Cats area unit predators, they evolved ingestion a prey-based diet, and additional significantly, ingestion that food raw. Cookery degrades nutrients in meat, inflicting the loss of vitamins, minerals and amino acids. Meat employed in highly-processed pet food is roasted at high temperatures. The nutrients lost should be supplementary back. This supplementation isn't actual there are a unit nutrient losses that are not invariably replaced. Cats within the wild typically eat the complete prey animal if it's little, and can eat nearly everything except the intestines of a bigger prey animal. This includes the bones of prey, as the raw bone is very predigested and is their primary supply of metal. Cookery bone reduces the nutrients obtainable, creating it brittle and dangerous to ingest.