Yes, if the redness is right under the vent, it may just be hormones. I've seen that in my roosters, just monitor that area to see if the skin stays the same.Did you notice how red he was around his vent compared to the other skin right next to it that was white I wonder if I don't know it just looks awfully red to me but and he seems to be like hard on his back end right around there you know like hard