Form of animal husbandry that uses mammals, primarily cows, for the production of milk and products processed from it (including butter, cheese, and ice cream). Though cattle, goats, and sheep have been kept for the production of dairy products since the earliest historical times, modern dairy farming resulted from the technological advances of the past hundred years: the factory system for processing; sterile storage; refrigeration, fast vehicles and paved roads; and pasteurization and the enforcement of food-safety laws. Outstanding dairy breeds include the Holstein, Guernsey, Jersey, Ayrshire, and Brown Swiss.
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Domesticated bovids that are raised for meat, milk, or hides or for draft purposes. Depending on the breed, mature bulls (fertile males) weigh 1,000–4,000 lbs (450–1,800 kg); cows (fertile females) weigh 800–2,400 lbs (360–1,080 kg). All modern cattle are believed to belong to either of two species (Bos indicus or B. taurus) or to be crosses of the two. About 277 identifiable breeds include those prominent in beef production (e.g., Angus, Hereford, and shorthorn) and dairy farming. Cattle feed primarily by grazing on pasture, but in modern farming their diet is ordinarily supplemented with prepared animal feeds. Seealso aurochs, Brahman, ox.
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