As far as the majority of the pet food industry is concerned, your pet food will be preserved with one or more different antioxidants – either natural (Vitamin E, C or Tocopherols) or not (BHA, BHT, Ethoxyquin or similar) or a mixture of both types – and the pattern will be something like this:-
Product 1
Meat Meal and Fats pre-treated with BHA, BHT by supplier.
During processing, BHA, BHT or similar anitioxidant added
Ingredient declaration:
…Contains permitted EC preservatives
Product 2
Meat Meal and Fats pre-treated with Vitamin E, Vitamin C, Tocopherols or similar by supplier
During processing, additional Vit E, C or Tocopherols added
Ingredient declaration:
‘… naturally preserved with… ‘
Product 3
Meat Meal and Fats pre-treated with BHA, BHT or similar by supplier
During processing, Vitamin E, C or Tocopherols added
Ingredient declaration:
‘… naturally preserved..’ or ‘no added preservatives’