Thanks for the advice on Canidae. Pixel's eyes have become watery recently, which is strange as she's never had this problem before and she's almost 2. She's been eating Royal Canin since she was weened at the breeder's house.
My problem now is that she won't eat anything except Royal Canin. I've tried to give her little tidbits of Canidae, but she sniffs them and walks away. Any ideas about getting her to start the switch over? I'm not trying to feed her a whole bowl of Canidae right way; I know the gradual switchover rules.

I just don't know how to get her to eat any of the new food at all! She's a very fussy little thing! Any suggestions would be welcome!