Effect of the Chlorella vulgaris Bioencapsulated by Daphnia magna on the Growth and Nutritional Value of the Penaeus vannamei Cultured in a Synbiotic System

Jéssika Lima de Abreu (), Clarissa Vilela Figueiredo da Silva Campos, Priscilla Celes Maciel de Lima, Barbara de Cassia Soares Brandão, Géssica Cavalcanti Pereira Mota, Laenne Barbara Silva de Moraes, Carlos Yure B. Oliveira, Thales Passos de Andrade and Alfredo Olivera Gálvez
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Jéssika Lima de Abreu: Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Dois Irmãos, Recife 52171-900, PE, Brazil
Clarissa Vilela Figueiredo da Silva Campos: Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Dois Irmãos, Recife 52171-900, PE, Brazil
Priscilla Celes Maciel de Lima: Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Dois Irmãos, Recife 52171-900, PE, Brazil
Barbara de Cassia Soares Brandão: Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Dois Irmãos, Recife 52171-900, PE, Brazil
Géssica Cavalcanti Pereira Mota: Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Dois Irmãos, Recife 52171-900, PE, Brazil
Laenne Barbara Silva de Moraes: Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Dois Irmãos, Recife 52171-900, PE, Brazil
Carlos Yure B. Oliveira: Departamento de Botânica, Universidade Federal de Santa Catarina, Carvoeira, Florianópolis 88040-535, SC, Brazil
Thales Passos de Andrade: Laboratório de Diagnóstico de Enfermidades de Crustáceos, Universidade Estadual do Maranhão, Cidade Universitária Paulo VI, São Luís 65055-970, MA, Brazil
Alfredo Olivera Gálvez: Departamento de Pesca e Aquicultura, Universidade Federal Rural de Pernambuco, Dois Irmãos, Recife 52171-900, PE, Brazil

Sustainability, 2025, vol. 17, issue 10, 1-17

Abstract: The growing need for sustainable protein sources in aquaculture has led to interest in microalgae, such as Chlorella vulgaris , known for its high nutritional value. One promising strategy for delivering these nutrients is through bioencapsulation in Daphnia magna , a common live feed used in aquaculture. This study evaluated the effect of including D. magna bioencapsulated with C. vulgaris as live feed for marine shrimp Penaeus vannamei post-larvae. Shrimp were fed at two D. magna densities (5 and 10 per shrimp, 5DF and 10DF), offered weekly, and compared with a control group receiving only commercial feed (F) for 36 days in a synbiotic nursery system. Water quality, zootechnical performance, protein, and lipid content of the shrimp were analyzed using correlation analyses, nonlinear prediction models, and principal component analysis (PCA). Shrimp fed with the 10DF treatment exhibited superior zootechnical performance, characterized by a lower feed conversion ratio (1.01) and higher feed efficiency (99.97%), protein (70.91%), and lipid (32.45%) content in comparison with the 5DF and control. Quadratic regression predictive models indicated the possibility of further testing higher concentrations of D. magna per shrimp. The results indicates that the use of C. vulgaris bioencapsulated in D. magna as live feed for P. vannamei is a promising approach to improve shrimp diets and increase production in aquaculture.

Keywords: live feed; lipid; nutrition; protein; shrimp; zootechnical performance (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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