Cats have distinct nutritional needs that reflect their evolutionary diet. Based on current veterinary research, let’s review the essential nutrients required for optimal feline health.
Protein and Amino Acids #
Cats require higher protein levels than many other mammals, typically 30-45% of their diet on a dry matter basis. Essential amino acids for cats include:
- Taurine: Critical for heart function, vision, and reproduction
- Arginine: Necessary for ammonia detoxification
- Methionine and Cysteine: Important for pH balance and coat health
Deficiencies in these amino acids can lead to severe health issues, including dilated cardiomyopathy and retinal degeneration.
Fats and Fatty Acids #
Dietary fat should constitute 20-24% of a cat’s diet on a dry matter basis. Cats have specific requirements for:
- Arachidonic acid: An essential fatty acid cats cannot synthesize
- Linoleic acid: Necessary for skin and coat health
Carbohydrates #
While not strictly required, carbohydrates can be utilized for energy. However, cats have limited ability to digest complex carbohydrates due to low levels of amylase.
Vitamins #
Key vitamins for feline health include:
- Vitamin A: Cats lack the enzyme to convert beta-carotene to retinol
- Vitamin D: Essential for calcium metabolism
- Niacin: Cats have a high requirement due to rapid catabolism
Minerals #
Important minerals in feline nutrition include:
- Calcium and Phosphorus: Crucial for bone health, ideally in a 1.2:1 ratio
- Magnesium: Essential for enzyme function, but excess can contribute to urinary tract issues
Hydration #
Cats evolved to obtain much of their water from prey, leading to a low thirst drive. Adequate hydration is crucial for urinary tract health and overall well-being.