Publication Date

1989

Description

Rhizoma perennial peanut ( Arachis glabrata Benth.) is a for­age legume species adapted to the well-drained soils of subtropical United States (Prine et al., 1981). Management studies with perennial peanut have concentrated on hay pro­duction and animal performance based on pure stands (Prine, 1981 ; Sollenberger et al., 1987). Mixtures of perennial peanuts and various tropical grasses have performed well in small plot studies, but the interrelationship of grass and perennial peanuts under grazing and the consequence this relationship has on stand productivity and animal performance has not been investigated. The summer grazing phase of a backgrounding systems trial, which evaluated, in part, the effect of previous winter nutritional levels on the subsequent summer pasture gain and feedlot performance, was used to determine the productivity of a mixed grass - perennial peanut pasture. Specific objectives were to determine the botanical composition, dry matter pro­duction, diet selection and animal performance of a mixed grass - perennial peanut pasture under continuous grazing.

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Dynamics of a Tropical Grass-Legume Sward in the Subtropics and its Effect on Animal Performance

Rhizoma perennial peanut ( Arachis glabrata Benth.) is a for­age legume species adapted to the well-drained soils of subtropical United States (Prine et al., 1981). Management studies with perennial peanut have concentrated on hay pro­duction and animal performance based on pure stands (Prine, 1981 ; Sollenberger et al., 1987). Mixtures of perennial peanuts and various tropical grasses have performed well in small plot studies, but the interrelationship of grass and perennial peanuts under grazing and the consequence this relationship has on stand productivity and animal performance has not been investigated. The summer grazing phase of a backgrounding systems trial, which evaluated, in part, the effect of previous winter nutritional levels on the subsequent summer pasture gain and feedlot performance, was used to determine the productivity of a mixed grass - perennial peanut pasture. Specific objectives were to determine the botanical composition, dry matter pro­duction, diet selection and animal performance of a mixed grass - perennial peanut pasture under continuous grazing.