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Cats cannot synthesise taurine. Calculate a PMR (Prey Model Raw) ration balanced in taurine in under a minute.
British Shorthair
5.5 kg
An ideal-weight cat has ribs that can be felt but not seen. If your cat needs to slim down, base the ration on the ideal weight.
chicken, turkey, rabbit, beef heart
poultry wings or necks (never cooked)
chicken or beef liver
kidney, spleen, brain
Insufficient intake: add 1–2 portions of beef heart or whole sardine per week.
Key sources: beef heart (~300 mg / 100 g), whole sardines, raw egg yolk 1×/week.
Critical warning: Cats are strict carnivores. NEVER feed a vegetarian or vegan diet — risk of heart disease (DCM) and blindness from taurine deficiency (NRC 2006).
Veterinary notice
This information is educational. An unbalanced BARF/PMR diet can cause severe deficiencies (taurine, calcium, vitamin A). Consult a feline veterinary nutritionist.