One of our 3 yr old bucks did not shed his burr on one side. We became concerned about infection after the velvet started growing around the burr and the other antler already 6" long - knocked down and removed the burr by chipping with hammer and chisel - infection was between burr and velvet - cleaned with peroxied and sprayed with bandage - gave antibiotics and reversed - who knows what this side of antler will look like but at least he will survive