Raw Feeding Basics for Cats — Practical Guide

Practical, evidence-informed guide to raw feeding for cats: nutrient targets, calories, taurine, bone safety, commercial options, transitioning, and food-safety protocols.

Nutritional Snapshot

• Energy: Use RER = 70 × (kg)^0.75; typical adult maintenance MER ≈ 1.0–1.4 × RER. Example: 4 kg cat RER ≈ 198 kcal, MER ≈ 200–280 kcal/day depending on activity.
• Macronutrients (typical raw targets by kcal): Protein 45–60% kcal, Fat 30–50% kcal, Carbohydrate <10% kcal, Fiber <2–3%.
• Bone/calcium: Aim for 8–10% raw edible bone by weight (or provide equivalent calcium to achieve Ca:P ≈ 1.0–1.5:1).
• Taurine: Ensure diet meets AAFCO/NRC minimums — supplement if content isn’t verified (see details below).
• Feeding frequency: Adults 2 meals/day (or 2–3 small meals); kittens 3–6 meals/day.

Why raw feeding for cats requires special attention

Key references and standards: AAFCO nutrient profiles for cats, NRC nutrient recommendations, and WSAVA Global Nutrition Guidelines. Consult these and your veterinary team when planning a home-made or home-prepared raw diet.

Energy and feeding amounts (practical calculations)

• RER = 70 × (body weight in kg)^0.75

• Typical adult neutered indoor cat: MER ≈ 1.0–1.2 × RER
• Active or intact adult cat: MER ≈ 1.2–1.4 × RER
• Growing kittens, late-pregnancy queens: MER much higher (consult a professional)

• RER = 70 × 4^0.75 ≈ 198 kcal/day
• MER ≈ 1.2 × 198 ≈ 238 kcal/day (range ≈ 200–280 kcal/day depending on activity)

• 238 kcal/day → 238/150 × 100 g ≈ 158 g of product per day, split into 2 meals ≈ 79 g/meal.

Macronutrient targets and fiber

• Protein: 45–60% of metabolizable energy (kcal). On a dry-matter basis many complete raw diets provide ≥40% crude protein.
• Fat: 30–50% kcal (cats use fat efficiently for energy).
• Carbohydrate: Ideally <10% kcal (cats have limited carbohydrate requirement).
• Fiber: Minimal; excess fiber is unnecessary and may reduce protein density.

Key micronutrients and supplements (what to watch closely)

• Taurine: Essential for cats — deficiency causes dilated cardiomyopathy and retinal degeneration. Ensure the diet meets AAFCO minimums (consult label or lab analysis). If content is unknown, common practice is to supplement (typical supplemental doses range from 100–500 mg/day for adult cats depending on formulation; discuss exact dose with your veterinarian).
• Calcium & phosphorus: Target Ca:P ratio of ~1.0:1 to 1.5:1. Many raw feeders target 8–10% edible bone by weight or use a commercial calcium supplement to achieve this balance.
• Vitamin A: Cats require preformed vitamin A (retinol). Do not rely on beta-carotene conversion from plants.
• Vitamin D: Fat-soluble; ensure diet supplies vitamin D3 in adequate amounts. Excess is toxic; follow established formulations or commercial diets.
• Arachidonic acid: An essential omega-6 fatty acid found in animal fats — ensure animal-sourced fat is present.
• Omega-3 EPA/DHA: Beneficial; include fish or fish oil as appropriate for anti-inflammatory support (watch total fat balance).
• Trace minerals (zinc, copper, selenium) and B vitamins: Must meet established nutrient profiles.

Bone safety, grinding vs whole prey

• Raw, uncooked bones (e.g., chicken necks/wings, rabbit frames) are softer and less likely to splinter than cooked bones — many feeders include them for calcium and dental enrichment.
• Recommended target for bone inclusion: ~8–10% of total diet by weight (or provide equivalent calcium supplement). This produces a balanced Ca:P when the muscle meat and organs are included.
• Whole prey: Feeds natural ratios of muscle, organs, and bone and provides behavioral enrichment. Risks include choking (especially for smaller cats on larger bone pieces), dental fractures in some cats, and pathogen exposure. Supervision and appropriate prey size are essential.
• Ground/processed raw: Advantages include consistent nutrient ratios, easier portioning, and reduced choking risk. Grinding helps distribute bone evenly. Use equipment intended for raw meat or purchase commercial ground raw diets.
• Avoid cooked bones: Cooked bones can splinter and cause gastrointestinal puncture or obstruction.

