it was reported
that a single vaccination (intramuscular injection) with
NNV VLPs produced in Escherichia coli (1.5mg/g) was
enough to provoke a high titer of neutralizing antibody (Liu
et al., 2006). In the present study, fish receiving one
(relatively low) dose of 0.6mg/g of RGNNV VLPs produced
high titers of neutralizing antibody (Table 1 and Fig. 2B)