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A bighorn ram near Jasper, Alberta. Bighorn sheep live in large herds and do not typically follow a single leader ram, unlike the mouflon, the ancestor of the domestic sheep, which has a strict dominance hierarchy. Before the mating season or "rut", the rams attempt to establish a dominance hierarchy to determine access to ewes for mating.
An adult female is referred to as a ewe (/ j uː / yoo), an intact male as a ram, occasionally a tup, a castrated male as a wether, and a young sheep as a lamb. Sheep are most likely descended from the wild mouflon of Europe and Asia, with Iran being a geographic envelope of the domestication center. [ 1 ]
Sheep are social animals and live in groups, called flocks. This helps them to avoid predators and stay warm in cold weather by huddling together. Flocks of sheep need to keep moving to find new grazing areas and more favourable weather as the seasons change. In each flock, a sheep, usually a mature ram, is followed by the others. [3]
A young ram Two rams and two ewes Female mouflon with young immediately after birth Mouflon from Brehms Tierleben Mouflon ram Mouflon rams in the Eifel Park, Gondorf Few of the mouflon living at Thomayer Hospital in Prague. The European mouflon is a feral subspecies of the primitive domestic sheep. It is found in Europe and western Asia.
Dolly Dolly (taxidermy) Other name(s) 6LLS (code name) Species Domestic sheep (Finn-Dorset) Sex Female Born (1996-07-05) 5 July 1996 Roslin Institute, Midlothian, Scotland Died 14 February 2003 (2003-02-14) (aged 6) Roslin Institute, Midlothian, Scotland Cause of death Euthanasia Resting place National Museum of Scotland (remains on display) Nation from United Kingdom (Scotland) Known for ...
The approach in these sheep experiments involves irradiating a ram's testes while placing stem cells from a second ram into the testes of the first, ram A. In the following weeks ram A produces semen the usual way, but is using the stem cells of ram B and therefore producing semen carrying the genetics of ram B rather than those of his own.
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In the English language, many animals have different names depending on whether they are male, female, young, domesticated, or in groups. The best-known source of many English words used for collective groupings of animals is The Book of Saint Albans , an essay on hunting published in 1486 and attributed to Juliana Berners . [ 1 ]