Importance and function of microbial communities in aquaculture systems with no water exchange

The goal of this review  is to analyze the importance of microbial communities in systems with zero or no water exchange or also called Bioflc, this because in recent decades has developed a strong interest in its use for the cultivation of various aquatic species such as shrimp and tilapia primarily though the function that these bacterial groups discharge in the system is unknown, making it relevant analysis mainly because the microorganisms are the foundation for the transfer of matter energy and enabling the production of small organisms such as ciliates, rotifers and protozoa, nematodes and others that can serve as natural food in situ for cultivated species, and positive impact on water quality due to microbial transformation of all performing waste generated in these systems where water exchange is limited. The knowledge of the behavior of microbial communities in the Biofloc systems will allow better management and therefore greater benefits obtained so far.