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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).
Cow–calf operations are widespread throughout beef-producing countries, [5] and the goal of a cow–calf operation is to produce young beef cattle, which are usually sold. True to the name, farm and ranch herds consist mostly of adult female cows, their calves, and young females, called heifers, which will produce calves once of breeding age.
The Holstein breed can go through selective breeding to produce polled calves. Polled is a natural trait for Holsteins but have not been bred for specifically. That is why a very small percentage of Holsteins are naturally polled. [1] Bulls and cows can both carry the polled trait and pass it on to the progeny. [2]
Buffaloes and heifers in this area are reared mainly for fat production. Average milk yield per lactation is 1039 kg ranging 760-1500 kg with average milk fat of 8.25% ranging 7.0-8.8%. [ 7 ] Nagpuri can withstand extreme climatic conditions as high as 47 °C even in respect of milk production and fertility. [ 7 ]
[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] An unbranded bovine of either sex is called a maverick in the US ...
Over 1000 breeds of cattle are recognized worldwide, some of which adapted to the local climate, others which were bred by humans for specialized uses. [1]Cattle breeds fall into two main types, which are regarded as either two closely related species, or two subspecies of one species.
American Bucking Bull, Inc. (ABBI) is an organization dedicated to the registration of bucking bulls and establishing the American Bucking Bull as a documented breed of cattle. American Bucking Bull, Inc., is owned by the Professional Bull Riders (PBR) and stock contractors. The organization created a breed registry and manages the registration ...
[5]: 193 In 1924 and 1925 a total of 210 bulls and 18 cows of mainly zebuine-taurine hybrid Guzerá stock, [3]: 137 but also including some Gir and Nelore, were brought from Brazil [5]: 193 to the United States through Mexico. A breed association, the American Brahman Breeders Association, was formed in 1924, and a herd-book was started.