Hill's Prescription Diet Skin/Food Sensitivities d/d Review

Potato & Salmon Formula

Hill's Prescription Diet Skin/Food Sensitivities d/d Potato & Salmon Formula
Prescription Diets
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Review of Hill's Prescription Diet Skin/Food Sensitivities d/d
Potato & Salmon Formula

This product is manufactured by Hill's Pet Nutrition, Inc..

According to our data, this Hill's Prescription Diet recipe provides complete & balanced nutrition for the maintenance of adult dogs. In other words, this formula is AAFCO approved.

Unlike other AAFCO approved dog foods which rely in laboratory testing to substantiate nutritional adequacy, this recipe has undergone feeding trials. In the pet food industry, feeding trials are often considered to be the superior testing method.

Animal feeding tests using AAFCO procedures substantiate that Hill's Prescription Diet Skin/Food Sensitivities d/d Potato & Salmon Formula provides complete and balanced nutrition for the maintenance of adult dogs.

Ingredient Review

We'll begin this review of Hill's Prescription Diet Skin/Food Sensitivities d/d Potato & Salmon Formula with a detailed discussion of the ingredients.

The first ingredient is potato. Potatoes are commonly used in pet food as a gluten free carbohydrate source which also provides various vitamins, minerals, and antioxidants.

The second ingredient is potato starch. Potato starch is a gluten-free ingredient extracted from potatoes. Unlike whole potatoes, the starch itself does not provide a notable amount of nutrition.

The third ingredient is salmon. Although salmon is an excellent protein and omega-3 fatty acid source, raw salmon contains more than 60% moisture. After cooking, the relative meat contribution of salmon is dramatically reduced. Therefore, it's important to ensure that other meat sources are included within the first few ingredients to ensure the product derives most of its protein from meat.

The fourth ingredient is potato protein. Potato protein is produced by extracting the starch of potatoes. This process results in a high protein and low ash ingredient called potato protein.

The fifth ingredient is pork fat. Pork fat is typically collected while cooking pork using a process called rendering. Pork fat is a relatively high quality source of essential fatty acids. In particular, pork fat is high in linoleic acid, an important omega-6 fatty acid.

Because ingredients are listed in order of pre-cooked weight, the remaining ingredients in Hill's Prescription Diet Skin/Food Sensitivities d/d Potato & Salmon Formula are not as important as the first five ingredients.

However, collectively they still have a significant impact on the overall quality of the product. Therefore, we'll continue discussing the remaining ingredients in this Hill's Prescription Diet recipe.

Next we have soybean oil. Soybean oil is an omega-6 fatty acid source. Unlike other oils (flax, canola, etc), soybean oil does not provide omega-3 fatty acids; However, the balancing omega-3 fatty acids are most likely supplied by another oil or fat source in the product.

The next ingredient is natural pork flavor. As the name implies, natural pork flavor provides pork flavor to the product. This particular flavor is derived from natural sources which may or may not include real pork.

Then we have dicalcium phosphate. Dicalcium phosphate (misnomer for dibasic calcium phosphate) is commonly used in pet food and treats as a dietary calcium supplement. It can also be found in breakfast cereals, enriched flour, noodle products, pharmaceutical tablets, and toothpastes.

Moving on, we have lactic acid, which is an organic compound. Lactic acid is most likely used in this recipe as a preservative.

Moving on with this review, we have fish oil. Fish oil is defined by AAFCO as "the oil from rendering whole fish or cannery waste." It is typically rich in omega-3 fatty acids and therefore a good fat source. However, the specific fish used to obtain the oil is not specified and therefore we cannot make any specific claims.

The next ingredient in this review is fish meal. Fish meal is defined by AAFCO as "the clean, dried, ground tissue of undecomposed whole fish or fish cutting, either or both, with or without the extraction of part of the oil." Since the specific type of fish is not mentioned, we cannot discuss any specific qualities of this ingredient. In general, anonymous ingredients are low quality inclusions when compared to ingredients such as tuna meal, salmon meal, catfish meal, etc.

Our next ingredient is potassium chloride, which is a potassium supplement.

powdered cellulose is the next ingredient in this recipe. Powdered cellulose is produced from minuscule pieces of wood pulp and plant fibers. Other than its fiber content, powdered cellulose lacks any nutritional contribution.

Next on the list is iodized salt. Iodized salt is simply table salt mixed with very small amounts of iodine-containing salt. Iodine is an important natural element required by dogs to maintain good health.

The next ingredient in this recipe is calcium carbonate. Calcium carbonate is a naturally occurring mineral supplement. Although it's often used as a dietary calcium supplement, it can also be used as a preservative or color retainer.

Next we have choline chloride. Choline chloride is member of the B-vitamin complex (vitamin B4).

The next ingredient is vitamin E supplement. Vitamin E is an essential vitamin required by dogs.

Then we have l-ascorbyl-2-polyphosphate, which is a feed-grade vitamin C supplement.

Moving on, we have niacin supplement. Niacin is also known as vitamin B3. It's an essential vitamin that is critical for the metabolism of nutrients and the well-being of the central nervous and GI systems.

The remaining ingredients in this Hill's Prescription Diet Skin/Food Sensitivities d/d recipe are unlikely to affect the overall rating of the product.

Our analysis of the ingredients show that this product derives a substantial amount of protein from non-meat ingredients. Since this product is a prescription diet, this property may be required and therefore we cannot make any further statements.

Final Thoughts

In summary, we recognize that this product contains anonymous meat ingredients. These are not necessarily always negative; however, they are typically low quality and inexpensive additions. If the particular anonymous meat ingredient is controversial or low quality, it should have been discussed earlier in this review. Otherwise, it is safe to assume the anonymous meat ingredient is an acceptable addition.