Grazing and Oak Trees

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Grazing and Oak Trees

• Glenn Nader
• University of California
• Livestock Natural Resources FA

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Grazing

• Acorns
• Foliage (When leafed out)
• Tree bark
• Species
• Deer, Horses, Goats, Cattle, Sheep, gophers

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Grazing Impacts Depend on

• Timing (time of year)
• Intensity (acres per animal)
• Dry matter

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Time of Year

• Winter oaks are leafless and green grass
• Spring light graze
• Summer Protein and DE (biofeedback)
• Fall - Protein and DE (leaf and acorns)
• Rubbing on smaller trees 6.5 ft.
• Tree Shelters

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Intensity and Duration

• Available forage limited dry matter
• Space for horses
• Trampling
• 10 to 20 acres per cow

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Grazing Benefits

• Remove annual grass competition
• Sunlight
• Water
• Decrease vole habitat (52 vs 0)

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Restoration with Grazing

• Light spring grazing
• Tree Shelters with T posts
• Plant away from
• livestock water sources
• Salt or supplements
• Flat areas

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Winter feeding Horses

• Dry matter (Alfalfa verse oat hay)
• Boredom from confinement
• raccoon to volley or basket balls
• Netting wire around trees

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