Effects of replacing dietary fishmeal with zymolytic black soldier fly larvae on the growth performance of the mud crab (scylla paramamosain) larvae

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dc.contributor.author Yang, Qibin
dc.contributor.author Fan, Rui
dc.contributor.author Ma, Zhenhua
dc.contributor.author Jiang, Song
dc.contributor.author Huang, Jianhua
dc.contributor.author Yang, Lishi
dc.contributor.author Li, YunDong
dc.contributor.author Yang, Rui
dc.contributor.author Hu, Jing
dc.contributor.author Zhou, Shengjie
dc.contributor.author Su, Qiong
dc.contributor.author Zhou, Fa-Lin
dc.date.accessioned 2023-11-13T18:49:25Z
dc.date.available 2023-11-13T18:49:25Z
dc.date.issued 2023
dc.description.abstract Black soldier fly have been shown to be one of the optimal alternatives to fishmeal, but there are few reports on the effects of zymolytic black soldier fly larvae (ZBSFL) on the growth and digestion of crustaceans. An 8-week feeding trial was conducted to evaluate the effects of different replacement levels of ZBFLS on growth performance, body composition, and digestive enzyme activity of the mud crab larvae. Four diets were formulated by replacing fishmeal with 0%, 5%, 10% and 15% ZBSFL in the basal diet. Crab larvae were randomly divided into four groups of three replicates each and fed twice daily. The results showed that the SR of crab larvae was higher than that of the no-substitution group when the substitution rate reached 5% (P < 0.05). There was no significant change in SR when the substitution rate was further increased. Weight growth rate and Specific growth rate were similar, both highest at 10% substitution ratio. The crude protein content of whole crab larvae gradually increased as the proportion of FM substituted by ZBSFL increased. The lipid content of whole crab larvae in the 5% substitution ratio group was significantly higher than that in all other groups (P < 0.05). Meanwhile. The activities of amylase, protease and lipase gradually increased. In this experiment, when the percentage of ZBSFL substitution for FM reached 10%, its growth performance was optimal, with higher SR, less negative effects and more balanced indicators in all aspects. When the substitution rate was further increased, it might increase the digestive burden of the crab and negatively affect its growth.
dc.format.extent null pages
dc.identifier.doi https://doi.org/10.46989/001c.89728
dc.identifier.issn 0792-156X
dc.identifier.uri https://hdl.handle.net/10524/73277
dc.relation.ispartof The Israeli Journal of Aquaculture - Bamidgeh
dc.subject Zymolytic black soldier fly larvae
dc.subject Scylla paramamosain
dc.subject Growth
dc.subject Digestion
dc.title Effects of replacing dietary fishmeal with zymolytic black soldier fly larvae on the growth performance of the mud crab (<em>scylla paramamosain</em>) larvae
dc.type Article
dc.type.dcmi Text
dspace.entity.type
prism.volume 75
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Volume 75, Issue 2, 2023