Effects of dietary pyrroloquinoline quinone disodium on growth performance, carcass yield and antioxidant status of broiler chicks

文献类型: 外文期刊

第一作者: Samuel, K. G.

作者: Samuel, K. G.;Zhang, H. J.;Wang, J.;Wu, S. G.;Yue, H. Y.;Qi, G. H.;Sun, L. L.

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关键词: broiler;pyrroloquinoline quinone disodium;growth performance;carcass yield;antioxidant status

期刊名称:ANIMAL ( 影响因子:3.24; 五年影响因子:3.223 )

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收录情况: SCI

摘要: Pyrroloquinoline quinone (PQQ), a putative essential nutrient and redox modulator in microorganisms, cell and animal models, has been recognized as a growth promoter in rodents. Growth performance, carcass yield and antioxidant status were evaluated on broiler chickens fed different levels of PQQ disodium (PQQ.Na-2). A total of 784 day- old male Arbor Acres (AA) broilers were randomly allotted into seven dietary groups: negative control group (NC) fed a basal diet without virginiamycin (VIR) or PQQ.Na-2; a positive control group (PC) fed a diet with 15 mg of VIR/kg diet; and PQQ.Na-2 groups fed with 0.05, 0.10, 0.20, 0.40 or 0.80 mg PQQ.Na-2/kg diet. Each treatment contained eight replicates with 14 birds each. The feeding trial lasted for 6 weeks. The results showed that chicks fed 0.2 mg PQQ.Na-2/kg diet significantly improved growth performance comparable to those in PC group, and the feed efficiency enhancement effects of dietary PQQ.Na-2 was more apparent in grower phase. Dietary addition of PQQ.Na-2 had the potential to stimulate immune organs development, and low level dietary addition (<0.1 mg/kg) increased plasma lysozyme level. Broilers fed 0.2 mg PQQ.Na-2/kg diet gained more carcasses at day 42, and had lower lipid peroxide malondialdehyde content and higher total antioxidant power in plasma. The results indicated that dietary PQQ.Na-2 (0.2 mg/kg diet) had the potential to act as a growth promoter comparable to antibiotic in broiler chicks. in in

分类号: S8

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