The PMR raw diet calculator calculates your pet's daily Prey Model Raw portions: 80% muscle meat, 10% raw edible bone, 5% liver, and 5% secreting organs — with no plant matter. Prey Model Raw mimics the nutritional profile of whole prey animals as closely as possible on a domestic feeding schedule.
PMR Calculator
Daily PMR Portions
Total daily amount:
Rotate proteins (chicken, beef, lamb, turkey, rabbit) monthly. Include heart regularly for taurine.
How to Use the PMR Calculator
Prey Model Raw (PMR) is a raw feeding philosophy that attempts to replicate the diet of a wild carnivore eating whole prey. Unlike BARF, PMR contains no plant matter — all nutrition comes from animal-based sources.
Step 1: Select Pet Type and Life Stage
Dogs and cats have slightly different needs within the PMR framework. Life stage determines the base intake percentage: adult pets eat 2–2.5% of body weight daily, while puppies and kittens need 5–8% to support growth. Seniors drop to 2% as metabolism decreases with age.
Step 2: Enter Weight and Activity Level
Enter your pet's ideal body weight, not necessarily their current weight — if they need to lose or gain, feed to the target. Activity level adjusts the percentage within the life stage range. A working farm dog at the same weight as a couch dog needs considerably more calories.
Step 3: Apply the PMR Ratios
The PMR breakdown is: 80% muscle meat (all boneless skeletal muscle, including heart), 10% raw meaty bones (chicken necks, wings, duck necks), 5% liver (chicken or beef liver), and 5% other secreting organs (kidney, pancreas, spleen). Achieving these ratios over a week is more practical than hitting them daily.
PMR Protein Rotation
Rotate through at least 4 different proteins: poultry (chicken, turkey, duck), red meat (beef, lamb, venison), and occasional fish (sardines, mackerel, salmon). Each protein source contributes different micronutrients and amino acid profiles. PMR relies on variety across protein sources to fill nutritional gaps that any single meat cannot provide alone.
FAQ
Is this PMR calculator free?
Yes, completely free with no account required. All calculations run in your browser and no data is stored.
What are the PMR ratios?
Prey Model Raw uses: 80% muscle meat, 10% raw edible bone, 5% liver, and 5% other secreting organs. Unlike BARF, PMR excludes all plant matter — it aims to replicate the nutritional profile of consuming whole prey animals.
What is the difference between PMR and BARF?
The key difference is plant matter: BARF includes 10% vegetables and fruit as a source of phytonutrients, while PMR uses no plant matter and instead allocates that 10% as additional muscle meat. PMR proponents argue that dogs and cats have no nutritional need for plant matter. Both approaches are used successfully by raw feeders.
How much PMR should I feed my dog daily?
Adult dogs typically eat 2–2.5% of their ideal body weight per day on PMR. A 40 lb dog needs roughly 0.8–1 lb of raw food daily. Adjust based on body condition — if your dog is gaining weight, reduce slightly; if losing, increase. Puppies need 5–8% of body weight due to rapid growth.
What counts as muscle meat in PMR?
Muscle meat includes all skeletal muscle tissue: chicken breast, thigh, and drumstick meat; beef chuck and round; pork shoulder; lamb leg; turkey breast and thigh. Heart is a muscle meat (not an organ) and is especially valuable for its high taurine content, important for cats.
Do I need to balance every PMR meal?
No — PMR balances over time like BARF. Aim for the correct ratios over a week, not each meal. Feed variety: rotate at least 3–4 different protein sources monthly and include different organ types to cover the micronutrient spectrum.