Effects of star anise (Illicium verum Hook. f.), salvia miltiorrhiza (Salvia miltiorrhiza Bge) and ginger root (Zingiber officinale Roscoe) on laying performance, antioxidant status and egg quality of laying hens
文献类型: 外文期刊
第一作者: Yang, C. W.
作者: Yang, C. W.;Ding, X.;Guo, Y. X.;Yang, Z. B.;Zhao, X.;Mu, A. L.
作者机构:
关键词: Laying hen;nutrition;star anise;salvia miltiorrhiza;ginger;laying performance;antioxidant status;egg quality
期刊名称:EUROPEAN POULTRY SCIENCE ( 影响因子:0.84; 五年影响因子:1.205 )
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收录情况: SCI
摘要: The aim of this study was to investigate the effects of dried star anise (Illicium verum Hook. f.; SA), salviamiltiorrhiza (Salvia miltiorrhiza Bge; SM) and ginger root (Zingiber officinale Roscoe, ginger) which were processed to particle sizes of 300urn on laying performance, egg quality and antioxidant status of laying hens. A total of 675 Hy-Line brown laying hens at 40 weeks of age were randomly allocated into 5 treatments (TRT) with 5 replicates in a complete randomised design. The 5 TRT were:1) Control, laying hens were fed maize-soybean meal diets; 2) TRT 1 + 0.150 g/kg BHT = butylated hydroxytoluene; 3) TRT 1 + 5 g/kg SA; 4) TRT 1 + 10 g/kg SM; 5) TRT 1 + 10 g/kgginger.All laying hens had similar average daily feed intake, average egg weight, egg shape index and egg yolk. However, as compared with those of the control treatment, laying hens supplemented with SA, SM and ginger had an improved (P<0.05) laying rate, egg mass and Haugh units and increased (P<0.05) activity of superoxide dismutase and total antioxidant capacity, but reduced (P<0.05) malondialdehyde content in serum. Laying hens supplemented with SA and ginger had increased (P<0.05) eggshell thickness, andsupplementation of ginger improved (P<0.05) egg yolk colour compared with control birds. Laying hens supplemented with BHT had higher (P<0.05) laying rate, egg mass, Haugh units and SOD activity, and lower (P<0.05) MDA content than those in the control group. Dietary supplementation of SA, SM and ginger could improve laying performance, serum antioxidant status and egg quality.
分类号: S8
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