Abattoir

  An abattoir is a building where animals are slaughtered and processed into meat products. It comes from the French word, abattre, "to strike down."

Ewes

 The process of giving birth to lambs is called lambing. Another word for birthing is parturition. Another word for pregnancy is gestation

Farm (n)

  A farm is an area of land, including various structures, devoted primarily to the practice of producing and managing food. It usually includes cultivated land for producing crops

Flock

  A group of sheep is called a flock. Larger groups of sheep are called bands or mobs.

Lamb and mutton

  Lamb is also the term for the flesh of a young domestic sheep eaten as food. The meat from a sheep that is older than 12 months is called mutton. Yearling mutton is the meat from a sheep between 1 and 2 years of age. Mutton has a much stronger flavor than lamb.

Rams

   A male sheep is called a ram. Buck is the slang term for ram. A young male is called a ram lamb. In parts of the United Kingdom, a ram is called a tup and the mating season is called tupping.

Ranch

  A ranch is a farm consisting of a large tract of land along with facilities needed to raise livestock.

Sheep and lambs

  Sheep are over one year of age. They have usually produced offspring. Lambs are less than one year of age. They have usually not produced offspring.

Sheepherder

  A sheepherder is a herder of sheep (on open range). It is someone who keeps the sheep together in a flock. In the U.S., the sheepherder is not usually the owner of the sheep.

Shepherd

  A shepherd is a person who cares for sheep.

Wethers

  A castrated male sheep is called a wether. Wethers are less aggressive than rams 

Yearling

  A yearling is an animal between 1 and 2 years of age that may or may not have produced offspring. In other countries, a yearling ewe is called a hogget, shearling, gimmer, theave, or teg

Wool

  The fiber that most sheep grow is called wool. The wool from one sheep is called a fleece. Many fleeces from the same farm, wool pool, region, or state are called a clip. Shearing is when the wool is cut off (or shaved) from the sheep