Effects of replacing fish meal with fermented soybean meal on the growth performance, intestinal microbiota, morphology and disease resistance of largemouth bass (Micropterus salmoides)

This study investigated the effects of replacing fish meal (FM) with fermented soybean meal (FSM) on the growth performance, serum biochemical indices, intestinal health, microbial community and disease resistance of largemouth bass (Micropterus salmoides). The basal diet was designed to contain 350...

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Autores principales:	Hang Yang, Yuhao Bian, Lingling Huang, Qing Lan, Lizhou Ma, Xiaoqin Li, Xiangjun Leng
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Largemouth bass Fermented soybean meal Growth performance Intestinal histology Intestinal microbiota Disease resistance Aquaculture. Fisheries. Angling SH1-691
Acceso en línea:	https://doaj.org/article/ade26b3a79b44689a3dc0cc39a0128fb
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spelling	oai:doaj.org-article:ade26b3a79b44689a3dc0cc39a0128fb2021-11-26T04:34:37ZEffects of replacing fish meal with fermented soybean meal on the growth performance, intestinal microbiota, morphology and disease resistance of largemouth bass (Micropterus salmoides)2352-513410.1016/j.aqrep.2021.100954https://doaj.org/article/ade26b3a79b44689a3dc0cc39a0128fb2022-02-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2352513421003719https://doaj.org/toc/2352-5134This study investigated the effects of replacing fish meal (FM) with fermented soybean meal (FSM) on the growth performance, serum biochemical indices, intestinal health, microbial community and disease resistance of largemouth bass (Micropterus salmoides). The basal diet was designed to contain 350 g/kg FM (control, FSM-0), and then, FM was decreased to 300 g/kg, 250 g/kg, 200 g/kg, 150 g/kg by the FSM inclusion of 75 g/kg (FSM-7.5), 150 g/kg (FSM-15.0), 225 g/kg (FSM-22.5) and 300 g/kg (FSM-30), respectively. The five diets were fed to largemouth bass with initial body weight of 21.2 ± 0.1 g for 8 weeks. The results showed that FSM-30 group presented lower weight gain, and FSM-22.5 and FSM-30 groups displayed higher feed conversion ratio than those of the control group (P < 0.05). No significant difference was observed in whole body composition (moisture, crude protein, crude lipid and crude ash) among all the groups (P > 0.05). Compared with the control, the protein retention in FSM-30 group, the lipid retention in FSM-15, FSM-22.5 and FSM-30 groups, and serum superoxide dismutase activity and total antioxidant capacity in FSM-22.5 and FSM-30 groups were decreased (P < 0.05). Moreover, the foregut villus height was reduced in all the FM-replaced groups, but the villus height, muscle thickness and villus circumferences of foregut were promoted in FSM-15, FSM-22.5 and FSM-30 groups. In terms of intestinal microorganism, FSM-22.5 and FSM-30 groups had lower abundance of Cetobacterium and higher abundance of Mycoplasma than those of the control group (P < 0.05). In the challenge test with intraperitoneal injection of Aeromonas hydrophila, the cumulative mortality was lowered in FSM-22.5 group (P < 0.05). In conclusion, in a basal diet containing 350 g/kg FM, FSM could be included at 150 g/kg to replace 100 g/kg FM without negative effects on the growth, feed utilization and intestinal health of largemouth bass.Hang YangYuhao BianLingling HuangQing LanLizhou MaXiaoqin LiXiangjun LengElsevierarticleLargemouth bassFermented soybean mealGrowth performanceIntestinal histologyIntestinal microbiotaDisease resistanceAquaculture. Fisheries. AnglingSH1-691ENAquaculture Reports, Vol 22, Iss , Pp 100954- (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Largemouth bass Fermented soybean meal Growth performance Intestinal histology Intestinal microbiota Disease resistance Aquaculture. Fisheries. Angling SH1-691
