Open Farm vs Hill's Science Diet

Open Farm vs. Hill's Science Diet

In this comparison article for Open Farm vs Hill's Science Diet, we'll highlight the key differences between these two pet food brands. To properly compare Open Farm and Hill's Science Diet, we'll use up-to-date nutritional and price information.

There are many factors to consider when choosing the best pet food brand for your pet. Factors such as ingredient quality, guaranteed analysis, product safety, brand history, and cost are among the most important factors to consider.

Throughout this Hill's Science Diet vs Open Farm comparison, we've utilized average data to make general comparisons. If you'd like to see individual product reviews, visit our Open Farm Review Page or Hill's Science Diet Review Page.

Guaranteed Analysis: Hill's Science Diet vs. Open Farm

According to AAFCO, all pet food labels must provide a guaranteed analysis of nutrient content. The analysis must provide guaranteed minimum percentages of crude protein and crude fat, and maximum percentages of crude fiber and moisture.

All percentages used in this comparison are averages reported on a dry matter basis.

Open Farm Dog Food vs. Hill's Science Diet Dog Food

Dry Dog Food Open Farm Hill's Science Diet
Crude Protein 38.3% 24.5%
Crude Fat 25.5% 14.8%
Crude Fiber 4.6% 4.3%
Wet/Canned Dog Food Open Farm Hill's Science Diet
Crude Protein 44.4% 25.8%
Crude Fat 31.9% 17.1%
Crude Fiber 11.1% 3.3%

Crude Protein Comparison For Dog Food

Dogs require twenty-two amino acids to sustain life. Twelve of these amino acids are synthesized naturally, the remaining ten are consumed. Protein is the nutrient which provides some or all of these ten essential amino acids.

The comparison table above shows that Open Farm dry dog foods provide significantly more protein than Hill's Science Diet. More specifically, Open Farm guarantees at least 13.77% more protein. Similarly, Open Farm wet dog foods provide significantly more protein than Hill's Science Diet wet foods.


Crude Fat Comparison For Dog Food

Fats are an absolutely vital component of a balanced canine diet. Not only do fats provide energy, but they also serve important roles in the normal development and function of your dog's body. For example, fats help dogs produce prostaglandins, which reduce inflammation among many other significant functions.

Open Farm dry dog foods clearly provides more fat than Hill's Science Diet. In fact, the difference between the fat content is roughly 10.72%, which is a significant amount. Similarly, Open Farm wet dog foods provide significantly more protein than Hill's Science Diet wet foods.


There is a relatively insignificant difference between the crude fiber content of the two brands. For wet dog foods, Open Farm provides more fiber (about 7.76% more).

Open Farm Cat Food vs. Hill's Science Diet Cat Food

Dry Cat Food Open Farm Hill's Science Diet
Crude Protein 41.1% 35.2%
Crude Fat 20% 18.5%
Crude Fiber 3.3% 5.8%
Wet/Canned Cat Food Open Farm Hill's Science Diet
Crude Protein 43.5% 38.5%
Crude Fat 29.2% 22.0%
Crude Fiber 11.1% 4.4%

Crude Protein Comparison For Cat Food

Cats require twenty-two amino acids to sustain life. Eleven of these amino acids are synthesized naturally, the remaining eleven are consumed. Protein is the nutrient which provides some or all of these eleven essential amino acids.

There is a relatively large difference between the protein content of Open Farm and Hill's Science Diet. On average, Hill's Science Diet dry cat food recipes contain 5.88% less protein than Open Farm recipes. In addition, Open Farm wet cat foods also provide more protein than Hill's Science Diet wet foods.


Crude Fat Comparison For Cat Food

There are many ways in which dietary fat contributes to the overall health of our feline friends. Here is a short list of benefits provided by fats (not exhaustive):

  • Fats help with the digestion and absorption of fat-soluble vitamins
  • Reduce inflammation associated with arthritis
  • Slow the growth of yeast infections
  • Prevent or reduce the likelihood of certain heart problems.
  • Aid in the development of the retina and visual cortex.

Both brands provide roughly the same amount of crude fat. For wet cat foods, Open Farm provides more fat (about 7.20% more).


There is a small difference between the fiber content of Hill's Science Diet and Open Farm. We can see that Hill's Science Diet guarantees about 2.47% more fiber than Open Farm. In addition, Open Farm wet cat foods also provide more fiber than Hill's Science Diet wet foods.

Open Farm Pet Food Ingredients vs. Hill's Science Diet Pet Food Ingredients

Here are some of the controversial ingredients used only by Hill's Science Diet.

Liver
Caramel
Corn Flour
Iron Oxide
Pea Protein
Pork Plasma
Poultry Fat
Animal Liver
Brewers Rice
Wheat Gluten
Caramel Color
Tomato Pomace
Beef By-Products
Corn Gluten Meal
Pork By-Products
Whole Grain Corn
Whole Grain Wheat
Powdered Cellulose
Dried Tomato Pomace
Pea Protein Concentrate
Soybean Protein Isolate

We believe that certain pet food ingredients are linked to adverse health affects; these ingredients are classified as harmful.

Here are some of the harmful ingredients used only by Hill's Science Diet.

Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Open Farm & Hill's Science Diet?

According to our records, Open Farm has never been recalled.

Hill's Science Diet has been recalled once.

  • Jan. 31, 2019: elevated levels of Vitamin D

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Open Farm Hill's Science Diet
Per Pound $17.93 $1.99
Dry Cat Food Open Farm Hill's Science Diet
Per Pound $5.92 $2.90
Wet Dog Food Open Farm Hill's Science Diet
Per Pound $5.12 $3.24
Per Calorie $0.0118 $0.0078
Wet Cat Food Open Farm Hill's Science Diet
Per Pound $7.76 $4.73
Per Calorie $0.0188 $0.0100

The average cost-per-lb is heavily influenced by the varying amounts of moisture present in each brand's food products (wet vs. dry food, dry vs. freeze-dried food, etc). However, the average cost-per-kcal eliminates the influence of moisture. Therefore, the average cost-per-kcal is the better metric to consider.

If you'd like to calculate the average cost-per-day or cost-pet-year of feeding Open Farm or Hill's Science Diet, input your pet's weight into our cost analyzer widget.

Averages price data can identify whether or not there exists a significant price difference between two brands. However, the actual price that you'll pay for Open Farm or Hill's Science Diet will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Open Farm and Hill's Science Diet. In addition, we currently have some great coupons for our readers.


Disclosure: PawDiet has an affiliate relationship with stores featured (or linked-to) in this article. We are compensated for referring customers. Thank you for shopping with our retail partners!

Where To Buy Open Farm Pet Foods

You can purchase Open Farm pet foods from the following stores:





Where To Buy Hill's Science Diet Pet Foods

You can purchase Hill's Science Diet pet food products from these retailers:









Type Of Pet Foods Available

Product Open Farm Hill's Science Diet
Dry Dog Food 5 Recipes 32 Recipes
Wet Dog Food 4 Recipes 30 Recipes
Dog Treats 5 Treats 15 Treats
Dry Cat Food 4 Recipes 18 Recipes
Wet Cat Food 6 Recipes 39 Recipes
Cat Treats

Compare Pet Food Prices Across Multiple Pet Stores

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