Integrating microbiome and transcriptome analyses to understand the effect of replacing fishmeal with Tenebrio molitor meal in Pacific white shrimp (Litopenaeus vannamei) diets

With the increasing price and demand for fishmeal (FM) in aquaculture feeds, Tenebrio molitor (TM), an insect species known as yellow mealworm, is becoming an attractive alternative to FM in the aquaculture industry. This study investigated the effect on growth, enzyme activity, resistance to Vibrio...

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Bibliographic Details
Published in:Aquaculture 2023-10, Vol.575, p.739818, Article 739818
Main Authors: Zheng, Yudong, Hou, Cuihong, Chen, Jian, Wang, Hongming, Yuan, Hang, Hu, Naijie, Shi, Lili, Zhang, Shuang
Format: Article
Language:English
Subjects:
Growth performance
Litopenaeus vannamei
Microbiota structure
Tenebrio molitor
Transcriptomic profile
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Summary:With the increasing price and demand for fishmeal (FM) in aquaculture feeds, Tenebrio molitor (TM), an insect species known as yellow mealworm, is becoming an attractive alternative to FM in the aquaculture industry. This study investigated the effect on growth, enzyme activity, resistance to Vibrio parahaemolyticus, intestinal microbiota, and hemolymph transcriptome in Litopenaeus vannamei (Pacific white shrimp) of replacing up to 45% of FM with TM. L. vannamei (initial weight: 0.42 ± 0.01 g) were fed with diets that replaced FM with TM at 0% (TM0, control), 15% (TM15), 30% (TM30), and 45% (TM45). The results showed that dietary TM30 significantly increased the final body weight (FBW), weight gain rate (WGR), and specific growth rate (SGR) of L. vannamei (P 
ISSN:0044-8486
1873-5622
DOI:10.1016/j.aquaculture.2023.739818