Preventing and Treating Obesity in Indoor Cats

Obesity is not just a cosmetic issue; it’s a serious health concern for our cats. Understanding how to prevent and address obesity in indoor cats is crucial for their well-being and longevity. This article delves into why obesity is a critical issue, how to determine if your cat is overweight, and practical steps for both prevention and treatment. 

Most of our feline friends live predominantly, if not completely indoors. They no longer roam and hunt for their food, which means they expend fewer calories daily than they would in the wild. This makes indoor cats very prone to developing obesity.  

Why Prevent and Treat Obesity? 

Obesity in cats is more than just extra weight; it’s considered a chronic inflammatory disease with far-reaching health implications. Obese cats may face a significantly shortened lifespan. The health issues associated with feline obesity include: 

  • Heart Disease: Excess weight strains the heart, leading to various cardiovascular problems. 
  • Lung Disease: Obesity can impair lung function and respiratory health. 
  • Insulin Resistance and Diabetes: Fat accumulation can lead to insulin resistance, eventually resulting in diabetes. 
  • Osteoarthritis: Extra weight puts additional stress on joints, leading to arthritis. 
  • Fatty Liver Disease: Also known as hepatic lipidosis, this condition is prevalent in obese cats and can be life-threatening. 
  • Kidney Disease: Obesity increases the risk of kidney disease. 
  • Altered Microbiome: Excess weight can disrupt the balance of gut bacteria, impacting overall health. 

Infographic by Catster.com

Is My Cat Overweight? 

To determine if your cat is overweight, veterinarians use a chart called the Body Condition Score (BCS). This 9-point scale evaluates your cat’s body shape and fat distribution, with a BCS of 5 considered ideal. To assess your cat’s condition, refer to a BCS chart, which helps you visually gauge whether your cat falls within the healthy range or is overweight.  

Preventing Obesity 

Prevention is always better than cure, and there are several effective strategies to keep your cat at a healthy weight: 

  1. Adjust Caloric Intake According to Life Stage: 
    Consult with your vet to determine the appropriate caloric intake for your cat based on their age, size, and activity level. This adjustment helps prevent unnecessary weight gain. For example, after spaying or neutering, cats tend to burn fewer calories at rest, so caloric intake may need to be adjusted. 

  2. Avoid Free Feeding: 
    Free feeding, where food is left out all day, can lead to overeating. 
    Solution: Measure out your cat’s daily food portion and serve it in scheduled meals. Establish a strict feeding schedule to control calorie intake. For example, you might say, ‘I will give my cat ¼ cup of dry food in the morning and evening, along with 2-3 treats throughout the day.’ If you’re unsure how much to feed, ask your veterinarian for guidance! 

  3. Monitor Multi-Cat Households: 
    In homes with multiple cats, some may eat more than their fair share, leading to weight issues for both overweight and underweight cats. 
    Solution: Create separate feeding stations for each cat to prevent food theft. Consider using puzzle feeders or timed feeders to slow down eating and ensure each cat gets their portion. 

  4. Regular Vet Check-Ups: 
    Regular vet visits allow for early detection of obesity, enabling prompt treatment and dietary adjustments. This proactive approach helps maintain your cat’s health. 

  5. Incorporate Canned Food: 
    Studies suggest that dry food can contribute to obesity due to its higher carbohydrate content. Canned food, with its higher moisture content, helps cats feel fuller with fewer calories. 

  6. Provide Enrichment: 
    Cats need mental and physical stimulation to stay healthy and prevent boredom, which can lead to overeating.

  7. Solution: Offer a variety of toys, such as interactive puzzles and feather wands. Create opportunities for exercise, like climbing structures or play sessions, to help your cat burn off excess energy. 

Treating Obesity 

If your cat is already overweight, don’t despair. Here are steps to help your feline friend return to a healthier weight: 

  1. Calculate Caloric Needs
    To help your cat lose weight, you need to establish a target caloric intake for gradual and healthy weight loss. Steps to calculate:
    • Determine Current Caloric Intake: Calculate all sources of calories—main meals, treats, and table scraps. 
    • Calculate Weight Loss Calories: Consult with your veterinarian to determine a safe caloric deficit, typically 20-25% reduction from the current amount. 
  2. Choose the Right Diet
    • Weight Loss Prescription Diets: These diets provide essential nutrients while being lower in calories. Consult with your veterinarian who can provide you with a prescription.  
    • High Protein, Low Carbohydrate: A diet high in protein and low in carbohydrates helps preserve muscle mass while promoting fat loss. Ask your veterinarian for examples of high protein, low carb diets.  
    • High Fiber: High-fiber diets can help your cat feel fuller longer without adding many calories. Ask your veterinarian for examples of high fiber diets.  
    • Canned Food: Canned food often has higher moisture content, allowing your cat to eat a larger volume while consuming fewer calories. 
  3. Increase Physical Activity
    • Daily Playtime: Just 10-15 minutes of play each day can significantly aid in weight loss. 
    • Enrichment Tools:  
      • Puzzle Feeders: Slow down feeding and encourage mental stimulation. 
      • Outdoor Access: If safe and approved by your veterinarian, consider options like leash walks or outdoor enclosures. 
      • Vertical Spaces: Cat trees and wall-mounted shelves provide opportunities for climbing and play.

A Note on Weight Loss Rate 

It’s important to approach weight loss gradually to avoid complications like fatty liver disease. Aim for a weight loss rate of approximately 1-2% of body weight per week (this usually amounts to 0.5-1lb of weight loss per cat a month depending on their starting weight). Make sure to regularly update your veterinarian with your cat’s weight loss progress. 

By following these guidelines for preventing and treating obesity, you can help ensure your cat leads a healthier, happier life.