Effect of nano-selenium and high stocking density on performance, carcass yield, meat quality and feathering score of broilers

Effects of nano-selenium (nano-Se) and stocking density (SD) on growth performance, carcass yield, meat quality, feathering score broilers were investigated in this study. One-day-old 480 broiler chickens (45.32.4 g body weight) (Ross 308) randomly divided into 4 treatments each comprising 8 replicates. In the experiment, consisted a 2  factorial arrangement dietary Se form (inorganic or nano) SD (low = 12 birds/m2; LSD, high 18 HSD). No interaction was noted between for any trait. Nano-Se had no effect however, HSD decreased weight gain (BWG) (P0.05) feed intake (FI) (P0.001) while conversion ratio (FCR) unaffected. Neither nano-Se nor relative carcass, breast, thigh yields. improved water-holding capacity (WHC) breast 72-hpost-mortem (P0.05). However, pH, colour, cooking loss remained unaffected by SD. There differences nano- inorganic LSD regarding scores back wing. conclusion, WHC significant other parameters. addition, may negatively affect performance.