Castor and Pollux

Castor and Pollux Ultramix Grain Free Duck Sweet Potatoes and Whole Peas Dry Dog Food

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Now you can provide some much needed variety in your dog's diet without sacrificing healthy nutrition. New Natural Ultramix® Dry Food for Dogs features two new recipes featuring all-natural duck or beef protein, plus wholesome vegetables with essential nutrients. Our duck recipe is even grain-free—ideal for dogs sensitive to grains.

  • #1 ingredient is duck
  • Contains probiotics to help support digestion
  • Rich in antioxidants and essential fatty acids
  • Grain-free for dogs sensitive to grains
  • No artificial colors, flavors or preservatives ever!
  • No grains, corn, wheat or soy
  • Rich in antioxidants
  • Cooked with love in the USA with the world's best ingredients.
  • Tested throughout the production process to ensure quality and safety
  • Available in 5.5, 25 lb sizes


Duck, Turkey Meal, Chicken, Lamb Meal, Salmon Meal, Sweet Potatoes, Potatoes, Natural Favor, Peas, Potato Protein, Pea Protein, Bananas, Carrots, Apples, Cranberries, Blueberries, Organic Alfalfa, Salmon Oil, Salt, Minerals (Zinc Amino Acid Complex, Zinc Sulfate, Iron Amino Acid Complex, Manganese Amino Acid Complex, Copper Amino Acid Complex, Potassium Iodide, Cobalt Amino Acid Complex, Sodium Selenite), Choline Chloride, Vitamins (Vitamin E Supplement, Vitamin A Supplement, Vitamin B12 Supplement, D-Calcium Pantothenate, Vitamin D3 Supplement, Niacin, Riboflavin Supplement, Biotin, Pyridoxine Hydrochloride, Folic Acid, Thiamine Mononitrate), Chicken Fat (Preserved with Mixed Tocopherols), Duck Fat (Preserved with Mixed Tocopherols), Dried Chicory Root, Yucca Schidigera Extract, Dried Lactobacillus Plantarum Fermentation Product, Dried Lactobacillus Casei Fermentation Product, Dried Enterococcus Faecium Fermentation Product, Dried Lactobacillus Acidophilus Fermentation Product, Gelatin, Rosemary Extract


Crude Protein (Not Less Than) 38.00%
Crude Fat (Not Less Than) 17.00%
Crude Fiber (Not More Than) 3.50%
Moisture (Not More Than) 11.00%
Calcium (Not Less Than) 1.00%
Phosphorus (Not Less Than) 0.80%
Vitamine E (Not Less Than) 50 IU/kg
Omega-6 fatty acid* (Not Less Than) 4.50%
Omega-3 fatty acid* (Not Less Than) 0.40%
Glucosamine* (Not Less Than) 1200 mg/kg
Chondroitin Sulfate* (Not Less Than) 1200 mg/kg

AAFCO Dog Food Nutritional Facts

Natural Ultramix Grain-Free Duck Sweet Potatoes & Whole Peas Entree dog food is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance.


If Your Pet Weighs Cups/Day (Approx)
3 1/3 cup
6 1/2 cup
10 3/4 cup
15 1 cup
20 1 1/4 cups
30 1 3/4 cups
40 2 1/4 cups
50 2 1/2 cups
60 3 cups
70 3 1/4 cups
80 3 3/4 cups
90 4 cups
100 4 1/4 cups

Daily Feeding Guidelines: Looking at the chart above, divide the total cups per day by the total number of times you feed your dog per day to determine the portion size for each meal. Keep a clean bowl of fresh water available at all times. Every dog is a little different, so optimal feeding amounts may vary with age, size, and activity level. Please use the information adjust when needed. Dry and wet food in combination diet. If feeding with wet food, reduce dry amount by ½ cup for every 6 oz of wet food.

Portions are based on a standard 8 ounce dry measuring cup.

For dogs over 100 lbs: Add ¼ cup per additional 10 lbs.

Transitioning: Gradually mix in the new food over a 5-7 day period, increasing the amount of Natural Ultramix each day.

3,740 kcal/kg or 460 kcal/cup ME (metabolizable energy) on an as-fed basis (calculated).