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首页> 外文期刊>Poultry Science >Effect of feeding fermented Ginkgo biloba leaves on growth performance, meat quality, and lipid metabolism in broilers.
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Effect of feeding fermented Ginkgo biloba leaves on growth performance, meat quality, and lipid metabolism in broilers.

机译：饲喂发酵的银杏叶对肉鸡生长性能，肉品质和脂质代谢的影响。

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Aspergillus niger-fermented Ginkgo biloba leaves (FR) and its comparative effect with vitamin E (VE) and nonfermented (NF) Ginkgo leaves on growth, lipid metabolism, antioxidant capacity, and meat quality of broiler chicks were investigated. In total, 360 one-day-old broiler chicks were randomly allocated into 6 dietary treatments, which were then denoted as control group (basal diet), VE group (containing respectively 15 and 30 IU/kg of all-rac- alpha-tocopherol acetate in the starter and grower phase), NF group (containing respectively 0.35% and 0.7% NF in the starter and grower phase), and FR1, FR2, and FR3 groups containing respectively 0.2, 0.35, and 0.5% FR in the starter and 0.4, 0.7, and 1.0% FR in the grower phase. The results on performance showed that a significant (P <0.05) reduction of feed:gain ratio of birds in the FR2 group (22-42 d and 1-42 d) was observed when compared with that of the control and NF groups. With dietary FR increasing, the serum alpha-tocopherol concentration increased linearly (P = 0.001). Compared with the control, broilers had higher (P <0.05) serum high-density lipoprotein concentration, total superoxide dismutase activities, and total antioxidant capacity when they were provided with the FR2 and FR3 diet. Whereas the low-density lipoprotein and triglyceride concentrations were lower (P <0.05 or P <0.01) in broilers from FR2 or FR3 groups. As the dietary FR increased, abdominal fat (P = 0.002) and muscle malondialdehyde (P = 0.001) concentrations decreased. Furthermore, 24-h pH, 24-h drip loss, and cooking loss were greatly improved (P <0.05) as the levels of FR increased. Birds fed with FR had a lower (P <0.05) C16:0 and C18:0 concentrations but a greater (P = 0.001) concentration of C18:2, C18:3, and C20:4 than that of the control. In conclusion, FR can improve the growth performance and lipid metabolism of broilers with decreased abdominal fat deposition. Also, the antioxidant capacity and meat quality improving effects observed in broilers fed FR products might result from the increased retention of alpha-tocopherol and reduction in lipid peroxidation, as evidenced by the decrease in malondialdehyde and the increase in total superoxide dismutase activities. copyright Poultry Science Association
机译：黑曲霉发酵的银杏叶（FR）及其与维生素E（VE）和非发酵（NF）银杏叶的比较作用对肉鸡的脂质代谢，抗氧化能力和肉质进行了研究。总共将360只1天大的雏鸡随机分配到6种饮食处理中，然后分别称为对照组（基础饮食），VE组（分别包含15和30 IU / kg的全rac-α-生育酚）发酵剂和生长期中的乙酸盐），NF基团（在发酵剂和生长期中分别含有0.35％和0.7％NF）以及FR1，FR2和FR3基团，其中发酵剂和生长期中的FR分别为0.2、0.35和0.5％生长阶段的FR为0.4、0.7和1.0％。性能结果表明，与FR2组相比，FR2组（22-42 d和1-42 d）的家禽的饲料：增重比显着降低（ P <0.05）。对照组和NF组。随着饮食中FR的增加，血清α-生育酚浓度呈线性增加（ P = 0.001）。与对照组相比，当给它们提供FR2和FR3日粮时，肉鸡的血清高密度脂蛋白浓度，总超氧化物歧化酶活性和总抗氧化能力更高（ P <0.05）。而在FR2或FR3组的肉鸡中，低密度脂蛋白和甘油三酸酯浓度较低（ P <0.05或 P <0.01）。随着饮食中FR的增加，腹部脂肪（ P = 0.002）和肌肉丙二醛（ P = 0.001）的浓度降低。此外，随着FR含量的增加，24小时的pH值，24小时的滴水损失和蒸煮损失也大大改善（ P <0.05）。用FR喂养的家禽的C16：0和C18：0浓度较低（ P <0.05），但C18：2，C18浓度较高（ P = 0.001）： 3，并且C20：4高于对照。总之，FR可以改善肉鸡的生长性能和脂质代谢，同时减少腹部脂肪沉积。同样，饲喂FR产品的肉鸡中观察到的抗氧化能力和肉质改善效果可能是由于α-生育酚的保留量增加和脂质过氧化作用的减少所致，丙二醛的减少和总超氧化物歧化酶活性的增加证明了这一点。版权家禽科学协会

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