Role of Biofloc on Immuno Modulatory Responses of Cultured Aquatic Organisms

Authors: Babitha Rani AM

DOI: 10.23880/ijoac-16000229

Volume 6, Issue 4

Abstract

Intensification in aquaculture is the need of the hour to meet demand of protein by the population which is increasing at an exponential rate. This intensification will lead to a threat to biosecurity and environment and antibiotics and chemotherapeutants will lead to resistant microbes or super bugs. At this point, biofloc can be a novel strategy for disease management from the perspective of antibiotic, probiotic and prebiotic application. Biofloc Technology (BFT) is a zerowater exchange technique which recycle the waste in the culture water by application of external carbon source [1]. In this method, the heterotrophic bacterial growth is promoted along with other microbes in the culture water [2]. Ammonia and its metabolites accumulate in the culture system from feed and fecal waste is assimilated by these heterotrophs and form biofloc which is nothing but microbial protein [3,4]. The microbes are capable of flocculating in the culture water and they utilize the organic substrate which include both carbon and nitrogen and they multiply in huge number in the system

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