Abstract
ABSTRACT A SHEET metal beef finishing barn A with two rows of 10 pens separated by a feeding alley and hav-ing open sides and enclosed ends was completed at The University of Tennessee Aluminum Company of America* (Alcoa) Farm. The facility (Fig. 1) was constructed from an existing barn with a concrete-slab floor remodeled to include 12 pens with experimental aluminum-slat floors and two pens with reinforced concrete-slat floors. The concrete-slab floor was left intact for six pens. In 1974, ventilation fans were provided for two aluminum-slat floor pens. Four feeding trials involving a total of 131 animals were conducted. Primary objectives of the study were to determine the effects of floor types and ventilation on animal perfor-mance and knee swelling. A secondary objective was to develop waste man-agement criteria for slatted-floor systems.
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