Horses, cows, goats and sheep were sacrificed. Cattle, milk cows, and hogs were the primary livestock products. It can affect other animals such as pigs, cows and horses. Ghee may be made of milk from various domesticated ungulates, such as cows and sheep. They were Indo-European farmers who grew grain and kept cows and sheep. There are two types of livestock - cows and chickens. The responsibility for milking the cows and goats also lies with the women and girls. Insulin can be made from the pancreas of pigs or cows. Sources of methane are agricultural dairy cows and landfills. Meat from younger cows (calves) is called veal. This cheese is made from milk produced by cows that graze on pastures. Housing inspectors often found livestock in slum cellars, including cows and donkeys. It is a social mammal, traveling in herds composed of cows and their offspring. Cows in the pasture two by two! Mature bulls tend to be considerably larger than cows.