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Castor & Pollux vs Whole Earth Farms

Castor & Pollux vs. Whole Earth Farms

In this comparison article for Castor & Pollux vs Whole Earth Farms, we'll highlight the key differences between these two pet food brands. To properly compare Castor & Pollux and Whole Earth Farms, 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 Whole Earth Farms 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 Whole Earth Farms Review Page.

Guaranteed Analysis: Whole Earth Farms 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. Whole Earth Farms Dog Food

Dry Dog FoodCastor & PolluxWhole Earth Farms
Crude Protein32.6%29.0%
Crude Fat17.1%15.1%
Crude Fiber4.2%5.0%
Wet/Canned Dog FoodCastor & PolluxWhole Earth Farms
Crude Protein39.9%39.2%
Crude Fat23.5%21.2%
Crude Fiber6.5%8.1%

Crude Protein Comparison For Dog Food

Protein is an extremely important part of your dog's diet. Without sufficient protein, dogs can develop a wide-range of serious health problems.

According to our data, Castor & Pollux guarantees 3.62% more protein than Whole Earth Farms. Although this difference is relatively small, it's still a notable difference. For wet dog foods, Castor & Pollux and Whole Earth Farms provide roughly the same amount of protein.


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 Whole Earth Farms. We can see that Castor & Pollux guarantees about 2.01% more fat than Whole Earth Farms. In addition, Castor & Pollux wet dog foods also provide more fat than Whole Earth Farms wet foods.


Castor & Pollux and Whole Earth Farms both provide roughly the same amount of crude fiber. With regards to wet dog food, Whole Earth Farms and Castor & Pollux also provide roughly the same amount of crude fiber.

Castor & Pollux Cat Food vs. Whole Earth Farms Cat Food

Dry Cat FoodCastor & PolluxWhole Earth Farms
Crude Protein38.2%39.6%
Crude Fat15.7%14.8%
Crude Fiber4.0%4.7%
Wet/Canned Cat FoodCastor & PolluxWhole Earth Farms
Crude Protein43.3%42.2%
Crude Fat20.4%19.7%
Crude Fiber5.7%12.4%

Crude Protein Comparison For Cat Food

Protein is an extremely important part of your cat's diet. Without sufficient protein, cats can develop a wide-range of serious health problems.

There is a relatively insignificant difference between the crude protein content of the two brands. With regards to wet cat food, Castor & Pollux and Whole Earth Farms also provide roughly the same amount of crude protein.


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. With regards to wet cat food, Castor & Pollux and Whole Earth Farms also provide roughly the same amount of crude fat.


As you can see, Castor & Pollux and Whole Earth Farms guarantee a similar amount of crude fiber. For wet cat foods, Whole Earth Farms provides more fiber (about 6.69% more).

Castor & Pollux Pet Food Ingredients vs. Whole Earth Farms Pet Food Ingredients

Castor & Pollux and Whole Earth Farms both use the following controversial ingredients in many of their products:

Pea Protein

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

Garlic
Caramel
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 Whole Earth Farms.

Canola Meal
Caramel Color

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

Castor & Pollux and Whole Earth Farms both use the following harmful ingredients in many of their products:

Menadione Sodium Bisulfite Complex

Product Safety: Recall History of Castor & Pollux & Whole Earth Farms?

Castor & Pollux has been recalled once.

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

According to our records, Whole Earth Farms has never been recalled.

Price Comparison: Which Brand Is More Expensive?

Dry Dog FoodCastor & PolluxWhole Earth Farms
Per Pound$5.01$3.33
Per Calorie$0.0030$0.0021
Dry Cat FoodCastor & PolluxWhole Earth Farms
Per Pound$5.50$6.34
Per Calorie$0.0033$0.0040
Wet Dog FoodCastor & PolluxWhole Earth Farms
Per Pound$8.32$5.63
Per Calorie$0.0182$0.0108
Wet Cat FoodCastor & PolluxWhole Earth Farms
Per Pound$9.65$7.73
Per Calorie$0.0214$0.0150

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 Whole Earth Farms, 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 Whole Earth Farms 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 Whole Earth Farms. 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:


46 Recipes In-Stock Today

10 Recipes In-Stock Today

35 Recipes In-Stock Today

Where To Buy Whole Earth Farms Pet Foods

You can purchase Whole Earth Farms pet food products from these retailers:


11 Recipes In-Stock Today

12 Recipes In-Stock Today

17 Recipes In-Stock Today

Type Of Pet Foods Available

ProductCastor & PolluxWhole Earth Farms
Dry Dog Food17 Recipes9 Recipes
Wet Dog Food28 Recipes15 Recipes
Dog Treats22 Treats3 Treats
Dry Cat Food6 Recipes5 Recipes
Wet Cat Food18 Recipes17 Recipes
Cat Treats1 TreatsNone

Top Rated Castor & Pollux Recipes

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Top Rated Whole Earth Farms Recipes

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Healthy Grains Chicken & Rice Recipe For Puppies
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Grain Free Recipe Healthy Kitten
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Grain Free Canned Real Turkey Recipe Pate
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