Crustaceans

Speaking at the 9th Asia Regional Advisory Group (AG) on Aquatic Animal Health, Professor Timothy Flegel (Centex Shrimp and BIOTEC, Thailand) presented updates on current crustaceans diseases in the Asia Pacific.

Infectious myonecrosis (IMN) is a viral disease caused by infectious myonecrosis virus (IMNV), a putative totivirus. IMNV particles are icosahedral in shape and 40nm (nano metres) in diameter, reports the Network of Aquaculture Centres in Asia (NACA).

With increasing feed prices, researchers are looking at alternative diets for shrimp, says Dr D. Allen Davis from the University of Auburn, Australia.

The general economic recovery led to brisk shrimp trading in the first half of 2010. Generally demand exceeded supply, and prices moved up sharply. Shrimp importers and traders in the main markets were unable to build up inventories, as the product moved quick…