Biofloc Technology in Aquaculture

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Sustainable Aquaculture".

Deadline for manuscript submissions: 20 August 2024 | Viewed by 1396

Special Issue Editor


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Guest Editor
Marine Aquaculture Station, Federal University of Rio Grande—FURG, Rua do Hotel, nº 02, Rio Grande 96210-030, RS, Brazil
Interests: shrimp production in BFT systems; integrated multi-trophic aquaculture; aquaculture and its environmental impacts

Special Issue Information

Dear Colleagues,

Aquaculture production is essential to meet the increasing protein demands of the world's population in the coming decades. Technological advances are essential to increase productivity in order to guarantee food security, reduce poverty and minimize possible environmental impacts. In this sense, production in bioflocs systems allows for increased productivity, reduced water use, greater biosecurity and a lower production of effluents that are released into the environment. There are still a series of topics that must be studied to improve the production of fish and shrimp, among other organisms, with bioflocs. In this way, we invite researchers to contribute their original research, reviews, case studies and/or recent progress/scenarios on the production of aquatic organisms with bioflocs.

Dr. Luís Henrique da Silva Poersch
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Fishes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • aquaculture in BFT systems
  • improvement of immunity
  • biofloc and fertilization
  • TSS control in BFT systems
  • nutrient management in BFT systems
  • energy production from bioflocs
  • role of microorganisms in the BFT system
  • IMTA and bioflocs
  • denitrification processes

Published Papers (1 paper)

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Research

14 pages, 7253 KiB  
Article
The Effect of Artificial Substrate and Carbon Source Addition on Bacterial Diversity and Community Composition in Water in a Pond Polyculture System
by Kun Guo, Mumin Shi, Xiaoli Huang, Liang Luo, Shihui Wang, Rui Zhang, Wei Xu, Guoliang Ruan and Zhigang Zhao
Fishes 2024, 9(3), 80; https://doi.org/10.3390/fishes9030080 - 20 Feb 2024
Viewed by 1135
Abstract
The use of artificial substrates and biofloc technology can favor fish culture and improve water quality. The aim of this study was to evaluate whether artificial substrates and carbon source additions modify the microbial activity of water bodies. The diversity and structure of [...] Read more.
The use of artificial substrates and biofloc technology can favor fish culture and improve water quality. The aim of this study was to evaluate whether artificial substrates and carbon source additions modify the microbial activity of water bodies. The diversity and structure of microflora in the water after adding artificial substrates and carbon sources to the ponds were analyzed using high-throughput sequencing based on the V3-V4 region of 16S rRNA genes. The results showed that there was no difference in the richness and diversity of intestinal microflora between the control and experimental groups. Principal coordinate analysis (PCoA) and nonmetric multidimensional scaling (NMDS) showed that artificial substrate and carbon source addition changed the structure of the microflora. The results of a linear discriminant analysis (LDA) effect size (LefSe) indicated 11 biomarkers in the EGˍst group. Spearman correlation heatmap analysis showed that environmental factors affected the bacterial communities, and the results of a redundancy analysis indicated that chemical oxygen demand was a critical factor in controlling the bacterial communities in the water. These results provide an understanding of the effect of artificial substrate and carbon source addition on bacterial diversity and community composition in water. Full article
(This article belongs to the Special Issue Biofloc Technology in Aquaculture)
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