Breadcrumb Home Publications Signboards as an aquaculture extension tool in Bangladesh Regions Southern Asia Asia World From WorldFish Publication year 2002 Publication authors Morrice, C Karim, R Publication Type Scientific Publication Full Citation Morrice, C.; Karim, R. (2002). Signboards as an aquaculture extension tool in Bangladesh. NAGA 25(2): 32-34 Open original Abstract The immunological response to handling stress of four tilapia species is evaluated. Polymorphism is examined in genes known to influence immune response in fish