Commercial raw options — what to look for

• Formats: Frozen patties, frozen minced, frozen whole prey, freeze-dried, air-dried or gently pasteurized raw products.
• Look for: An AAFCO statement of “complete and balanced” for the life stage, or feeding trials—this helps ensure nutrient adequacy. If the product is labeled “prey model” or whole-prey without a complete statement, additional supplementation may be needed.
• Production and testing: Prefer manufacturers using HACCP plans, pathogen testing, and third-party nutrient analyses.
• Packaging and handling: Single-portion packaging reduces cross-contamination and helps thawing/feeding portions safely.

Transitioning from kibble to raw

• Slow transition reduces GI upset. Typical schedule over 7–14 days:

• Watch stool consistency, appetite, vomiting, and behavior. If GI upset occurs, slow the transition or consult your veterinarian.
• If switching to a new product or homemade formula, run the same plan and monitor.

Recommended feeding schedule

• Adults: 2 meals/day (morning and evening) or 2–3 small meals. Cats often prefer multiple small meals but many adapt to twice daily feeding.
• Kittens: 3–6 small meals/day depending on age and growth stage.
• Divide the daily kcal into meal portions based on MER. Measure by weight every time.
• Keep feeding times consistent and monitor weight weekly.

Food-safety protocols (for pet and human safety)

• Storage: Keep raw food frozen at ≤ −18°C (0°F) or refrigerated at ≤ 4°C (40°F). Use within 24–48 hours when thawed in the fridge.
• Thawing: Thaw in the refrigerator, not on the countertop. Use sealed containers to prevent leaks.
• Serving & leftovers: Serve in a clean bowl. Discard any uneaten raw food left at room temperature >2 hours (1 hour if >30°C/86°F).
• Cross-contamination: Clean and sanitize surfaces, utensils, and hands after handling raw pet food. Use separate cutting boards or thoroughly wash with hot, soapy water and a sanitizer.
• Vulnerable humans: Households with young children, pregnant people, elderly or immunocompromised people should avoid handling raw pet food and select pasteurized or cooked options instead.
• Pathogens: Salmonella, Listeria, and E. coli risk exists. Many manufacturers use pathogen-reduction steps (e.g., high-pressure processing, freeze-drying) — consider these if concerned.
• Parasites: Use meat sources from reputable suppliers and consider routine fecal testing in pets. Freezing at −18°C for several days can reduce some parasite risk, but protocols vary by species.

Sample meal plan (4.0 kg neutered adult cat, MER ≈ 240 kcal/day)

• Daily total: 240 kcal → ~160 g total/day
• Option A (2 meals): 80 g AM + 80 g PM
• Option B (3 meals): 55 g each meal

Signs your raw diet is working

• Steady, appropriate body weight (no unexplained loss)
• Shiny coat and healthy skin
• Firm, well-formed stools (small volume)
• Good energy and normal behavior
• Normal appetite and hydration
• Normal routine veterinary bloodwork (periodic checks)

Red flags — when the diet needs adjusting or vet attention

• Weight loss or gain despite consistent feeding amounts
• Diarrhea, vomiting, or frequent soft stools during or after transition
• Lethargy, weakness, or exercise intolerance (could indicate taurine deficiency or other metabolic issues)
• Poor coat quality, hair loss, or flaky skin
• Straining to urinate, bloody urine, or frequent urination (seek immediate veterinary care — urinary issues can be diet-related)
• Recurrent infections or illness (possible immune or nutritional issue)

Practical tips & takeaways

• Prioritize nutrient completeness: Prefer commercial raw diets labeled “complete and balanced” or home recipes developed and analyzed by a board-certified veterinary nutritionist.
• Taurine and calcium are non-negotiable: verify levels or supplement.
• Use safe bone practices: raw edible bone 8–10% or calcium supplement; avoid cooked bones.
• Follow strict food-safety protocols to protect people and pets.
• Monitor weight, body condition, stool quality, and periodic bloodwork.

Primary resources and further reading

• WSAVA Global Nutrition Guidelines — World Small Animal Veterinary Association
• AAFCO Official Publication and Cat Food Nutrient Profiles
• NRC Nutrient Requirements of Dogs and Cats (NRC press)

Frequently Asked Questions