Domesticated mammals, including dogs and horses, were used by indigenous people as food in emergency circumstances. Feral populations of domesticated mammals, including feral sheep on islands and wild horses, were also occasionally hunted as food.
Domesticated mammals include species from various families and orders, all having the size and behavioural attributes required for successful domestication. People have domesticated mammals as a source of food, fur, work, or companionship. Most commonly domesticated mammals are hoofed mammals, like cattle, sheep, and horses, but wild dogs are likely the first group that has been domesticated.
Clutton-Brock J: A natural history of domesticated mammals, 2nd edn. Cambridge, UK: Cambridge University Press; 1999.