PPt 2 – U.S. Sheep Production PPt 3 – U.S. Wool Production from 1975 to 1999 2. Activity Sheets AS 1 – Advantages and Disadvantages of Sheep Production AS 2 – Retail Cuts of Lamb 3. Sheep Production (Student Reference). University of Missouri-Columbia: Instructional Materials Laboratory, 2001. 4. Sheep Production Curriculum Enhancement