Boosting Disease Resistance with Organic Acids in Aquatic Diets

By : Manisha A. , Jothika B. , Cheryl Antony

Page No: 12-18

Abstract :
The development of antibiotic-resistant bacterial strains and rising regulatory constraints on the use of antibiotics have propelled the search for alternative approaches in the management of diseases in aquaculture. Organic acids have received significant interest due to their strong antimicrobial activity and their possible use as feed additives in aquafeed production. These substances, such as short-chain fatty acids and their salts, kill bacteria by lowering pH levels and destroying microbial cell membranes, thus preventing the development of broad-spectrum pathogenic bacteria like Vibrio spp., Aeromonas spp., and Pseudomonas spp. Addition of organic acids in aqua diets not only helps control pathogens but also improves gut health, nutrient uptake, and immunity in aquatic animals. Their capacity to inhibit pathogenic microbial populations without contributing to resistance to antibiotics points to their potential as sustainable, efficient agents for enhancing health and productivity in aquaculture. This article places emphasis on the importance of organic acids as natural antimicrobial agents and their increasing relevance in the formulation of antibiotic-free aquafeeds.

Authors :
Manisha A. and Jothika B. : Ph.D Scholar, Department of Aquaculture, Dr. MGR Fisheries College and Research Institute, Ponneri, Tamil Nadu, India.
Cheryl Antony : Directorate of Sustainable Aquaculture, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Nagapattinam, Tamil Nadu, India.
 

DOI: http://doi.org/10.32381/JAT.2025.40.1-4.3