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Determine Stock Unit Days of Grazing
Determining grazing capacity for native range (Offsite Link)
200 g per 0.25 m2
200 g/454 g lb-1 = 0.44 lb
0.25 m2 = 6.18 x 10-5 acre
0.44 lb/6.18 x 10-5 acre = 7,120 lb/acre
Animal Unit Equivalence (AUE) = Wt. Animal lbs..75 / 1000 lb..75
AUE is a numerical value to express the forage requirements of a particular kind of animal
relative to the requirement s of the animal unit.
Total Animal Unit Months (AUM) = lbs consumable forage / 780 lbs AUM-1
AUM is the amount of forage required by a 1000 lb cow for a 30-day period.
26 lbs DM x 30 days = 780 lbs DM
7,120 lb acre-1 x 100 acre = 712,000 lbs
712,00 lbs / 780 lbs AUM-1 = 912 AUM
The 100 acres could support 912 AUs for 1 month or 76 AUs for 12 months.
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