AHPharma Energy Systems, Inc. will be attending the Poultry Science Association Annual Meeting in Louisville, Kentucky. Below is a copy of our abstract which will be presented by Mike Barnas during the meeting.
Effect of AviLighting Feeder Lights, Water Lights, & intermittent lighting on antibiotic-free broiler progeny & pullets 0-21 day live performance when reared on litter bedding at time of housing to 3 weeks of age. M. Barnas1, M. Roberts1, J. L. McNaughton1. 1AHPharma, Inc. Salisbury, MD.
Previous studies have shown that regardless of light source, <6% of broiler chickens & breeder pullets are actively drinking during the first 24h post placement, thus, reducing early body weight (BW) gain & BW uniformity (BWU). Due to accelerated growth rates, 7-21d BW & early mortality (M) have a large impact on overall bird performance. Three trials were conducted to determine if bird attraction to nipples influences 24h water consumption (WC) & M in weaker-flocks. Two 15m (50’) x 10m (32’) 750-bird rooms with fresh pine-shaving litter bedding were used: Chamber #1a: AviLighting™ Water Lights (AWL, 0.5W LEDs between nipples) with feed trays underneath, and AviLighting™ Feeder Lights (AFL, 4.8W LEDs that sit atop feeders); Chamber #2b: standard ceiling LEDs (SCL, 6W A-19 type). Images on avilighting.com.
In all three trials, either combined or individual light sources over weakly-hatched & antibiotic-free birds, AWL & AFL presented a stronger bird attraction to light plus feeding/drinking behavior due to contrasting light intensity (deltafc >10 between light & dark area). Initial 24h use of AWL proved the historical null hypothesis that chicks are attracted to deltafc >10fc & that both water & feed underneath AWL are essential. Intermittent lighting (toggling each 4h between AWL & AFL on 3-4d) resulted in birds migrating from water to feed within 30min. After 4d, AFL attracted birds to the feed & water areas for the next 2d, before the birds spread throughout the house. WC significantly (P<0.05) increased when AWL was employed, as compared to SCL group. No differences were found in 0-21d F:G, or 21d litter moisture (all <27%). Due to increased WC with the use of AWL+AFLa, significant (P<0.05) improvements vs. SCLb in 0-7d were: BW (166ga vs. 158gb), mortality (<1.2%a vs. 3.7%b) & BWU (9.96%a vs. 11.13%b CV). The same statistical trend was found in 21d live performance data.
Key Words: AviLighting, LED, Intermittent Lighting, Feeder & Water Light, Water Consumption