Dr Jumroensri Thawonsuwan
Dr Jumroensri Thawonsuwan Fishery Biologist, Senior Professional Level, Aquatic Animal Health Research and Development, Department of Fisheries, Thailand.

Day 2: 13 Nov 2019 - 10:25 – 11:25 AM

Updates on Shrimp Disease Threats

Based on disease surveillance data obtained by Department of Fisheries (DoF), Thailand during 2018-2019, there are five pathogens reported in marine shrimp. EHP (Enterocytozoon hepatopenaei) showed the highest percentage, followed by Vibrio parahaemolyticus-acute hepatopancreatic necrosis disease (VpAHPND), white spot syndrome virus (WSSV), infectious hypodermal and hematopoietic necrosis virus (IHHNV) and yellow head virus (YHV).

EHP is a major challenge since this pathogen affects several phases of shrimp culture: broodstock, larvae (nauplii and post larvae) and grow out stage. Therefore, the disease should be addressed from upstream, and through the production line. Farms can conduct real time PCR assay to screen 8 major pathogens including WSSV, IHHNV, VpAHPND, NHPB, YHV, TSV, IMNV and EHP in broodstock, nauplii, post larvae and live feed. Non-contaminated farms are then promoted by adding them to the ‘white list’ on the DoF’s website. Where pathogens show up positive during the grow out phase such as WSSV, VpAHPND, IHHNV, YHV, biosecurity should be strictly promoted in order to reduce the impact of those diseases.


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