MY INSTINCT SAYS #2 BECAUSE THERE ARE FAR LESS INGREDIENTS AND IF ALLERGIES ARE THE CONCERN YOU SHOULD KEEP IT SIMPLE. DO ALOT OF YORKIES HAVE ALLERGIES? HOW GOOD IS OLD FAITHFUL, SCIENCE DIET OR ROYAL CANINE? I TRIED RC WHEN I GOT GIGI A MONTH AGO AND SHE HAD PROBLEMS WITH THE ABRUPT SWITCH SO I HAVE HAD TO FEED WHAT THE BREEDER FED SD SO FAR. I WOULD LOVE MORE INFO ON THIS SUBJECT?
