pigs: the domestic pig is mostly farmed for its meat, pork.
wheat: the domestication of wheat was instrumental in the transition of human behavior from hunter-gatherers to farmers.
sheep: sheep were primarily raised for meat, milk, and skins.
barley: the domestication of barley is used in breads, soups, stews, and health products, though it is primarily grown as animal fodder and as a source of malt for alcoholic beverages, especially beer.
Domesticated animals are more helpful to hunter-gatherers for assistance.
