Common Terms: a Sheep Glossary

Afterbirth The placenta and membranes that are expelled from the uterus after lambing.
Antibody A substance that helps fight disease. Colostrum is high in antibodies.
Apparel wools All wools that are manufactured into cloth for use as clothing.
Breed A group of sheep that look alike and have the same ancestors.
Clean fleece weight Weight of fleece after it has been washed and scoured.
Colostrum The first milk, high in antibodies, produced by a female mammal after it gives birth.
Commercial flock A sheep flock that is used to produce traditional lamb and wool products for sale to commercial markets.
Crimp The natural waviness of wool fiber.
Creep feeding Giving lambs extra feed when they are still nursing.
Crossbred An animal whose parents are of two different breeds.
Dam The female parent, the mother.
Deworming Giving a compound to an animal orally or through injection to prevent or destroy any internal worms.
Docking Cutting the tails short on baby lambs.
Drenching Oral administration of a liquid, usually a medicine for internal parasites.
Ewe A female sheep.
Ewe lamb Female sheep that is less than one year old and is usually not bred.
Feeder lamb A weaned lamb that has opportunity to grow for at least 30-60 days before being ready for market.
Feedstuff Material used for feed.
Fleece The wool from one sheep.
Fleece weight Weight of shorn wool from one animal.
Flock A small group of sheep.
Forage Roughage such as grasses and legumes used for animal feed;  it may be fed as pasture, hay or silage.
Grain Feeds like corn, wheat and barley that are high in energy.
Grease wool Shorn wool that has not been washed.
Hay Livestock feed made from grasses that have been cut and dried so they can be stored without molding.
Lactation Period of time when ewes are nursing young lambs.
Lamb A sheep under one year of age or the meat from young sheep.
Lambing percentage Number of lambs born in the flock as compared to the number of ewes exposed to the ram. For example: 150 lambs born to 100 ewes exposed to the ram x 100 = 150 percent.
Lanolin Refined wool grease.
Legume A plant with nodules on the roots containing special kinds of bacteria that are able to convert atmospheric and soil nitrogen into protein.  Beans, clover and alfalfa are legumes.
Livestock Farm animals raised for milk, meat, work and wool; includes beef and dairy cattle, swine, sheep, horses and goats; may also include poultry.
Market weight The weight of the animal when sold for processing.
Mutton Meat from sheep that are harvested at two years of age or older.  Has a stronger flavor than lamb meat.
Parasite An organism that lives on another organism.
Parturition The act of giving birth.
Pasture A plot of land where plants are cultivated for grazing.
Pelt The skin from a slaughtered sheep before the wool on it has been removed.
Placenta The tissue that contains the fetus during its development and connects the fetus to the dam.
Polled An animal that is born without horns in a species that sometimes has them.
Processing Slaughter or butchering of market animals to be used for food.
Purebred An animal descended from a line of ancestors of the same breed; may or may not be registered.
Ram A male sheep, also known as a "buck."
Ration The amount of feed eaten or provided within a 24 hour period.
Roughage Bulky feeds like hay that are low in energy.
Scouring Process by which grease (lanolin) and dirt are removed from wool.
Scurs Small, rounded portions of horn tissue attached to the skin at the horn pits of polled animals.
Sire The male parent; the father
Staple length Length of the wool fiber in the fleece.
Weaning Separating the ewes and lambs so the lambs cannot nurse (receive milk) from the ewe.
Wether A male sheep that has been castrated.
Wool yield Pounds of clean wool as a percentage of pounds of grease wool.
Yearling An animal between one and two years of age.

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Updated: January 4, 2010