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Pet Parenting PlaybookBy Author Dr. Ashim Sarkar, BVSc & AH· Last reviewed Jul 30, 2025

Cat Food Made Simple

Quick Answer

In Indian homes, where summers are hot, monsoons are humid, and many cats live indoors, getting cat food and hydration right can prevent urinary issues, obesity, hairballs, picky eating, and tummy upsets.

Cat Food Made Simple
Reviewed by Dr. Ashim Sarkar, BVSc & AH, veterinarian with 2.5 years of hands-on experience in small animal practice. This content is for informational purposes only and does not constitute veterinary advice. Always consult a licensed veterinarian for your pet's health concerns.

The Basics of Cat Nutrition

Cats are obligate carnivores. Unlike dogs, they cannot thrive on a vegetarian or even a heavily plant-based diet. Their bodies require specific amino acids like taurine and arachidonic acid that are found primarily in animal protein. A taurine deficiency can cause serious heart and eye problems.

This means that the foundation of any good cat diet is high-quality animal protein. Whether you feed wet food, dry food, or a combination, the first ingredient should be a named meat source, not a byproduct or grain filler.

Wet Food vs Dry Food

Both have their place, but they serve different purposes:

Wet food provides higher moisture content, which is critical for cats. Cats evolved in desert environments and have a naturally low thirst drive. Many cats on dry-food-only diets are chronically mildly dehydrated, which can contribute to urinary and kidney problems over time.

Dry food is convenient, stores well, and can support dental health to a degree. It is also more calorie-dense, which means portions need to be carefully measured.

The ideal approach for most cats is a combination: wet food as the primary meal for hydration and protein quality, with a small amount of dry food for variety.

How Much to Feed

Overfeeding is the most common nutrition mistake. Indoor cats especially are prone to weight gain because they burn fewer calories than outdoor cats.

A general guideline for an average adult indoor cat (4 to 5 kg) is 200 to 250 calories per day. This translates to roughly one standard can of wet food (150-180g) plus a small portion of dry food, or the equivalent in either format.

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Adjust based on your cat's body condition. You should be able to feel their ribs without pressing hard, and they should have a visible waist when viewed from above.

Foods to Avoid

Several common human foods are toxic to cats:
  • Onions and garlic (all forms, including powdered)
  • Grapes and raisins
  • Chocolate
  • Caffeine
  • Alcohol
  • Raw eggs (risk of salmonella and avidin interfering with biotin absorption)
  • Xylitol (artificial sweetener found in some peanut butters and gums)

Milk is not toxic but most adult cats are lactose intolerant. Despite the popular image, milk causes digestive upset in most cats.

Special Dietary Considerations

Kittens need higher-calorie, higher-protein food formulated for growth. Adult cat food does not meet their nutritional needs.

Senior cats (7+ years) may benefit from food with added joint support and easier-to-digest protein sources. Monitor kidney function through regular bloodwork, as kidney disease is common in older cats.

Cats with urinary issues often benefit from increased water intake and sometimes prescription diets that manage mineral content.

Monitoring Eating Patterns

A sudden change in appetite is one of the most reliable early warning signs in cats. Cats that stop eating for more than 24 hours are at risk of hepatic lipidosis (fatty liver disease), which is a serious condition.

Track your cat's eating patterns daily. Not just whether they ate, but how much and how enthusiastically. Omelo's daily check-in captures these observations and flags when patterns change over time.

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Dr. Ashim Sarkar, BVSc & AH

Veterinarian · Medical Reviewer

Reviews all clinical and triage content on Omelo. Hands-on small-animal practice experience across vomiting, dermatology, vaccinations, and emergency triage. All Omelo recommendations pass through Dr. Sarkar before publication.

Read Dr. Sarkar's full bio →