I don't. There was a dark brown, dime size hard patch. After soaking in water for a little while it got soft and I was able to scrape it away. It seemed to break away from the pad of the foot and came out. Seemed to have white thing attached that went down into foot. Once removed there was a nice clean hole, no bleeding, no puss, just nice pink skin. I cleaned it out. Does not appear to bother the chicken or be infected. Could this just be a callus and not necessarily bumblefoot? Would a staph infection still be present? Chicken acts just fine, eating and drinking and pooping.