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Pathogens
Special Issues
Advances in Infectious Diseases of Aquaculture Animals
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Advances in Infectious Diseases of Aquaculture Animals

A special issue of Pathogens (ISSN 2076-0817).

Deadline for manuscript submissions: 30 June 2026 | Viewed by 556

Special Issue Editors

Dr. Jianfei Lu

E-Mail Website
Guest Editor
State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, School of Marine Sciences, Ningbo University, Ningbo 315211, China
Interests: fish; shrimp; virus; virus-host interaction; bacteria; vaccine
Dr. Liang Qiu

E-Mail Website
Guest Editor
Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
Interests: viral pathogens; crustacean diseases; molecular epidemiology; diagnosis and control; Iridoviridae

Special Issue Information

Dear Colleagues,

Aquaculture provides a substantial supply of high-quality aquatic food for human consumption. Over the past few decades, global aquaculture production has grown significantly through the optimization of species and advances in aquaculture technology. However, despite ongoing progress, intensive aquaculture remains severely threatened by infectious diseases, which continue to cause major economic losses in both production and employment.

Although considerable efforts have been made, outbreaks of infectious diseases persist, posing a key constraint to the sustainable development of the industry. This Special Issue aims to explore a wide range of topics related to infectious diseases in aquaculture, covering various species including fish, mollusks, shrimp, and prawns. Topics of interest include, but are not limited to, the following:

  1. Novel pathogens of aquaculture animal diseases;
  2. Interaction between aquaculture pathogens and their hosts;
  3. New techniques for detecting aquaculture pathogens;
  4. Antibiotic alternatives for pathogen control;
  5. Application of emerging technologies and methods in aquatic animal disease research, prevention, and control. 

We welcome original research articles, reviews, and short communications that provide new insights into the prevention, diagnosis, and management of infectious diseases in aquaculture. We look forward to your valuable contributions to this Special Issue.

Dr. Jianfei Lu
Dr. Liang Qiu
Guest Editors

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. Pathogens 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 2200 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
  • infectious diseases
  • diagnosis
  • disease prevention
  • treatment

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

16 pages, 1038 KB  
Article
Dietary Ferrous Sulfate Enhances Resistance to Vibrio splendidus-Induced Skin Ulceration in Apostichopus japonicus via Immune and Antioxidant Modulation
by Ye Tian, Kaihao Zhao, Xiaonan Li, Lina Cao, Lingshu Han, Chong Zhao and Jun Ding
Pathogens 2025, 14(9), 952; https://doi.org/10.3390/pathogens14090952 - 22 Sep 2025
Viewed by 362
Abstract
The sea cucumber (Apostichopus japonicus) is a commercially important marine species. However, its survival is increasingly threatened by frequent outbreaks of Skin Ulceration Syndrome caused by Vibrio splendidus. This study evaluated the effects of dietary supplementation with ferrous sulfate (FeSO [...] Read more.
The sea cucumber (Apostichopus japonicus) is a commercially important marine species. However, its survival is increasingly threatened by frequent outbreaks of Skin Ulceration Syndrome caused by Vibrio splendidus. This study evaluated the effects of dietary supplementation with ferrous sulfate (FeSO4) at two concentrations (0.5% and 1%) over short-term (21 days) and long-term (56 days) feeding periods on immune defense, antioxidant capacity, and resistance to V. splendidus infection. Key parameters measured included survival rate, cellular immune activity, antioxidant enzyme levels, and expression of immune-related genes. Long-term (56 days) supplementation with 1% FeSO4 significantly improved survival after infection (90 ± 4.7%). Phagocytic activity and respiratory burst were enhanced by approximately ~1.9-fold and ~1.8-fold, respectively (p < 0.05). The expression of sod, ferritin, and hsp70 genes was upregulated by ~2.1-fold, ~2.0-fold, and ~1.6-fold, respectively (p < 0.05). These results indicate strengthened cellular immunity and antioxidant capacity. Long-term (56 days) supplementation with 0.5% FeSO4 increased lysozyme activity (~1.3-fold) and c3 expression (~4-fold) (p < 0.05), thereby enhancing humoral immunity. In contrast, short-term (21 days) supplementation increased ACP and AKP activities by approximately ~2-fold each, and LZM activity by ~1.2-fold (p < 0.05). However, it did not significantly improve survival, indicating limited protective effects. Overall, 56-day dietary supplementation with FeSO4, particularly at 1%, effectively enhances immune and antioxidant responses in A. japonicus. This supplementation represents a promising strategy for preventing V. splendidus-induced skin ulceration in aquaculture. Full article
(This article belongs to the Special Issue Advances in Infectious Diseases of Aquaculture Animals)
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