ARTICLE 68 FEED & ADDITIVE MAGAZINE April 2024 Aquaculture is one of the fastest-growing animal food production sectors worldwide. Outbreak of several diseases hindering the expansion and development of aquaculture. Traditionally, antibiotics have been supplemented in aquafeeds for prevention and/ or treatment of bacterial disease of aquatic animals but antibiotics have been suspended from usage in the aquaculture industry since 2004. Therefore, during farming operations, preventing pathogen propagation and enhancing aquatic animal immunity without chemotherapeutic interventions are primary concerns. SYNBIOTICS Synbiotics is a mixture of probiotics and prebiotics that beneficially affects the host by improving the survival and implantation of live microbial dietary supplements in the gastrointestinal tract, by selectively stimulating the growth and/or by activating the metabolism of one or a limited number of health-promoting bacteria, and thus improving host welfare. Although, synbiotics concepts appeared early, the first introduction of a synbiotic was reported in L. vannamei in 2009. As probiotics alone does not survive well in the GIT without its prebiotic, it has been suggested that the combination of probiotic and prebiotic as synbiotics might be more effective than either a probiotic or prebiotic alone. In synbiotics, the prebiotic compound selectively favours the growth of probiotics and their metabolite production and it can be the safest and most effective solution for combating the colonization and infection with enteric pathogens particularly bacterial pathogens. Synbiotics provide more additive benefits in growth performance, feed conversion ratio, hematological and biochemical parameters than probiotic and prebiotic individual use of these additives. Moreover, synbiotic could increase the digestibility and availability of many nutrient Synbiotics is a mixture of probiotics and prebiotics which beneficially affects the host by improving the survival and implantation of useful live microbiota in the gastrointestinal tract and improves digestion and absorption of the host. APPLICATION OF SYNBIOTICS IN SHRIMP CULTURE Thangaraju Thiruvasagam, Ph.D. Research Scholar Tamil Nadu Dr. J. Jayalalithaa Fisheries University (TNJFU) Dr. Amit Ranjan Assistant Professor Tamil Nadu Dr. J. Jayalalithaa Fisheries University (TNJFU)
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