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首页> 美国卫生研究院文献>Journal of Animal Science >PSXIII-26 Compositional analysis and effects of dietary supplementation of insect meals on nutrient digestibility and gut health of adult dogs.
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PSXIII-26 Compositional analysis and effects of dietary supplementation of insect meals on nutrient digestibility and gut health of adult dogs.

机译：PSXIII-26昆虫粉的成分分析和膳食对成年犬营养消化率和肠道健康的影响。

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Entomophagy, the practice of eating insects, may provide nutrient-rich, environmental-friendly, and economically-sound alternative protein sources for the pet food industry. However, little is known about the nutritional value of insects for pets. Therefore, the objective of this research was to determine the nutritional adequacy of 3 insect meals [i.e., Nauphoeta cinerea (Speckled cockroach; SC), Gromphadorhina portentosa (Madagascar cockroach; MC),and Zophobas morio larvae (Superworm, SW)] added at 2 inclusion levels (7.5% and 15% as is) in diets of adult dogs. The study was performed at the Canine and Feline Nutrition Center at the Federal University of Lavras, Brazil. Six adult beagles (mean BW: 17.7 ± 2.64 kg) were randomly assigned to one of the 6 treatments using a Latin square design. Experimental periods were 15 d long; 10 d for diet adaptation and 5 d for fecal collection. A fresh fecal sample from each dog per period was collected to determine fermentative end-product concentrations (SCFA, BCFA, indoles and phenols) and microbiota (16S rRNA). Microbial DNA was extracted and PCR amplicons from the V4 region of the 16S rRNA gene were used for Illumina sequencing. MiSeq data were analyzed with QIIME 1.9.1. Crude protein and fat concentrations varied substantially among the insect meals; 49–79% and 13–33%, respectively, whereas DM (94–95%), ash (3–4%) and chitin (8–10%) were similar. There was no interaction between insect meal type and inclusion level, and coefficients of digestibility did not differ among treatments and were within acceptable range (> 80% for DM, CP, and fat). Fecal microbial communities (i.e., richness and diversity) were not affected by treatment. Dogs remained healthy throughout the experimental period. The data gathered herein suggest that inclusion up to 15% of these insect meals are adequate for canine nutrition, being well accepted by dogs without affecting nutrient digestibility, fecal metabolites, and microbiota.
机译：吃昆虫的做法是昆虫食相，可以为宠物食品工业提供营养丰富，环境友好且经济上合理的替代蛋白质来源。但是，关于昆虫对宠物的营养价值知之甚少。因此，本研究的目的是确定在3种昆虫粉中添加的营养成分是否适当[即：Nauphoeta cinerea（斑点蟑螂； SC），Gromphadorhina portentosa（马达加斯加蟑螂； MC）和Zophobas morio幼虫（Superworm，SW）]。成年犬的饮食中有2种包合水平（按原样分别为7.5％和15％）。该研究是在巴西拉夫拉斯联邦大学的犬科动物和猫科动物营养中心进行的。使用拉丁方设计，将六只成年小猎犬（平均体重：17.7±2.64千克）随机分配到6种治疗方法之一。实验期为15 d长；饮食适应10 d，粪便收集5 d。收集每个时期每只狗的新鲜粪便样品，以确定发酵终产物浓度（SCFA，BCFA，吲哚和酚）和微生物群（16S rRNA）。提取微生物DNA，并将来自16S rRNA基因V4区的PCR扩增子用于Illumina测序。用QIIME 1.9.1分析MiSeq数据。虫粉中的粗蛋白和脂肪浓度差异很大。 DM（94–95％），灰分（3-4％）和几丁质（8-10％）分别相似，分别为49–79％和13–33％。虫粉类型和夹杂物含量之间没有相互作用，并且不同处理之间的消化系数没有差异，并且在可接受的范围内（DM，CP和脂肪> 80％）。粪便微生物群落（即丰富性和多样性）不受治疗的影响。在整个实验期间，狗保持健康。本文收集的数据表明，最多含有15％的这些昆虫粉足以满足犬的营养要求，被狗很好地接受，而不会影响营养物质的消化率，粪便代谢产物和微生物群。

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