Acana Singles get 5 stars on dogfoodadvisor (4.5 stars for US sourced), but only 1 star on that contamination listing site? I'm wondering if maybe duck is a bad ingredient because it eats fish? When I was looking up sources of good dog food, I came across one commenter who was criticizing how we feed our pets nowadays these artsy organic meals these days, and it cracked me up
Something's Rotten in the Pet Food Industry - Modern Farmer
"I grew up the son of a veterinarian, and know that some breeders feed diets of whole critters like baby chicks and bunnies to the kittens and puppies they've raised. So if you want to be nutritionally on point, and go totally for-reals, there are companies out there that sell frozen whole animals for the hardcore dietary enthusiasts. None of this namby-pamby, crafty-crocheted stuff allowed. You need to hear skulls cracking and your precious little pookie-pups snarling at each other, (and maybe even at you), while they protect their food stash and get back to nature."