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293 Impact of black soldier fly larvae meal in a dry extruded food on nutritional quality and health in adult cats
Journal of Animal Science ( IF 2.7 ) Pub Date : 2024-09-14 , DOI: 10.1093/jas/skae234.128
Guido Bosch 1 , Bruna Loureiro 2 , Dirkjan Schokker 1 , Soumya Kar 1 , Nicky Sluczanowski 3
Journal of Animal Science ( IF 2.7 ) Pub Date : 2024-09-14 , DOI: 10.1093/jas/skae234.128
Guido Bosch 1 , Bruna Loureiro 2 , Dirkjan Schokker 1 , Soumya Kar 1 , Nicky Sluczanowski 3
Affiliation
Insects like the black soldier fly larvae (Hermetia illucens; BSFL) have been proposed as protein-rich feed ingredients to support the growing demand for meat. The BSFL hold also promise for use as a protein source in pet foods and, as such, it has been studied for palatability, nutritional quality and health effects in dogs and cats. This study aimed to evaluate the effects of including BSFL meal in a dry, extruded food on nutritional quality and health in healthy adult cats. Two similar compositions of dry, extruded foods were formulated to meet the FEDIAF nutrition guidelines for adult cats of which one was chicken meal-based (control, with 34.3% chicken meal) and the other BSFL meal-based (inclusion of 37.5% BSFL meal). BSFL meal contained 95.0% dry matter, 53.1% crude protein, 14.3% crude fat, 6.0% ash (Protix, Dongen, The Netherlands). Two groups of four cats were each fed one of the two foods for two 28-d periods in a crossover design, with sample collection during the last 7 d of each period. Cats were housed in groups of the same sex during the first 21 d of each period. Both foods were well-accepted by the cats. No health problems (including coat and skin condition) were noted throughout the study. Food type did not impact body weight (P = 0.850). Food intake was greater when cats were fed the BSFL-based food (P < 0.001). Consistency scores of fresh feces were optimal and did not differ between the foods. Compared with the control food, the food with BSFL meal had decreased apparent fecal digestibility values for dry matter, organic matter, nitrogen, and gross energy (P < 0.05) although all values were high. Digestibility values for acid-hydrolyzed fat were similar for both foods (P = 0.628). Diets resulted in changes in fermentation product concentrations, like fecal ammonia was less when cats fed this food compared with the control food (P < 0.001), but the fecal concentrations of the short-chain fatty acids and biogenic amines were generally increased (P < 0.05). Moreover, reduced fecal bacterial diversity and affected bacterial relative abundance suggested that inclusion of BSFL meal steered the microbial composition in the distal gut of cats. It was observed increased relative abundance of bacteria genus considered beneficial for host health like Bifidobacterium (P < 0.001) and Megasphaera (P < 0.036); and inhibition of genus Negativibacillus and Lachnoclostridium (P < 0.001), previously associated to digestive issues and negative for gut health. Overall, the data gathered in this study suggests that BSFL meal is an adequate alternative ingredient for extruded dry cat foods and may exert a prebiotic effect on intestinal microbiota.
