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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.
Their rate of growth and mature weight is a heritable trait that is often selected for in breeding. [24] Ewes typically weigh between 45 and 100 kilograms (100 and 220 lb), and rams between 45 and 160 kilograms (100 and 350 lb). [25] When all deciduous teeth have erupted, the sheep has 20 teeth. [26] Mature sheep have 32 teeth.
Theave or theaf (plural of either: theaves) – a young female sheep, usually before her first lamb (used especially in lowland England). Also gimmer. Top knot – wool from the forehead or poll of a sheep. Tup – an alternative term for ram. Tupping – mating in sheep, or the mating season (autumn, for a spring-lambing flock).
Sheep have a breeding season (tupping) in the autumn, though some can breed year-round. [1] As a result of the influence of humans on sheep breeding, ewes often produce multiple lambs. This increase in lamb births, both in number and birth weight, may cause problems with delivery and lamb survival, requiring the intervention of shepherds. [2]
A female bovine that has not yet had a calf is known as a heifer. An adult female that has had her first calf (or second calf, depending upon regional usage) is called a cow. Steers and heifers can sometimes be colloquially referred to as "cows," especially by non-agricultural people who are not familiar with the appropriate terminology.
The Polypay sheep breed is a white, medium-sized (65 kg), polled sheep which was developed in the 1960s at the U.S. Sheep Experiment Station in Dubois, Idaho. [1] In general, Polypay sheep are noted for being a highly prolific maternal dual-purpose (meat and wool) breed. It produces yearly about 4.2 kg of wool and is weaned at 120 days. [2] [3]
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.
A female sheep, especially one that is sexually mature. exclosure An area of land from which grazing or browsing animals, often domestic livestock but sometimes wild animals such as deer, are excluded by fencing or other means.