Bitsy loves Orijen and so do I.
I do a rotation of dry kibble every 3 months. Bitsy has tried Innova and use to like it, then a month into it, she started turning her nose up at it. I persisted and refuse to give her a different kibble, so she gave in and started eating it again.
She gets wet food twice a day for her regular meal, the dry kibble was just to graze during the day, so it was ok because she never went hungry.
I've also heard that if you give your puppy too much variety they become picky eaters... I don't know how true that is, but just in case, I rotate foods out no more than every three months.
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