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The polled trait is far more common in beef breeds than in dairy breeds. CRISPR technology is being developed to create polled versions of dairy breeds. [5] In sheep, the allele for horns in both sexes is partially dominant to the allele for being polled in both sexes, and both of these are dominant to that for polling in the female only. [6]
For background information, see microformats on Wikipedia and the microformat specification The above documentation is transcluded from Template:Infobox cattle breed/doc . ( edit | history )
This is a list of some of the cattle breeds considered in the United States to be wholly or partly of American origin. Some may have complex or obscure histories, so inclusion here does not necessarily imply that a breed is predominantly or exclusively American.
Breeds of Cattle – Cattle.com; Breeds of Cattle – Cow World (archived 19 January 2017) Cattle Breeds – Embryoplus.com (archived 29 November 2013) Breeds of Cattle – Official 2nd Edition; Cattle Breeds of the World; Portuguese Cattle Breeds (archived 17 January 2016) EuReCa – Towards self-sustainable EUropean, REgional CAttle breeds
A steer. The Texas Longhorn is an American breed of beef cattle, characterized by its long horns, which can span more than 8 ft (2.4 m) from tip to tip. [4] It derives from cattle brought from the Iberian Peninsula to the Americas by Spanish conquistadors from the time of the Second Voyage of Christopher Columbus until about 1512. [5]
In 1937 a new breed, the Swedish Polled (Swedish: Svensk Kullig Boskap or SKB), was created with the intention of merging the Rödkulla with the Fjällras, a quite different breed of mountain cattle. [ 5 ] : 307 [ 6 ] Breeders did not accept the new classification, and continued to maintain separate bloodlines as before.
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).
The horns are unusually large, with a wide spread [2]: 110 and the largest circumference found in any cattle breed. Guinness World Records lists a bull named CT Woodie with a horn circumference of 103.5 cm (40.7 in) and a steer named Lurch, with horns measuring 95.25 cm (37.50 in), as record-holders.