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Tiger Shrimp Producers Warned About IMN

by 5m Editor
4 January 2011, at 12:00am

GLOBAL - Infectious myonecrosis (IMN) is spreading in shrimp-producing regions and farmers have been warned to keep a look-out for the symptoms as it can lead to heavy losses.

IMN is a viral disease caused by infectious myonecrosis virus (IMNV). It affects Pacific white shrimp, Penaeus vannamei, tiger shrimp, P. monodon and blue shrimp, P. stylirostris, according to Network of Aquaculture Centres of Asia-Pacific (NACA). IMN is associated with heavy losses in farmed shrimp of 40 to 70 per cent.

Originally reported from Brazil, outbreaks were reported in East Java, Situbondo District in Indonesia in May 2006. In 2009, several other provinces were affected.

With the current spread of the disease, there is a high threat of the disease spreading to neighbouring P. vannamei-producing countries. Suspected outbreaks should immediately be reported to the authorities.

For more information on this disease from ENACA, click here.


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