Honestly it really is one of the worst foods out there.
The first ingredient is cereals, that will be the cheapest one on the market at the time they are buying, so the cereal content will change regularly.
meat and animal derivatives, derivatives are all the crap that's left over after the carcass has been stripped of meat, it's beaks, claws, skin, hooves, anything that's left of the animal gets chucked in pet food.
eec permitted antioxidants could be BHA and BHT both of which some experts believe can cause cancers.
I used to feed my last sheltie girl Robbies and she did really well on it.

Terri