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首页> 美国卫生研究院文献>Poultry Science >Effects of parental dietary linoleic acid on growth performance antioxidant capacity and lipid metabolism in domestic pigeons (Columba livia)
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Effects of parental dietary linoleic acid on growth performance antioxidant capacity and lipid metabolism in domestic pigeons (Columba livia)

机译：父母膳食亚油酸对国内鸽子生长性能抗氧化能力和脂质代谢的影响（Columba Livia）

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The objective of this study was to evaluate the effects of dietary linoleic acid (LA) on growth performance, antioxidant capacity, and lipid metabolism in pigeon squabs by supplementing LA in their parental diets. A completely randomized design that consisted of a control group, 1% dietary LA addition group (LA1%), 2% dietary LA addition group (LA2%), and 4% dietary LA addition group (LA4%) was used. Six squabs from each treatment were randomly sampled at the day of hatch and days 7, 14, and 21 after hatch. The results showed that parental dietary LA had no significant influence (P > 0.05) on body weight (BW) gain or relative organ weights (% of BW) in squabs. The activities of superoxide dismutase, catalase, and glutathione peroxidase in the LA1% were significantly increased (P < 0.05) compared with those in the control group. The malondialdehyde content in the LA1% was significantly lower (P < 0.05) than that in the control group. The levels of serum triglyceride in the LA1% and LA2% were significantly decreased (P < 0.05) compared with those in the control group, whereas the serum high-density lipoprotein cholesterol level in the LA1% and LA2% and the free fatty acid level in the LA4% were significantly higher (P < 0.05) than those of the control group. The activities of lipoprotein lipase, hepatic lipase, and hormone-sensitive lipase in the LA1% were significantly higher (P < 0.05) than those in the control group. The 3-hydroxy-3-methylglutaryl coenzyme A reductase activity in the LA1% and the hormone-sensitive lipase activity in the LA4% were significantly decreased (P < 0.05) compared with those in the control group. The mRNA expression of carnitine palmitoyltransferase 1, acyl-CoA 1, and peroxisome proliferator-activated receptor α was significantly upregulated (P < 0.05) in the LA1% compared with that in the control group. The Oil Red O staining area in the LA1% and LA2% was significantly reduced compared with that in the control group. The results indicated that although supplemental LA had negligible effects on growth and development in pigeon squabs, parental dietary LA at a concentration of 1% could have beneficial effects on maintaining squabs healthy as reflected by improved antioxidant capacity and lipid metabolism.
机译：本研究的目的是评估膳食亚油酸（LA）对鸽子饮食中的LA对鸽子队中生长性能，抗氧化能力和脂质代谢的影响。使用完全随机设计，由对照组组成，1％膳食La加法组（La1％），2％膳食La加法组（La2％）和4％膳食La加法组（La4％）。每次治疗中的六个枝条在舱口和孵化后的第7天，第14天和第21天随机取样。结果表明，牛顿膳食La对体重（BW）增益或相对器官重量（BW的相对器官重量（BW的百分比）没有显着影响（p> 0.05）。与对照组中的那些相比，La1％中超氧化物歧化酶，过氧化氢酶和谷胱甘肽过氧化物酶的活性显着增加（P <0.05）。 LA1％中的丙二醛含量显着降低（P <0.05），而不是对照组。与对照组相比，La1％和La2％的血清甘油三酯水平显着降低（P <0.05），而LA1％和LA2％和游离脂肪酸水平血清高密度脂蛋白胆固醇水平显着降低（P <0.05）在La4％显着高（P <0.05），而不是对照组。 La1％在La1％中的脂蛋白脂肪酶，肝脂肪酶和激素敏感脂肪酶的活性显着高（P <0.05），而不是对照组。与对照组的那些相比，3-羟基-3-甲基戊族辅酶在La1％和La4％中的激素敏感脂肪酶活性的还原酶活性显着降低（P <0.05）。与对照组相比，La1％在La1％中显着上调（P <0.05），肉毒氨基棕榈酰丙烷增殖酶1，酰基-Co1和过氧化物体增殖剂活化受体α的mRNA表达。与对照组相比，La1％和La2％的油红色O染色区域显着降低。结果表明，虽然补充洛杉矶对鸽子枝的生长和发育效果可忽略不计，但浓度为1％的父母膳食La可能对维持抗氧化能力和脂质代谢的反映的枝条保持枝条健康的有益作用。

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