1. What is MER for Cats?

The Maintenance Energy Requirement (MER) for cats estimates the daily caloric needs to maintain current body weight. It accounts for the cat's weight and activity level, providing a baseline for nutritional planning.

2. How Does the Calculator Work?

The calculator uses the MER equation for cats:

Where:

• \( weight_{kg} \) — Cat's weight in kilograms
• \( activity\_factor \) — Multiplier based on activity level (1.2-2.0)

Explanation: The equation accounts for the non-linear relationship between body weight and energy requirements, with adjustments for different activity levels.

3. Importance of MER Calculation

Details: Accurate MER estimation is crucial for maintaining optimal weight, preventing obesity or undernourishment, and planning appropriate feeding regimens.

4. Using the Calculator

Tips: Enter the cat's weight in kilograms and select the appropriate activity level. For weight loss, typically use 80% of MER; for weight gain, use 120% of MER.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between MER and RER?
A: Resting Energy Requirement (RER) is the baseline caloric need at complete rest, while MER includes activity factors.

Q2: How do I determine my cat's activity level?
A: Sedentary (indoor only, little play), Normal (some activity), Active (regular play/exercise), Very Active (outdoor/high energy).

Q3: Should I adjust MER for senior cats?
A: Yes, senior cats may need 10-20% fewer calories unless they remain very active.

Q4: What if my cat is overweight?
A: Use ideal body weight in calculations, not current weight, and consult a vet for weight loss plans.

Q5: How often should I recalculate MER?
A: Recalculate whenever weight changes by 10% or more, or if activity level significantly changes.