vs
Castor & Pollux vs Purina Puppy Chow

Castor & Pollux vs. Purina Puppy Chow

In this comparison article for Castor & Pollux vs Purina Puppy Chow, we'll highlight the key differences between these two pet food brands. To properly compare Castor & Pollux and Purina Puppy Chow, 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 Purina Puppy Chow vs Castor & Pollux comparison, we've utilized average data to make general comparisons. If you'd like to see individual product reviews, visit our Castor & Pollux Review Page or Purina Puppy Chow Review Page.

Guaranteed Analysis: Purina Puppy Chow vs. Castor & Pollux

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.

Castor & Pollux Dog Food vs. Purina Puppy Chow Dog Food

Dry Dog Food Castor & Pollux Purina Puppy Chow
Crude Protein 33.1% 31.5%
Crude Fat 16.9% 13.0%
Crude Fiber 4.1% 5.3%
Wet/Canned Dog Food Castor & Pollux Purina Puppy Chow
Crude Protein 39.9% 50%
Crude Fat 23.5% 22.7%
Crude Fiber 6.5% 6.8%

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.

There is a relatively insignificant difference between the crude protein content of the two brands. For wet dog foods, Purina Puppy Chow provides significantly more protein (about 10.14% more).


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.

There is a small difference between the fat content of Castor & Pollux and Purina Puppy Chow. We can see that Castor & Pollux guarantees about 3.95% more fat than Purina Puppy Chow. For wet dog foods, Castor & Pollux and Purina Puppy Chow provide roughly the same amount of fat.


Both brands provide roughly the same amount of crude fiber. With regards to wet dog food, Purina Puppy Chow and Castor & Pollux also provide roughly the same amount of crude fiber.

Castor & Pollux Pet Food Ingredients vs. Purina Puppy Chow Pet Food Ingredients

Here are some of the controversial ingredients used only by Castor & Pollux.

Garlic
Caramel
Pea Protein
Garlic Powder
Tomato Pomace
Powdered Cellulose
Organic Pea Protein
Organic Caramel Color
Organic Garlic Powder
Pea Protein Concentrate
Canola Oil (Preserved With Mixed Tocopherols)
Canola Oil (Preserved With Mixed Tocopherols And Citric Acid)

Here are some of the controversial ingredients used only by Purina Puppy Chow.

Liver
Brewers Rice
Animal Digest
Soybean Flour
Soybean Hulls
Corn Gluten Meal
Meat By-Products
Whole Grain Corn
Whole Grain Wheat
Meat And Bone Meal
Chicken By-Product Meal
Poultry By-Product Meal
Animal Fat (Preserved With Mixed Tocopherols)

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

Castor & Pollux and Purina Puppy Chow both use the following harmful ingredients in many of their products:

Menadione Sodium Bisulfite Complex

Here are some of the harmful ingredients used only by Purina Puppy Chow.

Bha
Bht
Red 3
Blue 2
Red 40
Yellow 5
Yellow 6
Added Color
Propylene Glycol
Menadione Sodium Bisulfite

Product Safety: Recall History of Castor & Pollux & Purina Puppy Chow?

Castor & Pollux has been recalled once.

  • May 23, 2018: elevated levels of beef thyroid hormone

According to our records, Purina Puppy Chow has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Dog Food Castor & Pollux Purina Puppy Chow
Per Pound $4.96 $1.09
Per Calorie $0.0030 $0.0007
Wet Dog Food Castor & Pollux Purina Puppy Chow
Per Pound $5.78 $2.21
Per Calorie $0.0122 $0.0040

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 Castor & Pollux or Purina Puppy Chow, 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 Castor & Pollux or Purina Puppy Chow will depend on your shopping habits.

Pet owners who use our price comparison feature typically save more than 25% off retail prices for Castor & Pollux and Purina Puppy Chow. 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 Castor & Pollux Pet Foods

You can purchase Castor & Pollux pet foods from the following stores:


58 Recipes In-Stock Today

25 Recipes In-Stock Today

51 Recipes In-Stock Today

Where To Buy Purina Puppy Chow Pet Foods

You can purchase Purina Puppy Chow pet food products from these retailers:


7 Recipes In-Stock Today

3 Recipes In-Stock Today

3 Recipes In-Stock Today

Type Of Pet Foods Available

Product Castor & Pollux Purina Puppy Chow
Dry Dog Food 14 Recipes 3 Recipes
Wet Dog Food 28 Recipes 3 Recipes
Dog Treats 22 Treats 1 Treats
Dry Cat Food 6 Recipes
Wet Cat Food 18 Recipes
Cat Treats 1 Treats

Compare Pet Food Prices Across Multiple Pet Stores