Weight Loss Calories Formula:
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This calculation determines the appropriate daily caloric intake for feline weight loss, based on the Mayo Clinic's recommendations. It uses the Resting Energy Requirement (RER) multiplied by 0.8 to create a safe caloric deficit.
The calculator uses two formulas:
Where:
Explanation: The formula accounts for the non-linear relationship between body weight and metabolic needs in cats.
Details: Proper calorie restriction is essential for safe feline weight loss. Too rapid weight loss can cause hepatic lipidosis, while insufficient reduction won't achieve weight loss.
Tips: Weigh your cat accurately in kilograms. For best results, consult with your veterinarian before starting any weight loss program.
Q1: Why multiply RER by 0.8?
A: This creates a 20% caloric deficit, which is generally safe for gradual weight loss (1-2% of body weight per week).
Q2: How often should I recalculate?
A: Recalculate every time your cat loses 10% of its body weight, as metabolic needs change with weight.
Q3: What if my cat isn't losing weight?
A: Consult your vet. Some cats may need adjustments to 0.7 × RER, but this should be veterinarian-supervised.
Q4: Are there exceptions to this formula?
A: Yes, very obese cats or those with medical conditions may need customized plans. Always consult your vet.
Q5: What's the best way to measure food?
A: Use a digital kitchen scale for accuracy, as volume measurements (cups) can be imprecise.