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February 12, 2014


Dr. Timothy Flegel on AHPHN/EMS


Professor T.W. Flegel of Mahidol University in Thailand has developed a PCR method for detecting the bacteria that causes acute hepatopancreatic necrosis disease (AHPND/EMS) in shrimp.  In a recent magazine article Professor Flegel said: “Outbreaks [of AHPND in Mexico] probably occurred because of illegal imports of Asian broodstock or postlarvae for use in aquaculture.”


Flege also said: “I believe that the key issue for successful shrimp culture is still the use of SPF stocks in biosecure settings and that the best biosecurity can be provided in completely closed culture systems.  Farmers who are doing this do not have problems.  The change to closed systems would require capital investments that perhaps may need to be facilitated by government support, but the cost would be quickly recovered by higher, more stable production.  In the long term, I believe that the occurrence of AHPND and the control measures to limit its impact will lead to fundamentally change the future of shrimp culture to more closed systems.”


Source: AQUA Culture AsiaPacific (Editor/Publisher, Zuridah Merican, email  2013 Update on EMS/AHPND and Other Disease Threats.    Volume 10, Number 1, Page 4, January/February 2014.

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