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For example, using UK government Livestock Units (LUs) from the 2003 scheme [1] a particular 10 ha (25-acre) pasture field might be able to support 15 adult cattle or 25 horses or 100 sheep: in that scheme each of these would be regarded as being 15 LUs, or 1.5 LUs per hectare (about 0.6 LUs per acre).
In British Columbia, the Range Regulation defines "animal unit month" for purposes of the Range Act. 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.
[8] [9] Cattle breeds vary widely in size; the tallest and heaviest is the Chianina, where a mature bull may be up to 1.8 m (5 ft 11 in) at the shoulder, and may reach 1,280 kg (2,820 lb) in weight. [10] The natural life of domestic cattle is some 25–30 years. Beef cattle go to slaughter at around 18 months, and dairy cows at about five years.
[1] Cattle breeds fall into two main types, which are regarded as either two closely related species, or two subspecies of one species. Bos indicus (or Bos taurus indicus) cattle, commonly called zebu, are adapted to hot climates and originated in the tropical parts of the world such as India, Sub-saharan Africa, China, and Southeast Asia.
A springer is a cow or heifer that is close to calving. [10] In all cattle species, a female twin of a bull usually becomes infertile due to intrauterine exposure to high testosterone levels. She is functionally a partial intersex, and is commonly called a freemartin. A wild, young, unmarked bull is known as a micky in Australia. [7]
Name Other names, if any Notes Image American Angus [1]: 105 : American Brahman [2]: American Breed [1]: 105 : American Milking Devon [2]: American White Park [2]: Ankole-Watusi [2]
A farm in Michigan killed about 10% of its 200 infected cows after they too failed to recover from the virus, said Phil Durst, an educator with Michigan State University Extension who spoke with ...
The American Angus population in 2010 numbered about 320 000 head, with almost 300 000 breeding cows and over 22 000 registered bulls, making it the most numerous beef breed of the United States. [2]: 105 In 2021 the conservation status of the breed was reported to DAD-IS as "not at risk". [1]