First Name: Last Name: Address: Address: City: State/Zip: AKALARAZCACOCTDCDEFLGAHIIAIDILINKSKYLAMAMDMEMIMNMOMSMTNCNDNENHNJNMNVNYOHOKORPARISCSDTNTXUTVAVTWAWIWVWYN/A Email:

WDJ examines the differences between artificial and natural preservatives – and how long they work.

Another “mystery date.” We suspect the “M” at the top of the first line indicates this is a date of manufacture

Many consumers have begun to question the presence of preservatives in dog food. Whether we like the idea or not, preservatives must be used in dry foods to combat the ill effects of exposure to oxygen. Preservatives are used in dog food primarily to stabilize fat. Since canning is itself a preserving process, additional preservatives do not have to be added to canned food.

The problem that preservatives address is the interaction of oxygen with fat – known as oxidation – which causes rancidity. Most fats used in dog food are pre-treated with “antioxidants” (compounds that prevent this reaction) before they are even shipped to the pet food manufacturer. Pet…

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