The authors compared short duration to repeated season-long grazing on mixed grass prairie in North Dakota. Annual production ranged from 678 to 1766 pounds per acre. Forage availability was consistently greater on season-long treatments, but much greater year-to-year variation than short duration grazing. Cows maintained seasonal weight gains better on the season-long treatment, while calf average daily gains were similar between grazing treatments. Increased calf gains/acre on the short duration treatment at both locations is a reflection of greater stocking rates on this grazing treatment.
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