TAURA SYNDROME IN THE UNITED STATES OF AMERICA
( Date of previous outbreak of Taura syndrome in the United States of America reported to the OIE: 2000).
Information received on 10 June 2004 from Dr Peter Fernandez, Associate Administrator, Animal and Plant Health Inspection Service, United States Department of Agriculture (USDA), Washington, DC:
Date of the report: 10 June 2004.
Nature of diagnosis: clinical and laboratory.
Date of initial detection of animal health incident: 30 May 2004.
Estimated date of primary infection: 25 May 2004.
Outbreaks: Location: State of Texas, Cameron County (in the central southern part of the country). No. of outbreaks: 1 farm
Description of affected population: Penaeus ( Litopenaeus ) vannamei (Pacific white shrimp).
Total number of animals in the outbreak: species: cru; susceptible: > 2,000,000; cases: 3 ponds; deaths: 90%; destroyed: 0; slaughtered: 0
Diagnosis: farm managers noticed increased bird predation at two ponds and found shrimp in the ponds to be weak and dying. Water quality was tested prior to submitting samples for diagnostic testing.
A. Laboratory where diagnosis was made: Texas Veterinary Medical Diagnostic Laboratories (TVMDL), College Station, Texas. Samples are being submitted to the OIE Reference Laboratory at the University of Arizona.
B. Diagnostic tests used:
- in situ hybridisation;
- polymerase chain reaction (PCR).
Source of agent / origin of infection: unknown.
Control measures: facility is under quarantine and harvest for human consumption will be allowed.