AVS-3750 Lecture 14: 14 – Forage Production in Livestock Systems (Aguerre)

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14 Forage Production in Livestock Systems (Aguerre)
Outline
o What are forage plants?
o Grasses for southern areas
Categorizing forage plants
o Cool-season perennial grasses
o Warm-season perennial grasses
o Perennial legumes
o Annuals
Cool and warm season
Forage Plants
o Plants selected and grown for their ability to maintain canopy
growth under regular defoliation
Some perennial, some annual plants
Ex: grazing pearl millet, clovers
o Regular defoliation
Grazing
Mowing
o Forage plants are seasonal producers
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o Southern end of Appalachia in SC and N. Georgia
o Good soil in bottomland, 60+ inches of rainfall and cool nights
o >90% of pastures tall fescue
o Small amount of Orchardgrass grown for hay and some grazing
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o ‘Dutch’ white clover present in majority of pastures-excellent
persistence (N fixation)
o Upper/middle piedmont
Pastures are typically sloping, eroded cotton fields
Row crops and irrigation are uncommon
~50-55 inches of rain annually
Tall fescue/bermudagrass/dallisgrass mixtures are most
common pastures
Bermudagrass and tall fescue for hay
Greatest concentration of beef and dairy cattle
o Lower piedmont
‘transition zone’ from north to south
Heavy clay soils with limited irrigation
Bermudagrass and bahiagrass are dominant forages
Winter annuals over seeded in fall
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