Yellow-ish white stuff is oozing from the chicken's vent. We have a mixed flock of laying hens, four of which are Americanas. One of those Americanas had this stuff oozing from her vent - we looked it up, deduced it must be gleet, which we understand to be a yeast infection, but didn't catch it...
For chickens, that is... My mom and I share a small flock of (currently 12) laying hens on her property in Poulsbo, Washington. We've been raising chickens for several years. Our girls have a small hen-house at the back of mom's old barn, with about 900 square feet of fenced-in hen yard...