Effects of different stocking densities on growth performance, antioxidant ability, and immunity of finishing broilers
作者： Chen Hao Cai , Ruo Xi Zhao , Peng Wang , Jiang Shui Wang , Kai Xuan Li
DOI: 10.1111/ASJ.13148
关键词: Antioxidant 、 Animal science 、 Immunity 、 Catalase 、 Blood serum 、 Superoxide dismutase 、 Stocking 、 Biology 、 Hsp70 、 Broiler
摘要: The study was conducted to evaluate the effects of different stocking densities on growth performance, antioxidant capacity, and immunity broilers. One thousand four hundred forty 22-day-old Lingnan Yellow broilers were randomly allotted five density groups (8, 10, 12, 14, 16 birds per m2 ). Each group consisted three replicates. results showed that 8 10 birds/m2 had higher average daily feed intake (ADFI) than others (p < 0.05). Heat shock protein 70 (HSP70 ) in highest levels lowest total capability (T-AOC) superoxide dismutase (T-SOD) activities blood serum 0.05), significantly increased interleukin-1β (IL-1β) interleukin-4 (IL-4) concentration compared In liver, eight T-AOC 0.05) also catalase (CAT) 14 0.05); T-SOD among all conclusion, above suggest up or can prevent negative performance welfare parameters
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