Abstract

An evaporative cooling and air distribution system was designed and installed in two trailer bays of a live broiler holding shed at a commercial poultry processing plant. Temperature change, shrinkage (live weight loss), and mortality data were collected on trailerloads of live broilers held in the evaporatively cooled bays and in two conventional, fan-ventilated bays. Statistical analysis indicated significantly lower shrinkage (P<.05) and lower mortality (P<.10) in the broilers held in the evaporatively cooled bays (shrinkage 2.6%; mortality .2%) than in those held in the fan-ventilated bays (shrinkage 3.4%; mortality .3%).

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