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Cattle raised for human consumption are called beef cattle. Within the beef cattle industry in parts of the United States, the term beef (plural beeves) is still used in its archaic sense to refer to an animal of either sex. Cows of certain breeds that are kept for the milk they give are called dairy cows or milking cows (formerly milch cows).
Dairy cow Dairy cow Beef cow Tropical cow Dairy cow producing 3,000 L (790 US gal) milk 2-year-old dry Merino sheep Ewe with one lamb Weight equivalent of one unit 650 kg (1,430 lb) 455 kg (1,003 lb) 250 kg (550 lb) 600 kg (1,300 lb) 45 kg (99 lb) 55 kg (121 lb) Dairy cow 1.00 1.00 1.00 0.50 0.70 1.00 20.0 8.0 Dry medium beef cow
For dairy cows, for example, the output is milk, whereas in animals raised for meat (such as beef cows, [1] pigs, chickens, and fish) the output is the flesh, that is, the body mass gained by the animal, represented either in the final mass of the animal or the mass of the dressed output. FCR is the mass of the input divided by the output (thus ...
Effectively, the regulation assigns animal unit equivalents of 1 for a cow (either by herself or with an unweaned calf), 0.7 for a yearling of the genus Bos, 1.5 for a bull, 1.25 for a horse, 0.2 for a sheep, 0.2 for a llama, and 0.1 for an alpaca.
The meat of adult cattle is known as beef, and that of calves as veal. Other body parts are used as food products, including blood, liver, kidney, heart and oxtail. Approximately 300 million cattle, including dairy animals, are slaughtered each year for food. [99] About a quarter of the world's meat comes from cattle. [100]
Cattle are domesticated ungulates, a member of the family Bovidae, in the subfamily Bovinae, and descended from the aurochs (Bos primigenius). [46] They are raised as livestock for their flesh (called beef and veal), dairy products (milk), leather and as draught animals. As of 2009–2010 it is estimated that there are 1.3–1.4 billion head of ...
More developed infants will typically require a longer gestation period. Altricial mammals needs less time to gestate compare to the precocial (well-developed neonate) mammal. A typical precocial mammal has a gestation period almost four times longer than a typical altricial mammal of the same body size. [20]
Gestation is the period of development during the carrying of an embryo, and later fetus, inside viviparous animals (the embryo develops within the parent). [1] It is typical for mammals , but also occurs for some non-mammals.