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Merrick Backcountry Raw Infused Large Breed Grain Free Dry Dog Food Wysong Optimal Adult Dry Dog Food

Wysong Optimal Adult Dry Dog Food scores higher on KibbleLab, 8.4 to 8.0. Compare ingredients, guaranteed analysis, and AAFCO nutritional adequacy, side by side.

Merrick Backcountry Raw Infused Large Breed Grain Free Dry Dog Food and Wysong Optimal Adult Dry Dog Food compared

Nutrients:
As Fed
Merrick Backcountry Raw Infused Large Breed Grain Free Dry Dog Food
Merrick Backcountry Raw Infused Large Breed Grain Free Dry Dog Food

Verified Jul 21, 2026

Wysong Optimal Adult Dry Dog Food
Wysong Optimal Adult Dry Dog Food

Verified Jul 26, 2026

KibbleLab score The KibbleLab expert rating, 0 to 10, based on published veterinary science.
8.0 / 10 8.4 / 10
Guaranteed analysis (as fed)
Protein Guaranteed analysis gives label minimums and maximums, not measured values, shown as fed.
34.00% 42.00%
Fat 17.00% 14.00%
Fiber 3.50% 5.50%
Omega-3 0.30% Not listed
Omega-6 2.30% Not listed
Taurine 0.17% Not listed
Moisture Higher moisture means a wetter food; it dilutes the other percentages above.
11.00% 10.00%
Calories 3704 kcal/kg 3740 kcal/kg
Calorie density Moderate Moderate
Ingredients
Full ingredient list Every ingredient on each label, in order of weight.
Deboned Chicken, Chicken Meal, Turkey Meal, Sweet Potatoes, Peas, Potatoes, Pea Protein, Chicken Fat, Natural Flavor, Lamb, Miscanthus Grass, Dried Yeast, Flaxseed, Tapioca Starch, Chicken Livers, Potassium Chloride, Salt, Chicken Hearts, Choline Chloride, MINERALS [Zinc Amino Acid Complex, Iron Amino Acid Complex, Sodium Selenite, Manganese Amino Acid Complex, Copper Amino Acid Complex, Calcium Iodate], Salmon Oil, DL-Methionine, Sunflower Oil, Taurine, VITAMINS [Vitamin E Supplement, Vitamin B-12 Supplement, Vitamin A Supplement, Niacin (Vitamin B-3), Thiamine Mononitrate (Vitamin B-1), Calcium Pantothenate (Vitamin B-5), Folic Acid (Vitamin B-9), Riboflavin Supplement (Vitamin B-2), Menadione Sodium Bisulfite Complex (Vitamin K), Pyridoxine Hydrochloride (Vitamin B-6), Biotin (Vitamin B-7), Vitamin D-3 Supplement], Gelatin, Mixed Tocopherols For Freshness. B277723 Show full list
Chicken Meal, Organic Chicken, Turkey Meal, Pea Protein, Peas, Sweet Potato, Chicken Fat (preserved with Mixed Tocopherols), Flaxseeds, Dried Plain Beet Pulp, Natural Flavor, Dried Whey Protein Concentrate, Montmorillonite Clay, Crab Meal, Coconut Oil, Chia Seeds, Salt, Calcium Carbonate, Taurine, Calcium Propionate (a preservative), Dried Tomato Pomace, Choline Chloride, Yeast Extract, Organic Barley Grass Powder, Dried Blueberry Powder, Dried Kelp, Dried Yogurt, Dried Apple Fiber, Citric Acid (a preservative), Dried Kale, Dried Spinach, Dried Carrots, Fish Oil, Inulin, Mixed Tocopherols (a preservative), Rosemary Extract, Yeast Culture, Minerals (Potassium Chloride, Zinc Proteinate, Zinc Sulfate, Ferrous Sulfate, Iron Proteinate, Copper Sulfate, Copper Proteinate, Manganese Sulfate, Manganese Proteinate, Sodium Selenite, Calcium Iodate), Vitamins (Ascorbic Acid [source of Vitamin C], Vitamin E Supplement, Niacin Supplement, Calcium Pantothenate, Vitamin A Supplement, Thiamine Mononitrate, Pyridoxine Hydrochloride, Riboflavin Supplement, Vitamin D3 Supplement, Biotin, Vitamin B12 Supplement, Folic Acid), Dried Aspergillus oryzae Fermentation Extract, Dried Enterococcus faecium Fermentation Product, Dried Lactobacillus casei Fermentation Product, Dried Lactobacillus acidophilus Fermentation Product, Dried Bacillus subtilis Fermentation Extract, Dried Lactobacillus plantarum Fermentation Product, Dried Lactobacillus lactis Fermentation Product, Pepper. Show full list
Limited ingredient No No
Health focus Skin coat health, Joint care, High energy Probiotic support, Digestive health, Skin coat health, Metabolic support
Format & suitability
Food type Dry Dry
Texture Kibble Kibble
Processing Freeze Dried Extruded
Life stage Adult Adult
Breed size Large All Breed Sizes
AAFCO nutritional adequacy
Complete & balanced Whether the manufacturer's label claims the food meets AAFCO nutrient profiles for a life stage. Not an independent test.
Not indicated Yes
Life stages Not listed Adult Maintenance
Substantiation How adequacy was established. Feeding trials are the higher bar; formulation means the recipe is calculated to meet the profile.
Not listed Formulation
Maker standards
WSAVA guidelines The World Small Animal Veterinary Association publishes criteria for evaluating a manufacturer: qualified nutritionists on staff, feeding trials, and published research. It does not certify or endorse brands.
No No
PSC accredited The Pet Sustainability Coalition is a nonprofit that accredits pet companies on their environmental and social impact through third-party verification. It reflects sustainability practices, not food quality.
No No
Recalls & where to buy
Recalls on record KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.
None None
Where to buy
Amazon
Amazon Chewy

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Shared ingredients

Both foods list these among their top ingredients, by label weight.

  • Chicken
  • Turkey
  • Sweet Potato
  • Pea
  • Pea Protein
  • Chicken Fat

Not sure which is right for your pet?

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Common Questions

Which food scores higher on KibbleLab?

Wysong Optimal Adult Dry Dog Food scores higher, 8.4 to 8.0 out of 10. Scores reflect published veterinary science.

Do these two foods share ingredients?

Yes. They share these top ingredients: Chicken, Turkey, Sweet Potato, Pea, Pea Protein, Chicken Fat.

Are both foods AAFCO complete and balanced?

Merrick Backcountry Raw Infused Large Breed Grain Free Dry Dog Food does not list an AAFCO status; Wysong Optimal Adult Dry Dog Food is labeled complete and balanced.

See the full profiles: Merrick Backcountry Raw Infused Large Breed Grain Free Dry Dog Food and Wysong Optimal Adult Dry Dog Food .

KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.

This is a neutral, factual comparison, not a ranking or an endorsement of either product. A food's guaranteed analysis gives legal minimums and maximums for a few nutrients, not measured values. No one can pay for placement or a higher score.

Product details are compiled from public sources and may not reflect the latest formulation. Represent one of these brands? Request a correction. Anyone else can email us.