Nutrition Guides
Nutrition
Guides
Evidence-based nutrition education for every species you keep. Ingredient breakdowns, label reading, life stage feeding, grain-free comparisons, and expert species guides — all in one place.
Featured Guides
Expert Nutrition Education for Every Pet
Our guides are built around species biology, not marketing claims. Every article is reviewed against current nutritional science and updated regularly.
Dogs · Nutrition Foundations
Complete Dog Nutrition Guide
Cats · Nutrition Foundations
Feline Nutrition: The Obligate Carnivore
Dogs · Ingredient Deep Dive
Grain-Free vs Ancient Grains
Reptiles · Exotic Nutrition
Reptile Feeding & Gut-Loading Guide
Backyard Flock · Poultry Nutrition
Layer Hen Nutrition & Egg Quality
Multi-Species · Life Stage
Life Stage Feeding: Puppy to Senior
Browse by Species
Find Guides for Your Pet
Every species has fundamentally different dietary biology. Select yours for species-matched nutrition education.
Dogs
12 Guides
Cats
9 Guides
Reptiles
8 Guides
Birds
6 Guides
Rabbits
5 Guides
Flock
7 Guides
How to Read a Pet Food Label
Most pet food labels are written to confuse, not inform. Once you understand the structure, you can evaluate any product in under 60 seconds — regardless of the marketing on the front of the bag.
- ✓ Ingredient list is ordered by pre-cook weight — protein should be first
- ✓ "Meat meal" is more protein-dense than fresh meat after moisture loss
- ✓ Guaranteed Analysis tells you minimums, not actuals — dry matter matters
- ✓ Avoid vague terms: "animal digest", "by-product meal" without species named
- ✓ AAFCO statement confirms the diet is nutritionally complete for a life stage
Note: Nutritional requirements vary significantly by species, breed, age, and health status. Always consult a veterinary nutritionist for complex dietary decisions or pets with health conditions.
Ingredient Comparison
Grain-Free vs Ancient Grains — The Facts
One of the most debated topics in dog nutrition. Here's a straightforward breakdown of what the research actually shows.
| Factor | Grain-Free | Ancient Grains | Notes |
|---|---|---|---|
| Primary Carb Source | Peas, lentils, potatoes | Oats, quinoa, millet, barley | Neither is inherently superior for all dogs |
| Gluten Content | Naturally gluten-free | Contains some gluten (varies) | Only ~1% of dogs have true gluten sensitivity |
| DCM Research Link | FDA investigation ongoing | No known association | Correlation not confirmed as causation |
| Digestibility | Variable by legume type | Generally high | Cooking method matters significantly |
| Protein % Typical | Often higher (28–36%) | Moderate (24–30%) | Check dry matter basis for accurate comparison |
| Best Suited For | Dogs with grain sensitivities | Most dogs, especially active breeds | Consult vet for breed-specific needs |
Latest Articles
From the Talis Nutrition Library
In-depth articles written for informed pet owners who want to go beyond the basics.
Dogs · Protein
Understanding Protein Quality in Dog Food
Not all protein is equal. Learn how to evaluate bioavailability, amino acid profiles, and digestibility coefficients when comparing foods.
Read Guide →Reptiles & Exotics · Minerals
The Ca:P Ratio — Why It's Critical for Reptiles
Metabolic bone disease is preventable. Understanding calcium-to-phosphorus balance is the single most important concept in reptile nutrition.
Read Guide →Cats · Hydration
Why Cats Need Moisture-Rich Diets
Cats evolved as desert hunters with a low thirst drive. Chronic mild dehydration is the root cause of most feline urinary and kidney disease.
Read Guide →Put Knowledge Into Practice
Shop Products That Match the Science
Every product in the Talis store is selected to match the nutritional standards outlined in our guides.
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