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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 33.8% 31.4%
Crude Fat 16.8% 13.1%
Crude Fiber 4.4% 5.3%

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.

There is a small difference between the protein content of Castor & Pollux and Purina Puppy Chow. We can see that Castor & Pollux guarantees about 2.35% more protein than Purina Puppy Chow.


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.

According to our average data, Purina Puppy Chow typically provides less fat than Castor & Pollux. However, this difference is relatively small and doesn't represent a significant difference between the two brands.


There is a relatively insignificant difference between the crude fiber content of the two brands.

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.

Brewers Rice
Animal Digest
Soybean Hulls
Corn Gluten Meal
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.

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

Blue 2
Red 40
Yellow 5
Yellow 6
Propylene Glycol
Menadione Sodium Bisulfite Complex

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 $4.23 $1.02
Per Calorie $0.0025 $0.0006

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:


90 Recipes In-Stock Today

53 Recipes In-Stock Today

48 Recipes In-Stock Today

3 Recipes In-Stock Today

Where To Buy Purina Puppy Chow Pet Foods

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


4 Recipes In-Stock Today

4 Recipes In-Stock Today

2 Recipes In-Stock Today

Type Of Pet Foods Available

Product Castor & Pollux Purina Puppy Chow
Dry Dog Food 21 Recipes 4 Recipes
Wet Dog Food 34 Recipes
Dog Treats 23 Treats
Dry Cat Food 6 Recipes
Wet Cat Food 18 Recipes
Cat Treats 1 Treats

Compare Pet Food Prices Across Multiple Pet Stores