Partial replacement of soybean meal by yellow mealworm (Tenebrio molitor) meal influences the flesh quality of Nile tilapia (Oreochromis niloticus)

This study investigated the effects of yellow mealworm meal (YM) replacing soybean meal (SBM) at different proportions (0%, 15%, 30% and 45%, referred as YM0, YM15, YM30 and YM45, respectively) on the flesh quality of Nile tilapia. A total of 360 fish (70.0 ± 0.12 g) were randomly divided into 4 gro...

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Main Authors: Le Zhang, Hong-Xia Wu, Wei-Jie Li, Fang Qiao, Wen-Bing Zhang, Zhen-Yu Du, Mei-Ling Zhang
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2023-03-01
Series:Animal Nutrition
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405654522001378
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author Le Zhang
Hong-Xia Wu
Wei-Jie Li
Fang Qiao
Wen-Bing Zhang
Zhen-Yu Du
Mei-Ling Zhang
author_facet Le Zhang
Hong-Xia Wu
Wei-Jie Li
Fang Qiao
Wen-Bing Zhang
Zhen-Yu Du
Mei-Ling Zhang
author_sort Le Zhang
collection DOAJ
description This study investigated the effects of yellow mealworm meal (YM) replacing soybean meal (SBM) at different proportions (0%, 15%, 30% and 45%, referred as YM0, YM15, YM30 and YM45, respectively) on the flesh quality of Nile tilapia. A total of 360 fish (70.0 ± 0.12 g) were randomly divided into 4 groups (3 tanks per group). Fish were fed the experimental diet twice daily for 10 wk. The results showed that muscle protein content significantly decreased in YM30 and YM45, while the lipid content significantly decreased in YM45 (P < 0.05). The essential amino acids and flavor amino acids of the muscle were not affected by the YM substitution, while saturated fatty acid content decreased in YM30 and YM45 compared with YM0 (P < 0.05). Fillets in YM45 had higher hardness, gumminess, and a higher proportion of thin myofibers (≤100 μm, P < 0.05) than those in other groups. Further analysis revealed that apoptosis and atrophy related genes were up-regulated, while the muscle antioxidant capacity decreased significantly in YM45 (P < 0.05), which may be related to the high acid value in YM45 diet. Our findings indicated that YM could replace up to 30% SBM without substantially altering the flesh quality. When the replacement ratio increased to 45%, the flesh quality would change. Special attention should be paid to avoid feed rancidity which may affect the flesh quality of fish.
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spelling doaj.art-5ce0cfda4a62442fa4a57f2f4c248f5d2023-03-25T05:11:43ZengKeAi Communications Co., Ltd.Animal Nutrition2405-65452023-03-0112108115Partial replacement of soybean meal by yellow mealworm (Tenebrio molitor) meal influences the flesh quality of Nile tilapia (Oreochromis niloticus)Le Zhang0Hong-Xia Wu1Wei-Jie Li2Fang Qiao3Wen-Bing Zhang4Zhen-Yu Du5Mei-Ling Zhang6Laboratory of Aquaculture Nutrition and Environmental Health, School of Life Sciences, East China Normal University, Shanghai 200241, ChinaLaboratory of Aquaculture Nutrition and Environmental Health, School of Life Sciences, East China Normal University, Shanghai 200241, ChinaLaboratory of Aquaculture Nutrition and Environmental Health, School of Life Sciences, East China Normal University, Shanghai 200241, ChinaLaboratory of Aquaculture Nutrition and Environmental Health, School of Life Sciences, East China Normal University, Shanghai 200241, ChinaThe Key Laboratory of Mariculture, Ministry of Education, The Key Laboratory of Aquaculture Nutrition and Feeds, Ministry of Agriculture, Ocean University of China, Qingdao 266003, ChinaLaboratory of Aquaculture Nutrition and Environmental Health, School of Life Sciences, East China Normal University, Shanghai 200241, ChinaLaboratory of Aquaculture Nutrition and Environmental Health, School of Life Sciences, East China Normal University, Shanghai 200241, China; Corresponding author.This study investigated the effects of yellow mealworm meal (YM) replacing soybean meal (SBM) at different proportions (0%, 15%, 30% and 45%, referred as YM0, YM15, YM30 and YM45, respectively) on the flesh quality of Nile tilapia. A total of 360 fish (70.0 ± 0.12 g) were randomly divided into 4 groups (3 tanks per group). Fish were fed the experimental diet twice daily for 10 wk. The results showed that muscle protein content significantly decreased in YM30 and YM45, while the lipid content significantly decreased in YM45 (P < 0.05). The essential amino acids and flavor amino acids of the muscle were not affected by the YM substitution, while saturated fatty acid content decreased in YM30 and YM45 compared with YM0 (P < 0.05). Fillets in YM45 had higher hardness, gumminess, and a higher proportion of thin myofibers (≤100 μm, P < 0.05) than those in other groups. Further analysis revealed that apoptosis and atrophy related genes were up-regulated, while the muscle antioxidant capacity decreased significantly in YM45 (P < 0.05), which may be related to the high acid value in YM45 diet. Our findings indicated that YM could replace up to 30% SBM without substantially altering the flesh quality. When the replacement ratio increased to 45%, the flesh quality would change. Special attention should be paid to avoid feed rancidity which may affect the flesh quality of fish.http://www.sciencedirect.com/science/article/pii/S2405654522001378Yellow mealworm mealNovel feed protein sourceNile tilapiaFlesh qualityTexture property
spellingShingle Le Zhang
Hong-Xia Wu
Wei-Jie Li
Fang Qiao
Wen-Bing Zhang
Zhen-Yu Du
Mei-Ling Zhang
Partial replacement of soybean meal by yellow mealworm (Tenebrio molitor) meal influences the flesh quality of Nile tilapia (Oreochromis niloticus)
Animal Nutrition
Yellow mealworm meal
Novel feed protein source
Nile tilapia
Flesh quality
Texture property
title Partial replacement of soybean meal by yellow mealworm (Tenebrio molitor) meal influences the flesh quality of Nile tilapia (Oreochromis niloticus)
title_full Partial replacement of soybean meal by yellow mealworm (Tenebrio molitor) meal influences the flesh quality of Nile tilapia (Oreochromis niloticus)
title_fullStr Partial replacement of soybean meal by yellow mealworm (Tenebrio molitor) meal influences the flesh quality of Nile tilapia (Oreochromis niloticus)
title_full_unstemmed Partial replacement of soybean meal by yellow mealworm (Tenebrio molitor) meal influences the flesh quality of Nile tilapia (Oreochromis niloticus)
title_short Partial replacement of soybean meal by yellow mealworm (Tenebrio molitor) meal influences the flesh quality of Nile tilapia (Oreochromis niloticus)
title_sort partial replacement of soybean meal by yellow mealworm tenebrio molitor meal influences the flesh quality of nile tilapia oreochromis niloticus
topic Yellow mealworm meal
Novel feed protein source
Nile tilapia
Flesh quality
Texture property
url http://www.sciencedirect.com/science/article/pii/S2405654522001378
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