Research in fish gut microbiota dates to the early half of the 20th
century, but interest in this area
has grown exponentially with the expansion of the aquaculture industry and the advent of
Next-generation sequencing (NGS).
Proteobacteria, Bacteroidetes Actinobacteria and Firmicutes are the most abundant bacteria phyla
of fish gut microbiota, but a high variability exists among species and even individuals. Diet and
developmental stage are widely known modulating factors changing the composition and function
of gut microbiota. However, the impact of genetics remains poorly studied, and one of the aims of
AQUAIMPACT EU project is to determine how the interaction of breeding programs
determine fish performance and diet utilization through changes in gut microbiota composition
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