This almost 8 mo old pullet is in 3rd day of a cough/sneeze hiccup noise she is making. There are NO rales, but she lifts her head up to get a breath, but not always, and if no head lift, she keeps her beak slightly open to breathe. Seems to be eating reasonably well. NO facial/eye swelling, encrustations or pox type things or discolorations anywhere i can see. She a beautiful Welsummer at POL. I can see nothing in her throat, there is a approx, 1/3" blackish/gray area at inside of point of upper beak. She has been treated so far with 2 1/2 droppersful of vet RX, and this Am, treated her with 6 drops of ivermection on back of her neck, hoping this might be gapeworm. The only other thing i think might be air sac mites. I havent a CLUE what could be wrong with my lady girl. Could she have inhaled a piece of straw or dust, and if so, how can it be gotten out? and how do u know?