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Prevalence of White Spot Syndrome Virus in Brood stock, Nauplii and Post-larvae of Tiger shrimp (Penaeus monodon Fabricius, 1798) in Bangladesh

Debnath, P.P. ; Karim, E. ; Haque, M.A. ; Uddin, M.S. ; Karim, M.
Journal of Advanced Scientific Research 3(3): 58-63 2012
 
Bangladesh enters into international shrimp market in early 1970s but now it takes second places in the source of foreign currency earning. Now this sector facing a serious problem with a disease named White Spot Syndrome Virus which causes 100% mortality in the shrimp farm within two weeks. In Bangladesh, outbreak of White Spot Syndrome Virus has been a serious problem since 1995. In the present study, it was observed the present situation of White Spot Syndrome Virus prevalence in wild tiger shrimp brood, nauplii and post-larvae in Bangladesh. The result shows that prevalence of White Spot Syndrome Virus in wild tiger shrimp brood was in decreasing trend, but post-larvae during the study period. White Spot Syndrome Virus prevalence in tiger shrimp brood, nauplii and post larvae was found highest in the month of March and April and after that it was decreasing up to July and again increases in the month of August.