The Potential of Defatted Yellow Mealworm (Tenebrio molitor) Meal as an Alternative Protein Source for Juvenile Chinese Mitten Crab (Eriocheir sinensis)

IF 3 2区农林科学 Q1 FISHERIES

Aquaculture Nutrition Pub Date : 2024-09-30 DOI:10.1155/2024/8782924

Wenxiang Yao, Chunyan Zhang, Sai Zhang, Guoan Hua, Sitong Zhao, Huiyang Shuang, Ningyang Sun, Yijun Sun, Lumpan Poolsawat, Jianguo Wang, Quan Wang

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Abstract

This study was aimed to investigate the effects of replacing dietary fish meal (FM) with defatted yellow mealworm (Tenebrio molitor) meal (DYM) on growth performance, intestinal health, serum immune, and antioxidant indexes of juvenile Chinese mitten crab (Eriocheir sinensis). Four hundred juvenile Chinese mitten crabs (4.94 ± 0.08 g) were randomly distributed into five groups in quadruplicate (20 crabs per tank), and each group was fed with diets that replaced FM with DYM at 0% (CON, containing 200 g/kg FM), 25% (DYM25), 50% (DYM50), 75% (DYM75), and 100% (DYM100) for 8 weeks, respectively. The results showed that the growth, serum immune and antioxidant indexes, digestive enzyme activities, intestinal histology, and microbiota composition of DYM25, DYM50, and DYM75 groups all reached the similar level as the CON group. While when 100% fishmeal was replaced, significantly decreased the final body weight (FBW), weight gain (WG), serum alkaline phosphatase (AKP), acid phosphatase (ACP), lysozyme (LZM), glutathione peroxidase (GSH-Px), total antioxidant capacity (T-AOC), and total superoxide dismutase (T-SOD) activities, hepatopancreas protease activity, mid-intestine folds height and number (P < 0.05), significantly increased the feed conversion ratio (FCR), serum malondialdehyde (MDA) content, and the abundance of intestinal harmful bacteria Shewanella (P < 0.05). Overall, these results suggest that 75% dietary FM (150 g/kg) can be effectively replaced by DYM without negative impact on the growth performance, intestinal health, serum immune, and antioxidant indexes of juvenile E. sinensis.

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脱脂黄粉虫肉作为中华绒螯蟹幼体替代蛋白质来源的潜力

本研究旨在探讨用脱脂黄粉虫粉（DYM）替代日粮鱼粉（FM）对中华绒螯蟹幼体生长性能、肠道健康、血清免疫和抗氧化指标的影响。将400只中华绒螯蟹（4.94 ± 0.08 g）随机分为5组，每组20只，每组分别喂食0%（CON，每千克含200 g FM）、25%（DYM25）、50%（DYM50）、75%（DYM75）和100%（DYM100）的DYM替代FM的日粮8周。结果表明，DYM25、DYM50 和 DYM75 组的生长、血清免疫和抗氧化指标、消化酶活性、肠道组织学和微生物群组成均达到与 CON 组相似的水平。取代100%鱼粉后，DYM25、DYM50和DYM75组的最终体重（FBW）、增重（WG）、血清碱性磷酸酶（AKP）、酸性磷酸酶（ACP）、溶菌酶（LZM）、谷胱甘肽过氧化物酶（GSH-Px）、总抗氧化能力（T-AOC）和总超氧化物歧化酶（T-SOD）活性、肝胰蛋白酶活性、肠道中皱襞高度和数量均显著降低（P < 0.05），明显提高饲料转化率（FCR）、血清丙二醛（MDA）含量和肠道有害细菌雪旺菌的丰度（P < 0.05）。总之，这些结果表明，75%的日粮FM（150克/千克）可被DYM有效替代，而不会对中华绒螯虾幼鱼的生长性能、肠道健康、血清免疫和抗氧化指标产生负面影响。

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来源期刊

Aquaculture Nutrition 农林科学-渔业

CiteScore

7.20

自引率

8.60%

发文量

131

审稿时长

3 months

期刊介绍： Aquaculture Nutrition is published on a bimonthly basis, providing a global perspective on the nutrition of all cultivated aquatic animals. Topics range from extensive aquaculture to laboratory studies of nutritional biochemistry and physiology. The Journal specifically seeks to improve our understanding of the nutrition of aquacultured species through the provision of an international forum for the presentation of reviews and original research papers. Aquaculture Nutrition publishes papers which strive to: increase basic knowledge of the nutrition of aquacultured species and elevate the standards of published aquaculture nutrition research. improve understanding of the relationships between nutrition and the environmental impact of aquaculture. increase understanding of the relationships between nutrition and processing, product quality, and the consumer. help aquaculturalists improve their management and understanding of the complex discipline of nutrition. help the aquaculture feed industry by providing a focus for relevant information, techniques, tools and concepts.