饲料中添加巴戟天黄酮对肉羊生长性能、抗氧化指标、肌肉品质和免疫力的影响OA

In order to study the specific effects of dietary flavonoids on the growth performance,antioxidant capacity,muscle quality and immunity of meat sheep,96 50-day-old weaned lambs with average weight(16.35±1.22)kg were divided into 4 groups,3 replicates and 8 sheep.Added 0,100,200 mg/kg and 400 mg/kg Morinda officinalis to each group respectively.The pre-test was 15 d,and the formal test period was 120 d.The results showed that compared wih the control group,the final weight of 200,400 mg/kg group was significantly increased by 11.7％,12.2％(P＜0.05),and daily weight gain was significantly increased by 18.8％,18.3％,the material to weight ratio was significantly reduced by 15.1％,16.3％(P＜0.05).Compared wih the control group,the serum antioxidant capacity of 400 mg/kg group was significant enhanced by 25.8％;The superoxide dismutase activity of 200,400 mg/kg group was increased by 28.1％,31.5％,and malondialdehyde content was decreased by 19.8％,23.9％(P＜0.05).Compared wih the control group,the slaughter rate of 200,400 mg/kg group was significant enhanced by 18.9％,24.9％(P＜0.05);The drop loss and shear force reduction of 400 mg/kg group were decreased by 23.5％,18.1％(P＜0.05).Compared wih the control group,the serum IgG of 200,400 mg/kg group was significant increased by 11.9％和 12.6％(P＜0.05);The content of IL-4 in 400 mg/kg group was increased by 11.3％,TNF-α was decreased by 21.5％,and CD4+/CD8+value was significant increased by 26.9％(P＜0.05).In conclusion that the addition of Morinda officinalis in the feed improved the growth performance,antioxidant ability,muscle quality and immunity of meat sheep.