Dorset sheep

Dorset sheep,

medium-sized breed developed in England; the only major breed in which both rams and ewes are horned. It has been introduced into many areas of the United States, although it has failed to gain widespread popularity there.
References in periodicals archive ?
United Auctions held its inaugural show and sale of pedigree Dorset Horn and Poll Dorset sheep.
The Royal Three Counties Show was also home to a number of national shows for breeds of cattle, sheep and goat, including the first Hampshire Down Sheep Breeders Association, Kerry Hill Flock Book Society, Dorset Horn and Poll Dorset Sheep Breeder's Association and Castlemilk Moorit Sheep Society National Shows staged at Malvern.
reported that a G230C mutation was detected in the GnRHR genes of Small Tail Han sheep and Dorset sheep populations and that G230C substitution led to one amino acid mutation (GlyaCys).
They reported allele frequencies of A and B in Small Tail Han sheep (0.809-0.191), Hu sheep (0.638-0.362), Texel sheep (0.969-0.031) and Dorset sheep (1.000-0.000), respectively.
Conducted by Kivells in Exeter Livestock Centre on behalf of the Dorset Hornand Poll Dorset Sheep Breeders' Association, the sale saw almost 2,000 pedigree and commercial breeding sheep sold.
Typically Finnish Dorset sheep had a life expectancy of 12 years; Dolly was euthanized at the age of six due to severe arthritis and a progressive lung disease, Healthline News reported.
He is also a former chairman and club leader of Caernarfon YFC, and has judged Texel and Poll Dorset sheep at numerous shows.
A Finn Dorset sheep named Dolly was the first mammal to be cloned, and she later gave birth to six of her own lambs.
The Continental Dorset Club is the registering body for the Dorset sheep.
Animal cloning technology has existed since 1997, when a sheep named Dolly was created from a Finn Dorset sheep's mammary gland cell at the Roslin Institute in Scotland.
At six and a half years old, she had only reached half the lifespan of a typical Finn Dorset sheep; she had severe arthritis and was suffering from lung cancer caused by a virus.