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Dolly (5 July 1996 – 14 February 2003) was a female Finn-Dorset sheep and the first mammal that was cloned from an adult somatic cell.She was cloned by associates of the Roslin Institute in Scotland, using the process of nuclear transfer from a cell taken from a mammary gland.
Sheep also play a major role in many local economies, which may be niche markets focused on organic or sustainable agriculture and local food customers. [23] [134] Especially in developing countries, such flocks may be a part of subsistence agriculture rather than a system of trade. Sheep themselves may be a medium of trade in barter economies ...
Freemartins, female bovines that are behaviorally masculine and lacking functioning ovaries, are commonly associated with cattle, but do occur to some extent in sheep. [6] The instance of freemartins in sheep may be increasing alongside the rise in twinning (freemartins are the result of male-female twin combinations). [6]
Female sheep are called ewes, males are called rams or less frequently bucks or tups, neutered males are called wethers, and young sheep are called lambs. The adjective applying to sheep is ovine, and the collective term for sheep is flock or mob. The term herd is also occasionally used in this sense, generally for large flocks.
Female: 70–90 kg (150–200 lb) Height: Male: ... Walliser Schwarznasenschaf, is a breed of domestic sheep originating in the Valais region of Switzerland. [2]
These sheep are about 1.5 m high and can weigh up to 110 kg. The female sheep have small, tan horns and the male sheep have larger horns that become more twisted as they age. The wool of Dall's sheep is almost pure white. [5] The sheep's horns grow fastest in warm weather and slowest in cold weather. This puts rings in the horns called annuli.
Bighorn sheep inhabit alpine meadows, grassy mountain slopes, and foothill country near rugged, rocky cliffs and bluffs. [8] Since bighorn sheep cannot move through deep snow, they prefer drier slopes, where the annual snowfall is less than about 150 cm (60 in) per year. [8] A bighorn's winter range usually has lower elevations than its summer ...
The Icelandic [a] is the Icelandic breed of domestic sheep.It belongs to the Northern European Short-tailed group of sheep, and is larger than most breeds in that group.. It is generally short-legged and stocky, slender and light-boned, and usually horned, although polled and polycerate animals can occur; there is a polled strain, the Kleifa.