Hill's Prescription Diet D/D Canine Dry Formula Review and Rating
by Mike Sagman
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Hill’s Prescription Diet D/D Lamb Formula Hill’s Prescription Diet D/D Potato and Duck Formula Hill’s Prescription Diet D/D Potato and Salmon Formula Hill’s Prescription Diet D/D Potato and Venison Formula
Hill’s Prescription Diet D/D Potato and Duck Formula was selected to represent the others in the line for this review.
, choline chloride, vitamins (l-ascorbyl-2-polyphosphate (source of vitamin C), vitamin E supplement, niacin, thiamine mononitrate, vitamin A supplement, calcium pantothenate, biotin, vitamin B12 supplement, pyridoxine hydrochloride, riboflavin, folic acid, vitamin D3 supplement), dl-methionine, vitamin E supplement, taurine, minerals (ferrous sulfate, zinc oxide, copper sulfate, manganous oxide, calcium iodate, sodium selenite), l-tryptophan, preserved with mixed tocopherols and citric acid, beta-carotene, rosemary extract
Fiber (estimated dry matter content) =
The first ingredient in this dog food is potatoes . Assuming they’re whole, potatoes are a good source of digestible carbohydrates and other healthy nutrients.
My only concern here is the amount of potato in this product. Since three of the first four ingredients are all of potato origin, it’s safe to assume potato is the major component in this dog food.
The second ingredient is potato starch . Potato starch is a quality gluten-free carbohydrate. It’s both digestible and hypoallergenic.
The third ingredient is duck . Raw duck contains about 80% water. After cooking, most of that moisture is lost… reducing the meat content to just 20% of its original weight.
That’s what makes uncooked duck a much smaller contributor to the overall protein content of a dry dog food… than duck meal .
The fourth item is potato protein … the dry residue left over after removing the starchy part of a potato. This ingredient contains over 80% plant protein. So, it’s responsible for at least some of the total protein reported in this dog food.
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