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Veterinary Sciences
Special Issues
Epidemiology, Biosecurity and Aquatic Animals Health
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Epidemiology, Biosecurity and Aquatic Animals Health

A special issue of Veterinary Sciences (ISSN 2306-7381). This special issue belongs to the section "Veterinary Microbiology, Parasitology and Immunology".

Deadline for manuscript submissions: closed (15 September 2024) | Viewed by 2620

Special Issue Editors

Dr. Xuan Dong

E-Mail Website
Guest Editor
Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
Interests: molecular epidemiology and biosecurity of crustaceans
Dr. Beibei Jia

E-Mail Website
Guest Editor
Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada
Interests: aquatic epidemiology

Special Issue Information

Dear Colleagues,

Aquaculture plays a crucial role in global food security and ecological balance. However, diseases caused by infectious and non-infectious agents in farmed aquatic species can be a bottleneck for the sustainability of aquaculture. Biosecurity, vaccination, and other evidence-based interventions are excellent examples of good aquaculture practices. Population-level studies of aquatic animal health are critical to promote the knowledge and technology related to the prevention and control of aquatic animal diseases.

The aim of this Special Issue is to explore aquatic animal health through a series of research works focused on, but not limited to, etiology, molecular epidemiology, diagnosis, pathogenic mechanism, immunology, host interaction, and biosecurity, with the goal of achieving a useful supplement related to existing literature.

Dr. Xuan Dong
Dr. Beibei Jia
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. Veterinary Sciences 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 2100 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

  • etiology
  • epidemiology
  • immunology
  • biosecurity
  • aquatic animals health

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Published Papers (2 papers)

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Research

24 pages, 9408 KiB  
Article
Combined Dietary Spirulina platensis and Citrus limon Essential Oil Enhances the Growth, Immunity, Antioxidant Capacity and Intestinal Health of Nile Tilapia
by Safaa E. Abdo, Abeer F. El-Nahas, Rabab E. Abdellatif, Radi Mohamed, Mohamed A. Helal, Mahmoud M. Azzam, Alessandro Di Cerbo and Seham El-Kassas
Vet. Sci. 2024, 11(10), 474; https://doi.org/10.3390/vetsci11100474 - 4 Oct 2024
Viewed by 496
Abstract
The dietary presence of feed additives is crucial for boosting fish growth and immunity. Accordingly, this feeding trial aimed to investigate the effects of the separate and concurrent dietary supplementation of Spirulina platensis (SP) and bitter lemon (Citrus limon) peel essential [...] Read more.
The dietary presence of feed additives is crucial for boosting fish growth and immunity. Accordingly, this feeding trial aimed to investigate the effects of the separate and concurrent dietary supplementation of Spirulina platensis (SP) and bitter lemon (Citrus limon) peel essential oil (LEO) on the growth, immunity, antioxidant capacity, and intestinal health of Nile tilapia (Oreochromis niloticus). Four groups of male Nile tilapia were employed. The first group (control) was given the basal diet, while the second and third groups received the basal diet supplemented with LEO extract (1%) and SP (1 g/kg diet), respectively. The fourth group received the basal diet supplemented with a mix of LEO (1%) and SP at 1 g/kg. After two months of feeding, using LEO or/and SP improved the overall growth and immunological parameters, with their combination yielding the best outcomes. The supplementation of LEO or/and SP improved the Nile tilapia’s growth metrics and transcriptomic levels of growth-regulating genes such as (oligo-peptide transporter 1 (Pep1), growth hormone receptors 1 (GHR1), and insulin-like growth factor (IGF1). The improved growth performance was linked to significant increases in the expression levels of mucin and fat metabolism-related genes. Moreover, fish supplemented with LEO, SP, or their combination showed enhanced non-specific immunological measures, including phagocytic and lysozyme activities and the mRNA copies of its regulating genes. Additionally, remarkable increases in the antioxidant enzyme activities and the mRNA levels of their related genes were detected. The complement (C3) gene’s transcriptomic level was also significantly increased. Furthermore, the dietary supplementation of LEO, SP, or their combination improved the histological structures of the spleen, hepatopancreas, and intestine. The enhanced effects of LEO, SP, or their combination on fish immunity and growth are suggested to be due to their contents of bioactive compounds with anti-inflammatory, antioxidant, and antimicrobial properties. Thus, using the LOE and SP blends as feed additives is recommended for better growth and immunity of Nile tilapia. Full article
(This article belongs to the Special Issue Epidemiology, Biosecurity and Aquatic Animals Health)
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13 pages, 2876 KiB  
Article
Meta-Transcriptomic Analysis Reveals Novel RNA Viruses in Polychaetes Perinereis
by Jingfei Luo, Fan Zhang, Chengyan Zhou, Fanzeng Meng, Guohao Wang, Liang Qiu, Weifeng Shi, Jie Huang and Xuan Dong
Vet. Sci. 2024, 11(6), 273; https://doi.org/10.3390/vetsci11060273 - 15 Jun 2024
Cited by 1 | Viewed by 1219
Abstract
Perinereis species are essential benthonic animals in coastal ecosystems and have significant roles as live feed in aquaculture, owing to their high-protein and low-fat nutritional profile. Despite their ecological importance, the viral communities associated with these organisms need to be better understood. In [...] Read more.
Perinereis species are essential benthonic animals in coastal ecosystems and have significant roles as live feed in aquaculture, owing to their high-protein and low-fat nutritional profile. Despite their ecological importance, the viral communities associated with these organisms need to be better understood. In this study, we generated 2.6 × 108 reads using meta-transcriptomic sequencing and de novo assembled 5.3 × 103 virus-associated contigs. We identified 12 novel RNA viruses from two species, Perinereis aibuhitensis and P. wilsoni, which were classified into four major viral groups: Picobirnaviridae, Marnaviridae, unclassified Picornavirales, and unclassified Bunyavirales. Our findings revealed the hidden diversity of viruses and genome structures in Perinereis, enriching the RNA virosphere and expanding the host range of Picobirnaviridae, Marnaviridae, and Bunyavirales. This study also highlighted the potential biosecurity risk of the novel viruses carried by Perinereis to aquaculture. Full article
(This article belongs to the Special Issue Epidemiology, Biosecurity and Aquatic Animals Health)
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