Short duration grazing in North Dakota: Preliminary results
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Authors: D. R. Kirby, T. Conlon, D. Landblome, J. Nelson, P. E. Nyren, and T. Stromberg
Date: 1986
Journal: North Dakota Farm Research
Volume: 44
Number: 2
Pages: 3-5
Summary of Methods: 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.
Article Summary / Main Points: None
Vegetation Types:
MLRA Ecoregions:
Agrovoc Control Words: Riparian zones Rangelands Wildlife
Article Review Type: Peer Reviewed
Article Type: Experimental Research
Keywords: short duration grazing, season-long grazing, mixed grass prairie, forage production, forage disappearance, livestock weight gain
Annotation: At the Dickinson Experiment Station a trial comparing short duration (SD) to repeated season-long (SL) grazing was initiated June 25, 1981. 20 and 35 cow/calf pairs were allocated to SL and SD treatments, respectively, in June 1981, 1982, and 1983. Since 1984 an additional 5 cow/calf pairs were added to the SL treatment. Cattle were rotated every 5 days on the SD trial and paddocks were rested for 35 days throughout the grazing season. Clipping at the beginning of the trails and approximately every 40 days thereafter until termination of trials.,At the Central Grasslands Research Station, Streeter, similar grazing trials were begun in June 1982. SL pasture was 320-ha while the SD pasture included eight 40-ha pastures. Cow/calf pairs allocated were 30 and 45 and 40 and 60 for the SL and SD treatments, respectively, in 1982 and 1983. Since 1984, 45, and 65 cow/calf pairs have been allocated to the SL and SD treatments.
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