Effect of fermented water hyacinth leaf meal on plankton productivity and gut content analysis of common carp (Cyprinus carpio)

The effect of fermented water hyacinth (FWH) leaf meal on plankton productivity and gut content analysis of common carp (Cyprinus carpio) was studies. FWH was incorporated into test diet, as an energy source, at different levels (@ 0 (T1), 40 (T2), 80(T3), 120 (T4) and 160 (T5) g/kg test diet, as a replacement for equal amount of rice bran. Fish were fed 3-5% of body weight for 120 days.