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June 14, 2013


Disease Cuts Production by 70% in Parts of Sinaloa


In the northwest state of Sinaloa, the Aquaculture Health Board in the city of Guasave reports shrimp losses in excess of $118 million after mass mortalities on shrimp farms during the first crop of the year.


Sergio Miguel Contreras, president of the Health Board, said that in one area with 3,000 hectares of ponds, more than 70 percent of them had problems, adding that mortalities were also above 70 percent, some of them shortly after stocking, others later in the cycle.  He said that many farmers have stocked for the second crop, which usually faces fewer problems.


Rafael Quiroz Lugo, director of aquaculture, said that another township with 6,000 hectares of shrimp ponds had problems in 4,000 to 5,000 hectares.  Estimated loses there ranged from $13 to $15 million.


Authorities do not know what caused the mortalities.


Rafael Quiroz Lugo said farmers speak of bacterial and algal toxins that arrive with the water they pump into their ponds.


He added that Dr. Fernando Jimenez, a shrimp disease specialist, had been brought in to study the problem, and he said it would take four to six months to determine what’s killing the shrimp.


Donald Lightner, a shrimp pathologist at the University of Arizona in the United States, has received samples.


Source: (an online, subscription-based, fisheries news service).  Editor and Publisher, John Sackton (phone 1-781-861-1441, email  Significant Shrimp Disease Outbreak Cuts Production 70%, or More, in Parts of Sinaloa.  July 14, 2013.


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