Cattle any large, even-toed hoofed, ruminant mammal of the genus Bos, family Bovidae. Domestic cattle mostly descended from the wild aurochs (European Ox, now extinct). Domestication of cattle and their propagation at the world level started in the Neolithic ages in about 2000 BC. Bos indicus and Bos taurus are the two distinct species of cattle. B. indicus,…