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The objective of the study was to test the effectiveness of a proprietary performance enhancer mi... more The objective of the study was to test the effectiveness of a proprietary performance enhancer mixture (PEM) as replacement for antibiotic growth promoters (AGP) in broilers. A total of 500 day-old, straight-run Cobb 500 broilers were randomly allotted to 5 treatments using a randomized complete block design with 10 replicates and 10 birds per replicate. The experimental treatments were: 1) corn-soybean meal diet (negative control, NC), 2) NC+6 ppm avilamycin (positive control, PC), 3) NC+0.05% PEM, 4) PC+0.05% PEM, and 5) PC+0.05% performance enhancer solution (PES) added to the drinking water. Production performance, excreta quality, carcass characteristics and economics were evaluated. Overall (d 0 to 34), no significant differences were observed in BW and ADG; however, AGP, PEM or PES reduced (P<0.04) ADFI and improved (P<0.003) ME efficiency compared to those without supplementation. Excreta quality score and carcass characteristics were not significantly different among ...
The objective of the study was to test the effectiveness of a proprietary performance enhancer mi... more The objective of the study was to test the effectiveness of a proprietary performance enhancer mixture (PEM) as replacement for antibiotic growth promoters (AGP) in broilers. A total of 500 day-old, straight-run Cobb 500 broilers were randomly allotted to 5 treatments using a randomized complete block design with 10 replicates and 10 birds per replicate. The experimental treatments were: 1) corn-soybean meal diet (negative control, NC), 2) NC+6 ppm avilamycin (positive control, PC), 3) NC+0.05% PEM, 4) PC+0.05% PEM, and 5) PC+0.05% performance enhancer solution (PES) added to the drinking water. Production performance, excreta quality, carcass characteristics and economics were evaluated. Overall (d 0 to 34), no significant differences were observed in BW and ADG; however, AGP, PEM or PES reduced (P<0.04) ADFI and improved (P<0.003) ME efficiency compared to those without supplementation. Excreta quality score and carcass characteristics were not significantly different among ...