamy poop and walked unstable now that seems to be better still walks very slow and now this shaking of her head she has no feathers falling out no loose poop or runny nose of any sort she is barely eating or drinking I have her quarantined off from my other hens please I have researched Very thing I can and am coming up empty handed she is 25 weeks and is a olive egger oh and another thing I noticed is her comb Is a little blue/ purple looking