Table 2
Prevalence of WSSV in farmed shrimp and other crustaceans from aquaculture
ponds by nested PCR.
Common name Scientific name One step PCR Two step PCR
Tiger prawn Penaeus monodon 54/112(48) 88/112(79)
White prawn P. indicus 29/84(35) 46/84(55)
Brown shrimp Metapenaeus dobsoni 8/22(36) 15/22(68)
Speckled shrimp M. monoceros 13/31(42) 22/31(71)
Mud crab Scylla serrata 2/15(13) 5/15(33)
Mud crab S. tranquebarica 3/18(17) 7/18(39)
Total 118/308(38) 207/308(67)
Figures indicate the number of animals positive for WSSV to number of animals
tested.
Figures in parenthesis indicate the percentage of animals tested positive for the
virus.