There was some discussion here about fish kibble diets and preservatives. When I inquired at Natura, this is the response I received:
Yes, it will be ethoxyquin free. Ethoxyquin is a chemical preservative.
We routinely utilize laboratory testing to ensure our raw ingredients suppliers are not using preservatives like BHA, BHT, or ethoxyquin.
Natura products are naturally preserved with vitamin E and vitamin C.
Herring is an excellent source of omega 3 essential fatty acid.
Natura uses table quality herring, which is ground and added to the ingredient mix.
Our herring is a deep water fish from the Atlantic Ocean.