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New Lobster Disease
In New England

From Dr. Patricia Doyle, PhD
2-18-5
 
From ProMed
Date 17 Feb 2005
Source: Los Angeles Times [edited]
 
A disease that rots lobsters' shells and can kill the crustaceans affects 30 percent of lobsters along the New England coast, damaging the industry in many areas, scientists said Wednesday.
 
The disease's cause and how it spreads remain a mystery, though theories are emerging, and the scientists said they would seek state and federal money for more studies.
 
The disease does not taint the lobsters' meat but makes shells too unsightly to serve whole. It can weaken lobsters so much that some die prematurely.
 
Researchers in the region first noticed the disease in the 1980s, with shells marked by little black spots. But in recent years, the researchers said, shells have become fully enveloped by the disease and, in the worst cases, have rotted entirely.
 
Scientists said trawl and trap studies showed egg-carrying females were most susceptible to the disease. The studies also showed lobsters living in warmer waters appeared to contract the disease more readily.
 
Hans Laufer, a professor emeritus of molecular and cell biology at the University of Connecticut, said he believed lobsters might contract the disease from alkylphenols, chemicals that are byproducts from industrial sources. Laufer stressed his studies were preliminary.
 
In 1999, the lobster industry in Rhode Island generated $30 million and employed 425 fishermen, according to Mark Gibson of the state Department of Environmental Management. 4 years later, the industry produced $16.7 million and employed 279.
 
http://www.latimes.com/news
 
ProMED-mail
promed@promedmail.org
 
Undoubtedly the lobster industry has declined. There have been a number of lobster die-offs in the last decade. Many arguments as to the cause(s) may be made, including pesticides and warmer waters, the latter promoting more bacteria and viruses. However, the ultimate cause remains elusive; if the industry is to survive, clearly some research into the demise of the lobster is needed. - Mod.TG
 
Patricia A. Doyle, PhD
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Cat=&Board=emergingdiseases
Zhan le Devlesa tai sastimasa
Go with God and in Good Health



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