Following reports of unusually high mortality,
mainly in piglets, in the central-western part of the country,
Mexican veterinary officials tested 2,309 samples between August
2013 and May 2014 in farms and slaughterhouses, the Mexican
agriculture ministry told the OIE.
These showed that 30 percent were positive for the deadly Porcine
Epidemic Diarrhea virus (PEDv), suggesting that there may be some
other causative agent involved in this event, the ministry said.
Mexico has 31 states plus the federal district of Mexico.
The country, which has around 16 million pigs, has banned imports of
live pigs from the United States since last June, the Mexican
ministry said. It added that Mexican authorities had found the virus
in 770 dead pigs since it was detected.
The ministry earlier said the infected pigs had been killed.
The virus has killed around 7 million young pigs since it was first
identified in the United States almost a year ago, sending pork
The Mexican states where positive PEDv cases were identified were:
Aguascalientes, Baja California, Colima, Federal District,
Guanajuato, Guerrero, Jalisco, State of Mexico, Michoacan, Morelos,
Nuevo Leon, Puebla, Queretaro, Sinaloa, Sonora, Tlaxcala and
Veracruz, the ministry said.
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Samples from the States of Yucatan and of Oaxaca were negative for
The ministry said that, to date, it had not been possible to isolate
Countries are obliged to report outbreaks of PEDv to the World
Animal Health Organization.
(Reporting by Sybille de La Hamaide; Editing by Keiron Henderson and
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