I need help ..hatched 5 Brahmas 5 months ago one developed a limp and died amonth ago, no sores not swollen no outward signs at all. One developed a leg problem a month ago little black and scaly and has just been getting worse and I don'tknow what to do. She walks no limp and eats well but it is swollen and looks horrible. Just took a photo think it smells a well. Please somebody help.