Originally Posted by Myka
I found this from 2007, so provided this information is still up to date I guess I know how long to test each new food. I only have Roxy on the Iams food for 5 weeks, so that was probably not enough. Too late now I guess, she's already into the new Acana food.
Since her feet got a bit worse this time being on it, IMO it was the right time to switch her to something completely different
Usually if the pet gets worse or absolutely no improvement is shown during the trial period it's better to try something else than wait out the guidelines.
Acana Lamb & Apple clears up all Roxy's issues