Broiler Response to Three Ventilation Rates

THREE ventilation rate schedules were used in this studylow = Vi, medium = V2 and high = V3. As the ventilation rates were increased from Vi to V3, there was a decrease in litter moisture and atmospheric am-monia release. Differences in broiler weight gain at 56 days of age was highly significant at P<0.01 between all treatments. There was a highly significant difference at P<0.01 in fuel use when comparing Vt and V2 to V3. V3 used 190 percent more fuel than Vi and 172 percent more than V2. Ocular problems were the only evident health problems which were more severe in \^ and V2.