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Animal breeding is a branch of animal science that addresses the evaluation (using best linear unbiased prediction and other methods) of the genetic value (estimated breeding value, EBV) of livestock. Selecting for breeding animals with superior EBV in growth rate, egg, meat, milk, or wool production, or with other desirable traits has ...
However, beef cattle can also be bred through artificial insemination, [1] depending on the cow and the size of the herd. Cattle are normally bred during the summer so that calving may occur the following spring. [1] However, cattle breeding can occur at other times of year. Depending on the operation, calving may occur all year round.
Cattle feedlot in Colorado, United States. Animal husbandry is the branch of agriculture concerned with animals that are raised for meat, fibre, milk, or other products.It includes day-to-day care, management, production, nutrition, selective breeding, and the raising of livestock.
The lives of the only pair of breeding ospreys on the south coast of England are being showcased in a series of videos released by conservationists. A reintroduction programme began in Poole ...
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.
Heck cattle originated in Germany in the 1920s and 1930s in an attempt to breed back domestic cattle to their ancestral form: the aurochs (Bos primigenius primigenius). [10] In the first years of the Weimar Republic, the brothers Heinz and Lutz Heck independently started their extensive breeding-back programmes. [11]
The Murray Grey breed was developed from an initial chance mating of a black Aberdeen Angus bull and a roan Shorthorn cow in 1905 during the Federation drought.The resulting 13 dun-grey calves from these matings were kept as curiosities and then bred on the Thologolong property along the Murray River in New South Wales by Peter and Ena Sutherland.
Adult eastern cattle egret (Ardea coromanda) showing the red flush on the legs and bill, present at the height of the breeding season. The cattle egret is a stocky heron with an 88–96 cm (34 + 1 ⁄ 2 –38 in) wingspan; it is 46–56 cm (18–22 in) long and weighs 270–512 g (9 + 1 ⁄ 2 –18 oz). [14]