WHY TREAT IF THEVE NOT GOT ANYTHING WRONG WITH THEM, OK TREAT, IF THERE IS SOMETHING WRONG WITH THEM , THE ONLY WAY TO FIND OUT IF THERES SOMETHING WRONG WITH THEM IS HAVE THEIR DROPPINGS TESTED REGULARLY AND HAVE SWABS TAKEN REGULARLY ,,,,MIND YOU IF THEIR WINNING , ,JUST WIN REGULARLY IF WE TREAT WILLY NILLY, WERE LOWERING THE BIRDS RESISTENCE, AND YOULL HAVE TO KEEP TREATING, THIS HAS BEEN PROOVED WITH ANTIBIOTICS .
ONLY MY OPINION
WELCOME TO THE FORUM SLATEY, YOULL FIND IT GREAT