Castor & Pollux Organix Grain-Free Adult Dog Food

  • Editor Rating

  • Rated 3.5 stars
  • Very Good
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  • Castor & Pollux Organix Grain-Free Adult Dog Food
  • Published on: August 11, 2015
  • Last modified: August 13, 2015
  • Dog likes taste
    Editor: 0%
  • I will buy again
    Editor: 0%

Review Summary:

This organic recipe is relatively high in protein and a heavy contribution is from chicken meat and poultry meal. Then there are other meats further down the ingredient list too, including Salmon meal that contributes healthy fatty Omega-3 acids too. Meat proteins ensure all essential amino acids are made available to the dog’s needs. However, the use of a generic meat type such as poultry and not specifying the exact poultry type is not favorable, because it questions the source and quality of where it came from, especially if you are going to paying a relative premium price. In the top 5 ingredients, you’ll find added Tapioca, which almost a pure carbohydrate rich ingredient. It is typically added for energy, but offer little to no nutritional value beyond carbs. Another substitute would be preferred with higher nutritional value. The added supplementary minerals are “protienate” to help make it easier for the body to absorb. Overall, this recipe good and above average.


  • Relatively higher in protein
  • Provides Omega-3 and 6 fatty acids content
  • Chelated / Proteinate minerals for better body absorption
  • Cons

  • Generic Poultry ingredient sources
  • Added Tapioca
  • This review also applies to:

    • Organix Grain-Free Adult Dog Food
    • Organix Small Breed Grain-Free Adult dog food

    Quick Nutritional Breakdown:

    Protein Fat Fiber Moisture Carbs
    30% (min) 12% (min) 3.5% (max) 10% (max) 36% (Est.)

    *Values by Guaranteed Analysis.
    **Estimated carbs do not include fiber.

    Detailed Nutritional Facts:

    Calories 395 (per cup)
    Vitamin A NA
    Vitamin C NA
    Vitamin E 75 IU/kg
    Calcium 1%
    Phosphorus 0.8%
    Selenium NA
    Zinc NA
    Docosahexaenoic Acid (An Omega-3 fatty acid) NA
    Linoleic Acid (An Omega-6 fatty acid) NA
    Omega-3-acid 0.65%
    Omega-6 fatty acid 1.75 %

    Ingredients Analysis

    First 5 Ingredients:

    1. Chicken
    2. poultry meal
    3. Tapioca
    4. Peas
    5. Soybean meal

    Chicken is a good start and source of protein with all the essential amino acids for dogs, but keep in mind on this ingredient rank list, it factors in the water content, which is roughly about 70% or more water.

    Poultry meal is rendered parts from grinding carcasses and/or remains after the main meat is removed. There are pros and cons to meal. Its advantage is it provides lots of protein for a relatively lower cost and contains low moisture content relative to straight forward named meat ingredients. However, it goes through an extensive heating and processing to ensure it is safe to eat. Not much flavor is preserved and other nutrients are wiped out. Please note the animal type is not specified, it just says “Poultry”. This generic term leaves an open door to where they may have procured the “Poultry” from. This may allow for higher odds of a bad source such as a sick, euthanized, or road kill, which are just a few examples among many other possibilities.

    Tapioca or Tapioca starch (also known as tapioca flour) is high in carbohydrates and calories. It is good for energy, but of course too much carbs will go towards storage as fat. Beyond this, it does not offer much nutrients, fiber, or protein. This ingredient is a poor choice for average dog’s diet.

    Peas are a good source of fiber and protein, but note that it does contribute carbohydrates.

    Soybean meal is the remains after grinding the soybean to extract the oil. It is a low cost source of protein with all essential amino acids for dogs, and it’s commonly found in animal feed.

    Other Ingredients to be Aware of

    Potatoes are a starchy food, thus it does contributes carbohydrates. Notably it is a good source for fiber, vitamin C B6, and potassium.

    Rosemary oil or Rosemary extract has a few health benefits and can be found in various dog food brands. One of them is an antioxidant. It can also improve or be a stimulant to the circulatory system. However, some say it is associated with epileptic seizure for some dogs. There is no concrete evidence of this, thus we suggest be caution about it and avoid it if your dog had any past seizures or instability.

    All Ingredients

    organic chicken, poultry meal, organic tapioca, organic peas, organic soybean meal, organic potato, dried egg product, salmon meal, poultry fat (preserved with mixed tocopherols and citric acid), organic chicken liver, natural chicken flavor, organic flaxseed, salt, minerals (zinc proteinate, iron proteinate, copper proteinate, manganese proteinate, calcium iodate, sodium selenite), potassium chloride, choline chloride, vitamins (vitamin e supplement, l-ascorbyl-2 polyphosphate, vitamin a supplement, calcium pantothenate, niacin, riboflavin, vitamin b12 supplement, biotin, thiamine mononitrate, pyridoxine hydrochloride, folic acid, vitamin d3 supplement), yeast culture (saccharomyces cerevisiae), dried enterococcus faecium fermentation product, dried lactobacillus acidophilus fermentation product, dried aspergillus niger fermentation extract, dried trichoderma longibrachiatum fermentation extract, dried bacillus subtilis fermentation solubles, rosemary extract.

    Manufacture and Location

    Manufactured by: Merrick
    Location(s): Hereford, Texas USA


    Any known recalls for any dog food products from this manufacture from 2013.

    • None

    *Recall information from FDA website.


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