I have a 1 1/2 year old Barred Rock that I got second hand. She came to me as a small chicken, she seemed too small to be 1 year old as they said. Anyway she has developed some vent issues. It could be a prolapse, it could be Ascite (water belly), it could be an egg that didn't fall down, or I don't know... I just gave her a soak in mineral salt water and she is still lively enough to complain. Her vent protrudes and is featherless and red. And after bathing I notice a red nodule protruding up from her tail bone, the tip of which is white-ish. It is tubular and about 1/4 inch high. She tries to peck at it. Her crop looks fuller than it should for the amount she is eating. She drank excessively one day after coming inside to an indoor cage. She is eating, but not a lot. Her poop is someone normal but runny and at times yellow/white. She still stands and hums a little (she misses her 4 sisters). She is not at death's door, but heading there if I can't figure this out. It may mean a 40 mile trip to the only bird doctor in our valley here in western Colorado. I gave her a does of Ivomec about a week ago just to make sure mites weren't a problem. I have also tried small amounts of hemorroid cream that may be reducing the redness. Her comb and wattles are red, maybe a deeper red than they should be. So I tried a dose of baby aspirin (liquid) that may also be helping with redness. She is inside out of the 20 degree or less temps. During the day she's in a sunny room and at night she is in total darkness - I don't want her laying. Since adopting her, her eggs have been larger than normal with thinnish shells - too large for her size. My chickens have access to oyster shell but I can't be sure who is eating what. I don't think she was in exceptional health when I got her and I may not have brought her up to strength since... Any help is welcome.