Total shrimp production for both systems
combined was 33.4 kg, with an FCR of 2.02. Of the total N input of
4.32 kg, it is estimated that 0.935 kg Nwas recovered in shrimpbiomass
(Castillo-Soriano et al., 2013). The rest was pollution, much of which
was probably available for algal uptake (Neori et al., 2004).