Home-cooked diets appeal to owners who want more control over ingredients, but cats have genuinely more demanding and specific nutritional requirements than dogs, which makes an improperly formulated homemade diet a real, documented cause of serious deficiency disease.
Cats are obligate carnivores in a stricter sense than dogs
Cats require taurine, arachidonic acid, preformed vitamin A, and several other nutrients directly from animal tissue, since they can't synthesize these from plant-based precursors the way dogs and humans can. A diet that would be reasonably balanced for a dog can be seriously deficient for a cat using the exact same ingredient logic.
Taurine deficiency is a real, documented consequence
Taurine deficiency from inadequately formulated homemade diets causes dilated cardiomyopathy (a serious, potentially fatal heart condition) and can also cause blindness through retinal degeneration. This isn't a theoretical risk — it's a well-documented outcome that shows up in cats fed home-cooked diets without proper taurine supplementation, sometimes not becoming apparent until significant, sometimes irreversible damage has occurred.
Home-cooked doesn't automatically mean better quality
The nutritional adequacy of a diet depends on its formulation, not on how fresh or "natural" the ingredients are. A commercial diet formulated by a veterinary nutritionist to meet AAFCO or FEDIAF standards is more reliably complete than a homemade recipe based on general intuition about what seems healthy, however good the individual ingredients are.
Working with a board-certified veterinary nutritionist is the difference that matters
If you want to feed a homemade diet, the safe path is a recipe specifically formulated by a board-certified veterinary nutritionist (not a general recipe found online, even from a seemingly credible source), ideally with the recipe periodically reviewed as your cat ages or their health status changes. Several veterinary schools offer this consultation service, sometimes remotely.
Raw diets carry additional, separate risks
Home-prepared raw diets carry real bacterial contamination risk (Salmonella, E. coli) for both the cat and household members handling the food, alongside the same nutritional balance concerns as cooked homemade diets. If pursuing a raw diet specifically, commercially prepared raw diets that have undergone pathogen-reduction processing carry a meaningfully lower contamination risk than home-prepared raw food.
Supplementation isn't optional, it's the whole point
A properly formulated homemade diet nearly always requires a specific supplement blend to meet a cat's complete nutritional needs — "just meat" or "meat plus a multivitamin" is not equivalent to a properly balanced recipe, and skipping or substituting the specific supplement blend a nutritionist recommends undermines the entire premise of the diet being complete.
What this means practically for most owners
For the significant majority of owners, a high-quality commercial diet meeting AAFCO or FEDIAF standards is the more reliable choice, with homemade diets being a reasonable option specifically for owners willing to work with a veterinary nutritionist and follow the resulting recipe precisely, including supplementation, rather than treating it as a loose guideline.