How much vitamin E would I add to a basic dog biscuit recipe in order to preserve it and extend the shelf life? How do I acquire the vitamin E? The only form of vitamin E I am familiar with is the capsules that you can purchase at health food, grocery stores, or pharmacies.
My daughter wants to sell homemade dog biscuits to friends, family, and some small businesses, but we need to try and be sure they will not go mouldy for a reasonable period of time (a number of weeks).
Any info would be appreciated. Thanks!
By Christine
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