Implementation of different feeding regimes and flashing light in broiler chicks

Faculty Technology and Development Year: 2019
Type of Publication: ZU Hosted Pages:
Authors:
Journal: Poultry Science poultry science Volume: 9
Keywords : Implementation , different feeding regimes , flashing light    
Abstract:
A 3 x 2 factorial arrangement was implemented to determine the performance of 450 Cobb broilers subjected to different feeding regimes with and without lighting programs. The chicks were divided into 3 groups according to the feeding regime (ad libitum, restricted, or intermittent), and each group was reared under one of two lighting programs (100% continuous light or 50% continuous light and 50% flashing light). The results showed that the broilers under the ad libitum and intermittent feeding regimes had superior body weight (BW) and average daily gain (ADG) values and the lowest feed conversion ratio (FCR) at 3 and 6 wk of age. Broilers exposed to flashing light and an intermittent feeding regime had the highest BW and ADG values and the lowest FCR. Birds exposed to intermittent feeding had the highest dressed carcass weight and the lowest heart weight. Broilers reared with flashing light had higher tenderness and juiciness values than the other groups. Broilers subjected to a restricted feeding regime and flashing light had the lowest abdominal fat values of all the groups. Tenderness and juiciness were significantly higher in broilers subjected to the ad libitum feeding regime x flashing light and the intermittent feeding regime x flashing light. Broilers fed an intermittent regime had the lowest spleen %, heterophil, heterophil to lymphocyte (H/L) ratio and body temperature values of all the groups, and broilers reared under the intermittent regime x flashing light had the lowest spleen %, H/L ratio and body temperature values. Non-significant differences in all health aspects (shank length, keel bone length, foot pad burns, breast blisters score, hock discoloration, and mortality) were observed among the experimental groups. In conclusion, intermittent and restricted feeding regimes and a flashing lighting program improved the FCR and did not produce any adverse effects on performance or physiological parameters. The results of this work show that intermittent feeding and flashing lighting programs are more beneficial to broiler management.
   
     
 
       

Author Related Publications

    Department Related Publications

    • Hassan Mahmoud Elsayed Kilaoy, "Effect of HCG injection on poor fertile rabbits", الموتمر العالمي الثاني لإنتاج الأرانب في المناطق الحارة, 1994 More
    • Hassan Mahmoud Elsayed Kilaoy, "Effect of centrifugation and c-AMP stimulators on motility, acrosome status and some enzymatic release of cooled rabbit spermatozoa.", المؤتمر العالمي الثالث لإنتاج الأرانب في المناطق الحارة - الجمعية المصرية لعلوم الأرانب, 2002 More
    • Hassan Mahmoud Elsayed Kilaoy, "Impact of dietary supplementation with multi enzyme or probiotic on growth performance, nutrients digestibility and blood constituents of growing rabbits", 2nd International Conference on the Modern Approaches in Livestock's Production Systems (ICMALPS, 2015 More
    Tweet