Sheep Production
Sheep Production Overview
Terminology
Intact Male: Ram
Castrated Male: Wether
Female: Ewe
Young Animals: Lamb
Meat Products: Lamb, Mutton
Sheep Characteristics
Type: Ruminants
Size: Small
Maintenance: Low requirements
Habitat: Rough terrain, poor forages
Specialization: Dual/triple purpose (meat, wool, milk)
Wool Production
Annual Yield: 2-30 lbs per sheep
Shearing Frequency: At least once a year
Grading System:
Blood: Based on Merino or Rambouillet
Count: Number of hanks per pound (560 yards)
Micron measurement: Average fiber diameter, with 1 micron = 0.00004 inches.
Wool Grades (USDA)
Fine Wool: 80's, < 17.70 microns
Medium Wool: 60's - 70's, 23.50 - 20.59 microns
Coarse Wool: > 40.20 microns
Sheep Breeds Common in U.S.
Maternal Breeds: Merino, Rambouillet
Paternal Breeds: Suffolk, Hampshire, Dorper
Production Systems
Commercial Production Types:
Farm Flocks: Small; Northeastern U.S.; focus on meat production
Range Flocks: Large; Western U.S.; focused on grazing to produce wool and lighter lambs
Feedlot Operations: 40-90 lb lambs fed high-concentrate diets for market
Sheep and Lamb Statistics (2024)
Total Inventory: 750,000
Top Producing States: Texas, California, Colorado
Wool Production: California, Wyoming, Colorado
Industry Challenges
Trends: Decreasing sheep population and lamb production despite increased productivity per animal
Factors in Decline:
Mechanization and crop production prioritization
Change in consumer demand and preference for alternative meats