Friday, March 15, 2013

15/03/13: Disease and aquaculture; ethoxyquin regulation and shrimp exports; herring and HIV

A study into the global pattern of disease outbreaks in aquaculture claims that disease is a threat to developing aquaculture operations. 
The study, conducted by Tommy Leung, a lecturer in parasitology and evolutionary biology at the University of New England, Australia, concluded that fish and shellfish disease will increasingly present a major problem for aquaculture in tropical countries, many of which rely on this form of food production for dietary protein, according to the study, which calls for better disease-response strategies and infrastructure in developing countries.
The results are published in February's issue of the Journal of Applied Ecology.

Japan's tight controls over ethoxyquin regulation are levels are starting to affect shrimp exports, says FoodNavigator-Asia. Last year, new Japanese regulations governing 'acceptable' levels of the antioxidant ethoxyquin in fishmeal was destined to become a grave issue for shrimp exporters. Exactly six months later, the effects of this policy have resulted in a sharp fall in seed stocking at shrimp farms in countries like India and Vietnam.

Rest material from herring is being tested with at Nofima, Norway. Tony Christopeit's PhD thesis studied how small ligands from herring have been applied in the trial with HIV enzymes. Christopeit has observed that these ligands have influenced the HIV enzymes.
chemical structure of ethoxyquin
chemical structure of ethoxyquin (Photo credit: Wikipedia)


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