There are about 66,000 sheep and lambs raised in North Dakota each year. Sheep have been providing meat and clothing to people for over 10,000 years. Female sheep are called ewes, baby sheep are called lambs, and male sheep are called rams. A group of sheep is called a flock. A one-year old sheep is called a hogget. A two-year old sheep is called a two-tooth. Lambs are ready for market when they weigh somewhere between 90-120 pounds. Lamb as food is an outstanding source of vitamins and minerals, and is one of the easiest to digest. The meat from a grown sheep is called mutton and that from a young sheep is called lamb. North Dakota sheep produced 430,000 pounds of wool in 2016.