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October 5, 2015


EHP—Microsporidian Disease


Indian shrimp farmers have been warned to keep a look out for Enterocytozoon hepatopenaei (EHP), a microsporidian disease.


The disease has affected shrimp in several coastal districts, causing heavy loss to the farmers, said the Marine Products Export Development Authority (MPEDA) Deputy Director of Aquaculture Dr. S. Kandan.


EHP, a parasite, was first characterized and named from slow growing Penaeus monodon (giant tiger shrimp) from Thailand in 2009.  It has also been identified in western white shrimp, P. vannamei.


Eleven disease surveillance teams from MPEDA have been formed to collect water and shrimp samples from all major shrimp farming areas in the state.  Officials of the Rajiv Gandhi Centre for Aquaculture (RGCA), a research wing of MPEDA in Chennai, collected samples from shrimp ponds in Prakasham, Guntur and Krishna districts in the state of Andhra Pradesh.  The samples are being analyzed for EHP at RGCA’s Central Aquaculture Pathology Laboratory in Sirkali.  The results will be sent to Fisheries Department officials with recommendations and suggestions.


There are no treatments to control EHP—only management practices can prevent it.


Source: The FishSite.  Shrimp Farmers Alerted to EHP Disease Spread.  October 5, 2015.

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