you only show your pigeons chrissy yi dont race them .i have pigeons in my loft which have flew the full old bird pfogramme to maidstone 300 odd mile one hen was 85 open couple of years ago and has never seen anytreatnebt of any kind whatsoever apert from vaccination she was also timed second day from alecon the week after she flew maidstone ,antibiotics DONT make good pigeons maybe in part keep them healthy if thats what yi call it ,but as long as you haver fun doing it your way thats all that matters ;D ;D