Probiotic Applications in Aquaculture

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Molecular Microbiology and Immunology".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 889

Special Issue Editors


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Guest Editor
Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
Interests: aquafeeds; nutrition physiology; development and utilization of probiotics; immuno-stimulantant
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E-Mail Website
Guest Editor
Department of Biological Science and Technology, National Pingtung University of Science and Technology, No. 1, Hseufu Road, Neipu, Pingtung 912, Taiwan
Interests: probiotics; aquaculture; immunostimulants; gene expression; bacteriocin; exopolysaccharides
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The rising demand for sustainable aquaculture practices has highlighted the need for innovative and environmentally friendly solutions to enhance aquatic health, productivity, and resilience. One such promising approach is the application of probiotics in aquaculture. Probiotics, live microorganisms that confer health benefits to the host, have gained increasing attention for their potential to improve water quality, boost immune responses, prevent disease, and promote growth in farmed aquatic species.

This Special Issue, titled “Probiotic Applications in Aquaculture”, focuses on the diverse applications of probiotics in aquaculture, while addressing the critical challenges and opportunities for sustainable development in this sector. It brings together cutting-edge research and reviews that explore the mechanisms by which probiotics exert their beneficial effects on aquaculture animals. Topics covered include the role of probiotics in modulating the gut microbiota, enhancing nutrient absorption, improving stress tolerance, and reducing reliance on antibiotics and chemicals.

This Special Issue aims to provide a comprehensive overview of the current state and future prospects of probiotic use in aquaculture. The ultimate goal is to promote the development of more sustainable and eco-friendly aquaculture practices, in line with global efforts to reduce environmental impacts and improve food security.

We look forward to receiving your contributions.

You may choose our Joint Special Issue in Microbiology Research.

Prof. Dr. Chun-Hung Liu
Prof. Dr. Shao-Yang Hu
Guest Editors

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Keywords

  • probiotics
  • sustainable aquaculture
  • gut microbiota
  • immune modulation
  • disease prevention
  • water quality
  • antibiotic alternatives

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Published Papers (1 paper)

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Research

18 pages, 1469 KiB  
Article
Exploring the Potential of Candida sp. SW4-6 as a Probiotic for Enhancing Water Quality in Aquaculture
by Jie-Ying Li and Chun-Hung Liu
Microorganisms 2025, 13(1), 42; https://doi.org/10.3390/microorganisms13010042 - 29 Dec 2024
Viewed by 684
Abstract
Aquaculture, a vital industry supplying a significant portion of the world’s seafood, faces challenges such as the deterioration of the aquaculture environment. The objective of this study was to isolate and identify microorganisms with the capacity to eliminate nitrite in water from shrimp [...] Read more.
Aquaculture, a vital industry supplying a significant portion of the world’s seafood, faces challenges such as the deterioration of the aquaculture environment. The objective of this study was to isolate and identify microorganisms with the capacity to eliminate nitrite in water from shrimp ponds and evaluate their potential as probiotics to improve water quality. Additionally, the study also determines the ideal conditions for the probiotic to effectively reduce nitrite-N and ammonia-N. Water samples were collected from four shrimp ponds (SW1, SW2, SW3, SW4) and isolates were obtained. Among all the samples, SW4 was the most effective in reducing the concentration of nitrite-N. Upon further isolation of SW4, the strain SW4-W6 showed significant nitrite-N reduction capabilities compared to the 19 other isolates tested. Through morphological, genetic (ITS sequence), and phylogenetic analyses, strain SW4-6 was identified as Candida sp. The isolation of Candida sp. SW4-6 showed superior nitrite-N and ammonia-N reduction capabilities, with sucrose as the carbon source and complete reduction observed at a C/N ratio of 15–20. Gene expression analysis revealed the up-regulation of nitrite reductase in SW4-6 after inoculation, with significantly higher expression observed with sucrose as the carbon source. Salinity and temperature significantly influenced nitrite-N and ammonia-N reduction by SW4-6, with higher temperatures (30 °C) and 0% NaCl favoring faster reduction rates. Candida sp. SW4-6 emerges as a promising probiotic candidate for aquaculture water quality management due to its efficient nitrite-N and ammonia-N reduction capabilities under optimal conditions. Its virulence profile and ability to thrive across various salinity and temperature conditions further support its potential applicability in aquaculture. Full article
(This article belongs to the Special Issue Probiotic Applications in Aquaculture)
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