中文翻译:
293 干挤压食品中黑水虻幼虫粉对成年猫营养质量和健康的影响
像黑水虻幼虫 (Hermetia illucens;BSFL) 已被提议作为富含蛋白质的饲料原料,以支持对肉类不断增长的需求。BSFL 还有望用作宠物食品的蛋白质来源,因此,它已被研究用于狗和猫的适口性、营养质量和健康影响。本研究旨在评估在干燥的膨化食品中加入 BSFL 餐对健康成年猫营养质量和健康的影响。为满足 FEDIAF 成年猫的营养指南,配制了两种类似的干燥挤压食品成分,其中一种以鸡肉粉为基础(对照,含 34.3% 鸡肉粉),另一种以 BSFL 粉为基础(包括 37.5% BSFL 粉)。BSFL 粕含有 95.0% 的干物质、53.1% 的粗蛋白、14.3% 的粗脂肪、6.0% 的灰分(Protix,荷兰东根)。在交叉设计中,两组四只猫分别喂食两种食物中的一种,持续两个 28 天,在每个时期的最后 7 天采集样本。在每个时期的前 21 天,猫被安置在同性别的群体中。这两种食物都被猫们很好地接受了。在整个研究过程中没有发现健康问题 (包括皮毛和皮肤状况)。食物类型对体重没有影响 (P = 0.850)。当猫喂食基于 BSFL 的食物时,食物摄入量更高 (P < 0.001)。新鲜粪便的稠度评分是最佳的,并且在食物之间没有差异。与对照食物相比,尽管所有值都很高,但 BSFL 粉的食物的干物质、有机质、氮和总能量的表观粪便消化率值降低 (P < 0.05)。两种食物的酸水解脂肪消化率值相似 (P = 0.628)。 饮食导致发酵产物浓度的变化,与对照食物相比,猫喂食这种食物时的粪便氨含量较低 (P < 0.001),但短链脂肪酸和生物胺的粪便浓度普遍增加 (P < 0.05)。此外,粪便细菌多样性的降低和细菌相对丰度的降低表明,加入 BSFL 餐控制了猫远端肠道的微生物组成。观察到被认为对宿主健康有益的细菌属的相对丰度增加,如双歧杆菌 (P < 0.001) 和 Megasphaera (P < 0.036);以及抑制 Negativibacillus 和 Lachnoclostridium 属 (P < 0.001),以前与消化问题有关,对肠道健康不利。总体而言,本研究中收集的数据表明,BSFL 粉是挤压干猫粮的适当替代成分,可能对肠道微生物群产生益生元作用。
更新日期:2024-09-14
中文翻译:
293 干挤压食品中黑水虻幼虫粉对成年猫营养质量和健康的影响
像黑水虻幼虫 (Hermetia illucens;BSFL) 已被提议作为富含蛋白质的饲料原料,以支持对肉类不断增长的需求。BSFL 还有望用作宠物食品的蛋白质来源,因此,它已被研究用于狗和猫的适口性、营养质量和健康影响。本研究旨在评估在干燥的膨化食品中加入 BSFL 餐对健康成年猫营养质量和健康的影响。为满足 FEDIAF 成年猫的营养指南,配制了两种类似的干燥挤压食品成分,其中一种以鸡肉粉为基础(对照,含 34.3% 鸡肉粉),另一种以 BSFL 粉为基础(包括 37.5% BSFL 粉)。BSFL 粕含有 95.0% 的干物质、53.1% 的粗蛋白、14.3% 的粗脂肪、6.0% 的灰分(Protix,荷兰东根)。在交叉设计中,两组四只猫分别喂食两种食物中的一种,持续两个 28 天,在每个时期的最后 7 天采集样本。在每个时期的前 21 天,猫被安置在同性别的群体中。这两种食物都被猫们很好地接受了。在整个研究过程中没有发现健康问题 (包括皮毛和皮肤状况)。食物类型对体重没有影响 (P = 0.850)。当猫喂食基于 BSFL 的食物时,食物摄入量更高 (P < 0.001)。新鲜粪便的稠度评分是最佳的,并且在食物之间没有差异。与对照食物相比,尽管所有值都很高,但 BSFL 粉的食物的干物质、有机质、氮和总能量的表观粪便消化率值降低 (P < 0.05)。两种食物的酸水解脂肪消化率值相似 (P = 0.628)。 饮食导致发酵产物浓度的变化,与对照食物相比,猫喂食这种食物时的粪便氨含量较低 (P < 0.001),但短链脂肪酸和生物胺的粪便浓度普遍增加 (P < 0.05)。此外,粪便细菌多样性的降低和细菌相对丰度的降低表明,加入 BSFL 餐控制了猫远端肠道的微生物组成。观察到被认为对宿主健康有益的细菌属的相对丰度增加,如双歧杆菌 (P < 0.001) 和 Megasphaera (P < 0.036);以及抑制 Negativibacillus 和 Lachnoclostridium 属 (P < 0.001),以前与消化问题有关,对肠道健康不利。总体而言,本研究中收集的数据表明,BSFL 粉是挤压干猫粮的适当替代成分,可能对肠道微生物群产生益生元作用。