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The Effect Of Stocking Density On Stress Reaction In Broiler Chickens During Summer, Mehmet Kenan Türkyilmaz
The Effect Of Stocking Density On Stress Reaction In Broiler Chickens During Summer, Mehmet Kenan Türkyilmaz
Turkish Journal of Veterinary & Animal Sciences
The aim of this study was to investigate the effect of stocking density on the heterophil to lymphocyte ratio (H:L), blood corticosterone concentration, immune response, and some performance parameters in broilers during summer. In all, 300 1-day-old commercial broiler chicks (Ross 308) were housed at densities of 15, 20, and 25 birds/m^2, with 2 replicates of each. H:L ratio and blood corticosterone concentration were used to measure the level of stress in the birds. Newcastle disease (ND) antibody titers were also analyzed to determine the level of immune response with a commercial ELISA kit. Mean H:L ratio, corticosterone concentration, and …