Dietary supplementation with Schizochytrium Limacinum in a plant protein-based diet on growth performance, flesh quality, myofiber development, and antioxidant profile of Litopenaeus vannamei
文献类型： 外文期刊
作者： Li, Xingang 1 ; Yao, Xinzhou 1 ; Lu, Jiaqi 1 ; Li, Jiayi 1 ; Tan, Beiping 1 ; Yang, Qihui 1 ; Chi, Shuyan 1 ; Zhang, Shuang 1 ; Liu, Hongyu 1 ; Huang, Wen 3 ; Xie, Shiwei 1 ;
作者机构： 1.Guangdong Ocean Univ, Coll Fisheries, Lab Aquat Nutr & Feed, Zhanjiang 524088, Peoples R China
2.Aquat Anim Precis Nutr & High Efficiency Feed Engn, Zhanjiang 524088, Peoples R China
3.Minist Agr, Key Lab Aquat Livestock & Poultry Feed Sci & Techn, Zhanjiang 524088, Peoples R China
4.Guangdong Acad Agr Sci, Inst Anim Sci, Collaborat Innovat Ctr Aquat Sci, Guangdong Key Lab Anim Breeding & Nutr, Guangzhou 510640, Peoples R China
5.Guangdong Prov Lab Lingnan Modern Agr Sci & Techno, Maoming Branch Ctr, Maoming 525099, Peoples R China
6.Guangdong Havwii Agr Grp Co Ltd, Guangdong Prov Engn Res Ctr Prawn Culture, Zhanjiang 524000, Peoples R China
7.Guangdong Jinyang Biotechnol Co Ltd, Guangdong Prov Engn & Technol Res Ctr, Maoming 525027, Peoples R China
关键词： L. vannamei; Plant-based aquafeed; Muscle biofunctional traits; S. Limacinum; S. Limacinum; L. vannamei; Plant-based aquafeed; Muscle biofunctional traits
期刊名称：ANIMAL FEED SCIENCE AND TECHNOLOGY （ 影响因子：2.7； 五年影响因子：3.1 ）
ISSN： 0377-8401
年卷期： 2025 年 327 卷
页码：
收录情况： SCI
摘要： This research aimed to evaluate the effect of supplementing Schizochytrium Limacinum (S. Limacinum) to a plant protein-based diet on growth performance, flesh quality, myofiber development, and expression of antioxidant-related genes in Litopenaeus vannamei (L. vannamei). Shrimp (initial body weight: 0.25 +/- 0.00 g) were fed three isonitrogenous and iso-lipidic diets (HF, 25 % fish meal (FM); LF, SPC and CPC replaced 60 % FM; LFD, LF diet supplemented with 0.8 % S. Limacinum) for 8 weeks. The results showed that the weight gain rate, specific growth rate, and final weight of shrimp were significantly increased in the LFD group compared to the LF group (P < 0.05). In addition, intestinal protein synthesis-related genes (target of rapamycin, tor; eukaryotic translation initiation factor 4E-binding protein, 4ebp; eukaryotic translation initiation factor, eif3k; ribosome protein S6 kinae, s6k1; raptor) were significantly upregulated in shrimp fed the LFD diet compared to shrimp fed the LF diet (P < 0.05). Muscle flesh quality (hardness, chewiness, and gumminess) of shrimp fed the LFD diet were significantly improved compared to those fed the LF diet (P < 0.05). Moreover, the expression of myofiber development and antioxidant-related genes (smych5, smych15, sod, gpx) were significantly higher in shrimp fed the LFD diet than those fed the LF diet (P < 0.05). In conclusion, supplementation of 0.8 % S. Limacinum in a plant protein-based diet improved the growth performance of shrimp, as well as promoted the flesh quality, myofiber development and the anti-oxidative ability of shrimp.
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