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首页> 外文期刊>Journal of Animal Physiology and Animal Nutrition >Glycaemic and insulinaemic responses to feeding hay with different non-structural carbohydrate content in control and polysaccharide storage myopathy-affected horses.
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Glycaemic and insulinaemic responses to feeding hay with different non-structural carbohydrate content in control and polysaccharide storage myopathy-affected horses.

机译：在对照组和多糖贮积性肌病患病马匹中，饲喂具有不同非结构碳水化合物含量的干草的血糖和胰岛素反应。

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The aim of this study was to determine whether the glycaemic/insulinaemic responses to hay with non-structural carbohydrate (NSC, soluble carbohydrate) of 17% (HC), 10% (MC) or 4% (LC) differs in control horses and whether these responses differ between control and horses with polysaccharide storage myopathy (PSSM). Five clinically normal control horses and seven PSSM horses, all unfit and of Quarter Horse breeding (age 9.4+or-3.4 years, body condition score range: 4.5-6). A crossover design compared the HC and LC hay, with horses randomly assigned to hay type for 5 days, and all horses fed the MC hay during washout, after which the diets were switched. Horses were fed 1.5% BW (as fed) divided into 2 feeding per day, no grain. On morning of the fifth day of each block (seventh day for washout), horses were given 0.5% BW in hay, blood was drawn before and every 30 min for 5 h after feeding, and the rate of intake was measured. Whole blood glucose and plasma insulin were measured. The intake rate was significantly higher for HC. In control horses, the insulin area under the curve (6891.7+or-3524.2 HC vs. 1185.4+or-530.2 LC) was significantly higher than LC. Polysaccharide storage myopathy horses had significantly higher glycaemic and insulinaemic responses to HC vs. LC, however; the magnitude of insulin response was lower and glucose response higher in PSSM vs. control horses. Results suggest that insulin responses can differ significantly with the NSC content of hay. Feeding hay with 17% NSC produces elevations in insulin that could be detrimental for PSSM horses.
机译：这项研究的目的是确定对照马匹对非结构性碳水化合物（NSC，可溶性碳水化合物）为17％（HC），10％（MC）或4％（LC）的干草的血糖/胰岛素反应是否不同。这些反应在对照组和患有多糖贮积性肌病（PSSM）的马之间是否有所不同。五只临床上正常的对照马和七只PSSM马，均不适合四分之一马繁殖（年龄9.4 + -3.4岁，身体状况评分范围：4.5-6）。交叉设计比较了HC和LC干草，将马随机分配为干草类型5天，所有马在冲刷过程中喂食MC干草，之后更换饮食。给马饲喂1.5％体重的BW（按饲喂），每天分两次饲喂，无谷物。在每个街区的第五天早晨（冲刷的第七天），给马饲喂0.5％体重的干草，在喂饲之前和之后30分钟每30分钟抽血一次，并测量摄入率。测量全血糖和血浆胰岛素。 HC的摄入率明显更高。在对照马匹中，曲线下的胰岛素面积（6891.7 +或-3524.2 HC相对于1185.4 +或-530.2 LC）显着高于LC。然而，多糖贮藏性肌病马对HC的血糖和胰岛素反应明显高于LC。与对照组相比，PSSM的胰岛素反应幅度较低，而葡萄糖反应较高。结果表明，胰岛素反应可能与干草中NSC含量显着不同。用17％的NSC饲喂干草会使胰岛素升高，这可能对PSSM马不利。

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