spellingShingle	Largemouth bass Fermented soybean meal Growth performance Intestinal histology Intestinal microbiota Disease resistance Aquaculture. Fisheries. Angling SH1-691 Hang Yang Yuhao Bian Lingling Huang Qing Lan Lizhou Ma Xiaoqin Li Xiangjun Leng Effects of replacing fish meal with fermented soybean meal on the growth performance, intestinal microbiota, morphology and disease resistance of largemouth bass (Micropterus salmoides)
description	This study investigated the effects of replacing fish meal (FM) with fermented soybean meal (FSM) on the growth performance, serum biochemical indices, intestinal health, microbial community and disease resistance of largemouth bass (Micropterus salmoides). The basal diet was designed to contain 350 g/kg FM (control, FSM-0), and then, FM was decreased to 300 g/kg, 250 g/kg, 200 g/kg, 150 g/kg by the FSM inclusion of 75 g/kg (FSM-7.5), 150 g/kg (FSM-15.0), 225 g/kg (FSM-22.5) and 300 g/kg (FSM-30), respectively. The five diets were fed to largemouth bass with initial body weight of 21.2 ± 0.1 g for 8 weeks. The results showed that FSM-30 group presented lower weight gain, and FSM-22.5 and FSM-30 groups displayed higher feed conversion ratio than those of the control group (P < 0.05). No significant difference was observed in whole body composition (moisture, crude protein, crude lipid and crude ash) among all the groups (P > 0.05). Compared with the control, the protein retention in FSM-30 group, the lipid retention in FSM-15, FSM-22.5 and FSM-30 groups, and serum superoxide dismutase activity and total antioxidant capacity in FSM-22.5 and FSM-30 groups were decreased (P < 0.05). Moreover, the foregut villus height was reduced in all the FM-replaced groups, but the villus height, muscle thickness and villus circumferences of foregut were promoted in FSM-15, FSM-22.5 and FSM-30 groups. In terms of intestinal microorganism, FSM-22.5 and FSM-30 groups had lower abundance of Cetobacterium and higher abundance of Mycoplasma than those of the control group (P < 0.05). In the challenge test with intraperitoneal injection of Aeromonas hydrophila, the cumulative mortality was lowered in FSM-22.5 group (P < 0.05). In conclusion, in a basal diet containing 350 g/kg FM, FSM could be included at 150 g/kg to replace 100 g/kg FM without negative effects on the growth, feed utilization and intestinal health of largemouth bass.
format	article
author	Hang Yang Yuhao Bian Lingling Huang Qing Lan Lizhou Ma Xiaoqin Li Xiangjun Leng
author_facet	Hang Yang Yuhao Bian Lingling Huang Qing Lan Lizhou Ma Xiaoqin Li Xiangjun Leng
author_sort	Hang Yang
title	Effects of replacing fish meal with fermented soybean meal on the growth performance, intestinal microbiota, morphology and disease resistance of largemouth bass (Micropterus salmoides)
title_short	Effects of replacing fish meal with fermented soybean meal on the growth performance, intestinal microbiota, morphology and disease resistance of largemouth bass (Micropterus salmoides)
title_full	Effects of replacing fish meal with fermented soybean meal on the growth performance, intestinal microbiota, morphology and disease resistance of largemouth bass (Micropterus salmoides)
title_fullStr	Effects of replacing fish meal with fermented soybean meal on the growth performance, intestinal microbiota, morphology and disease resistance of largemouth bass (Micropterus salmoides)
title_full_unstemmed	Effects of replacing fish meal with fermented soybean meal on the growth performance, intestinal microbiota, morphology and disease resistance of largemouth bass (Micropterus salmoides)
title_sort	effects of replacing fish meal with fermented soybean meal on the growth performance, intestinal microbiota, morphology and disease resistance of largemouth bass (micropterus salmoides)
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/ade26b3a79b44689a3dc0cc39a0128fb
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Effects of replacing fish meal with fermented soybean meal on the growth performance, intestinal microbiota, morphology and disease resistance of largemouth bass (Micropterus salmoides)

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