TY - JOUR ID - 4007 TI - Effect of Different Levels of Nano-selenium on Performance, Blood Parameters, Immunity and Carcass Characteristics of BroilerChickens JO - Poultry Science Journal JA - PSJ LA - en SN - 2345-6604 AU - Ahmadi, M AU - Ahmadian, A AU - Seidavi, AR AD - 1Department of Animal Science, Ilam Branch, Islamic Azad University, Ilam, Iran AD - Department of Animal Science, Rasht Branch, Islamic Azad University, Rasht, Iran Y1 - 2018 PY - 2018 VL - 6 IS - 1 SP - 99 EP - 108 KW - Immunity KW - hematology KW - Broiler chicken KW - Nano-selenium DO - 10.22069/psj.2018.13815.1276 N2 - The aim of the present study was to test the hypothesis that nano- seleniuminclusion in broilers’ diets can improve productivity and metabolic functions of broilers.Feed and water were provided ad libitum. A total of 180 one-day old male Ross 308 chicks were randomly assigned to six groups based on a completely randomized design, each with three replicates of 10 birds. One of the groups served as the control (CON) and was given a basal diet without further dietary supplementation, whereas the other five groups were offered the same starterandgrower diets further supplemented with dietary nano-selenium (NS) at 0.1 mg/kg of feed (NS1), 0.2 mg/kg of feed (NS2), 0.3 mg/kg of feed (NS3), 0.4 mg/kg of feed (NS4), and 0.5 mg/kg of feed (NS5). Nano-selenium dietary supplementation significantly improved weight gain and feed conversion ratio in starter (1st-21st day), grower (22nd-42nd day) and whole (1st-42nd) periods of experiment (p < 0.05). At the same time, energy and protein utilization was more efficient in NS supplemented groups than the control (P < 0.05). Breast and drumsticks percentages had higher values in the NS supplemented birds than the control (P < 0.05), while abdominal fat percentage had lower values in the NS supplemented birds than the control (P < 0.05).Significant differences in relative weight of testes were observed between treatments (p < 0.05). Glucose and total protein concentrations in blood plasma were not significantly different among the experimental groups (P >0.05). While, albumin levels in blood were decreased and anti-Newcastle disease hemagglutination-inhibition titer was increased after the dietary supplementation with the nano-selenium (p < 0.05). As conclusion, the current study demonstrated that the supplementation of nano-selenium in broiler diets could improve growth performance, carcass components and immune function, without negative effects on internal organs, and other carcass parameters and gastrointestinal parts. UR - https://psj.gau.ac.ir/article_4007.html L1 - https://psj.gau.ac.ir/article_4007_1b8dc6b15959165e9198cce1b316a96a.pdf ER -