FA (n−3) represented the
highest proportion of all FAs in the PL fractions. The essential FAs for
shrimps found in biofloc aggregates were dominated by EPA (10% of
the dry matter), DHA (1.7% of DM) and ARA (1.5% of DM). The dietary
requirements for these 3 essential FAs for Penaeus japonicus, Penaeus
monodon and Litopenaeus vannamei were found to be 0.5 to 1.1% (EPA
and DHA) and 0.5% (ARA), respectively (NRC, 2011).