Nutrition and Immune Responses in Aquatic Animals

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Nutrition and Feeding".

Deadline for manuscript submissions: 20 April 2025 | Viewed by 554

Special Issue Editors


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Guest Editor
Institute of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
Interests: crustacean; fish; feeds; aquaculture nutrition; functional feed additives; immunity; disease resistance; environmental stress
Special Issues, Collections and Topics in MDPI journals
Institute of Modern Aquaculture Science and Engineering (IMASE), School of Life Sciences, South China Normal University, Guangzhou 510631, China
Interests: crustacean; fish; molecular sensors for environmental stress detection; nutrition and environment; aquatic metabolism; resistant approach; environment-sensing pathway

Special Issue Information

Dear Colleagues,

Nutrition is one of the most important factors affecting the immunity and disease resistance of aquatic animals. Nutritional balance is the basic element for aquatic animals to obtain superior immunity. On the other hand, feed additives such as polysaccharides, antioxidants, probiotics, prebiotics and Chinese herbs, found to promote the immune response and stress resistance, are used as immunostimulants for aquatic animals. These studies will promote the green and sustainable development of aquaculture. Therefore, we are pleased to invite you to contribute to the Special Issue “Nutrition and Immune Responses in Aquatic Animals” of the journal Fishes.

Dr. Jianan Xian
Dr. Lei Wang
Guest Editors

Manuscript Submission Information

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Keywords

  • feed additive
  • nutrition
  • metabolism
  • immunity
  • disease resistance
  • oxidative stress
  • environment sensing pathway
  • environmental stress

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Published Papers (1 paper)

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Research

17 pages, 1742 KiB  
Article
Dietary Probiotic Rhodopseudomonas palustris Formulation Improves Growth Performance, Muscle Composition, Digestive Enzyme Activity, Non-Specific Immunity and Disease Resistance of Juvenile Ivory Shell (Babylonia areolata)
by Xiao Wang, Yao-Peng Lu, Ze-Long Zhang, Pei-Hua Zheng, Jun-Tao Li, Xiu-Xia Zhang, Jia-Jun Li, Heng-Mei Wu and Jian-An Xian
Fishes 2024, 9(12), 522; https://doi.org/10.3390/fishes9120522 - 20 Dec 2024
Viewed by 288
Abstract
Rhodopseudomonas palustris (RP) are known anaerobic bacteria with probiotic properties containing several bioactive compounds and enzymes that benefit aquatic animals. However, studies on the use of RP on aquatic animal species are limited. This study investigated the effects of dietary supplementation with RP [...] Read more.
Rhodopseudomonas palustris (RP) are known anaerobic bacteria with probiotic properties containing several bioactive compounds and enzymes that benefit aquatic animals. However, studies on the use of RP on aquatic animal species are limited. This study investigated the effects of dietary supplementation with RP formulation on the growth, non-specific immunity, and disease resistance of juvenile ivory shells (Babylonia areolata). The experiment was conducted for 8 weeks, with B. areolata fed a control diet (RP0) and four diets containing four different RP formulations, with doses of 1 (RP1), 5 (RP2), 10 (RP3), and 20 (RP4) g/kg, respectively. Higher levels of R. palustris in the formulation led to increased final weight, weight gain, and specific growth rate in B. areolata. The crude protein content was significantly higher in the RP4 group compared to the RP0 group. However, there was no significant difference in the crude lipid content. Higher levels of R. palustris in the RP4 formulation group increased the trypsin and lipase activities. Dietary supplementation with RP significantly increased the total antioxidant capacity, superoxide dismutase, and catalase activities and decreased the malondialdehyde content in B. areolata. Acid phosphatase and alkaline phosphatase activities were significantly increased in the RP4 group compared to the RP0 group. Dietary RP significantly increased the expression levels of antioxidant-related (superoxide dismutase, Cu/Zn-superoxide dismutase, glutathione S-transferase A-like, ferritin) and immune-related (acid phosphatase, cytochrome c) genes. Higher levels of R. palustris in the formulations RP3 and RP4 increased the survival rate of B. areolata challenged with Vibrio parahaemolyticus. These findings indicate that R. palustris preparation could improve growth performance, muscle composition, and digestive capacity and may act as an immune booster for preventing disease in B. areolata. Full article
(This article belongs to the Special Issue Nutrition and Immune Responses in Aquatic Animals)
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