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首页> 外文期刊>Journal of Animal Science >Evaluation of graded levels of Bacillus coagulans GBI-30, 6086 on apparent nutrient digestibility, stool quality, and intestinal health indicators in healthy adult dogs
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Evaluation of graded levels of Bacillus coagulans GBI-30, 6086 on apparent nutrient digestibility, stool quality, and intestinal health indicators in healthy adult dogs

机译：评估芽孢杆菌凝血蛋白GBI-30,6086对健康成年犬表观营养消化率，大便质量和肠道健康指标的评分水平

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Bacillus coagulans GBI-30, 6086 is a commercially available spore-forming non-toxigenic microorganism approved for use in dog foods with high resiliency to stresses associated with commercial manufacturing. The objectives of this research were to examine the effect of B. coagulans on stool quality, nutrient digestibility, and intestinal health markers in healthy adult dogs. Extruded diets containing graded levels of B. coagulans applied either to the base ration before extrusion or to the exterior of the kibble as a topical coating after extrusion were randomly assigned to 10 individually housed adult beagle dogs (7 castrated males and 3 spayed females) of similar age (5.75 +/- 0.23 yr) and body weight (12.3 +/- 1.5 kg). The study was designed as a 5 x 5 replicated Latin square with 16-d adaptation followed by 5-d total fecal collection for each period. Five dietary treatments were formulated to deliver a dose of 0-, 6-, 7-, 8-, and 9-log(10) colony-forming units (CFU) per dog per day for the control (CON), extruded B. coagulans (PEX), and low, moderate, and high B. coagulans coating levels (PCL, PCM, and PCH), respectively. Food-grade TiO2 was added to all diets at a level of 0.4% to serve as an indigestible dietary marker for digestibility calculations. Data were analyzed using a mixed model through SAS (version 9.4, SAS Institute, Inc., Cary, NC) with treatment as a fixed effect and room (i.e., replicate), period, and dog(room) as random effects. Apparent total tract digestibility of organic matter, crude protein, crude fat, and gross energy calculated by the marker method were numerically greatest for dogs fed the 9-log(10) dose treatment with increases (P < 0.05) observed in gross energy and organic matter digestibility compared with the negative control. No significant differences were observed in food intake, stool quality, fecal pH, fecal ammonia, fecal short-chain fatty acids, or branched-chain fatty acids for the extruded B. coagulans treatment (PEX) or the coated B. coagulans treatments (PCL, PCM, and PCH) compared with CON. These results suggest that B. coagulans has a favorable impact on nutrient digestibility and no apparent adverse effects when added to extruded diets at a daily intake level of up to 9-log(10) CFU in healthy adult dogs.
机译：凝结芽孢杆菌GBI-30，6086是一种商业上可获得的产孢无毒微生物，经批准用于狗粮中，对商业生产相关的压力具有很高的弹性。本研究的目的是检测凝结双歧杆菌对健康成年犬粪便质量、营养物质消化率和肠道健康标志物的影响。挤压饲料中含有不同程度的凝结双歧杆菌，在挤压前应用于基础日粮，或挤压后作为局部涂层应用于鸡笼外部，随机分配给10只年龄（5.75+/-0.23岁）和体重（12.3+/-1.5千克）相似的单独饲养成年比格犬（7只去势雄性和3只去势雌性）。该研究设计为一个5×5的重复拉丁方，每个周期进行16天的适应，然后进行5天的粪便收集。为对照组（CON）、挤压凝固酶（PEX）和低、中、高凝固酶包衣水平（PCL、PCM和PCH），制定了五种饮食治疗方案，分别为每只狗每天提供0、6、7、8和9对数（10）菌落形成单位（CFU）。将食品级TiO2以0.4%的水平添加到所有饮食中，作为消化率计算的不可消化饮食标记。通过SAS（SAS Institute，Inc.，Cary，NC）使用混合模型分析数据，治疗作为固定效应，房间（即复制）、周期和狗（房间）作为随机效应。通过标记法计算的有机物、粗蛋白质、粗脂肪和总能量的表观消化道总消化率在9-log（10）剂量组中的数值最大，与阴性对照组相比，观察到总能量和有机物消化率增加（P<0.05）。与对照组相比，挤压凝固酶处理（PEX）或包衣凝固酶处理（PCL、PCM和PCH）的食物摄入量、粪便质量、粪便pH值、粪便氨、粪便短链脂肪酸或支链脂肪酸没有显著差异。这些结果表明，凝结双歧杆菌对健康成年狗的养分消化率有良好的影响，并且在每天摄入高达9 log（10）CFU的挤压饲料中添加时，没有明显的不良影响。

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