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Partial replacement of soybean meal by yellow mealworm (Tenebrio molitor) meal influences the flesh quality of Nile tilapia (Oreochromis niloticus)
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Le Zhanga, Hong-Xia Wua, Wei-Jie Lia, Fang Qiaoa, Wen-Bing Zhangb, Zhen-Yu Dua, Mei-Ling Zhanga, *
Animal Nutrition | 2023, 12(1) : 108 - 115
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Animal Nutrition | 2023, 12(1): 108-115
• Short Communication •
Partial replacement of soybean meal by yellow mealworm (Tenebrio molitor) meal influences the flesh quality of Nile tilapia (Oreochromis niloticus)
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Le Zhanga, Hong-Xia Wua, Wei-Jie Lia, Fang Qiaoa, Wen-Bing Zhangb, Zhen-Yu Dua, Mei-Ling Zhanga, *
Affiliations
  • aLaboratory of Aquaculture Nutrition and Environmental Health, School of Life Sciences, East China Normal University, Shanghai 200241, China
  • bThe Key Laboratory of Mariculture, Ministry of Education, The Key Laboratory of Aquaculture Nutrition and Feeds, Ministry of Agriculture, Ocean University of China, Qingdao 266003, China
Published: 2023-03-10 doi: 10.1016/j.aninu.2022.09.007
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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.

Yellow mealworm meal  /  Novel feed protein source  /  Nile tilapia  /  Flesh quality  /  Texture property
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)[J]. Animal Nutrition, 2023 , 12 (1) : 108 -115 . DOI: 10.1016/j.aninu.2022.09.007
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Year 2023 volume 12 Issue 1
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Article Info
doi: 10.1016/j.aninu.2022.09.007
  • Receive Date：2022-05-10
  • Online Date：2026-02-03
  • Published：2023-03-10
Article Data
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History
  • Received：2022-05-10
  • Revised：2022-09-23
  • Accepted：2022-09-27
Affiliations
    aLaboratory of Aquaculture Nutrition and Environmental Health, School of Life Sciences, East China Normal University, Shanghai 200241, China
    bThe Key Laboratory of Mariculture, Ministry of Education, The Key Laboratory of Aquaculture Nutrition and Feeds, Ministry of Agriculture, Ocean University of China, Qingdao 266003, China

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* Corresponding author. E-mail address: (M.-L.Zhang).
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https://castjournals.cast.org.cn/joweb/aninu/EN/10.1016/j.aninu.2022.09.007
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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