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12 May 2017

#Bovine spongiform #encephalopathy [#BSE], #Spain (#OIE, May 12 ‘17)


Title: #Bovine spongiform #encephalopathy [#BSE], #Spain.

Subject: Prion diseases, BSE in cattle, Spain.

Source: OIE, full page: (LINK).

Code: [     ]

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Bovine spongiform encephalopathy [BSE], Spain

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Information received on 12/05/2017 from Dr Valentín Almansa, Director General, Sanidad de la Produccion Agraria, Ministerio de Agricultura, Alimentación y Medio Ambiente, Madrid, Spain

  • Summary
    • Report type Immediate notification (Final report)
    • Date of start of the event 27/04/2017
    • Date of confirmation of the event 05/05/2017
    • Report date 12/05/2017
    • Date submitted to OIE 12/05/2017
    • Date event resolved 10/05/2017
    • Reason for notification Recurrence of a listed disease
    • Date of previous occurrence 10/03/2017
    • Manifestation of disease Sub-clinical infection
    • Causal agent Prion (Atypical BSE type L)
    • Nature of diagnosis Laboratory (advanced)
    • This event pertains to a defined zone within the country
  • New outbreaks
    • Summary of outbreaks
      • Total outbreaks: 1
        • Outbreak Location  - CANTABRIA ( Camargo, CANTABRIA )
      • Total animals affected:  Species -  Susceptible -  Cases -  Deaths -  Killed and disposed of – Slaughtered
        • Cattle  -  51  -  1  -  0  -  1  -  0
      • Outbreak statistics:  Species -  Apparent morbidity rate -  Apparent mortality rate -  Apparent case fatality rate -  Proportion susceptible animals lost*
        • Cattle -   1.96% -  0.00% -  0.00% -  1.96%
          • * Removed from the susceptible population through death, destruction and/or slaughter;
  • Epidemiology
    • Source of the outbreak(s) or origin of infection
      • Unknown or inconclusive
  • Epidemiological comments
    • On April 28th, 2017, the Central Veterinary Laboratory at Algete (National Reference Laboratory for transmissible spongiform encephalopathies accredited under UNE-EN ISO/IEC 17025:2005) received a brainstem sample suspected to be BSE-positive from the regional accredited animal health laboratory of Cantabria (official regional laboratory) after a positive result was obtained through the Bio-Rad TeSeE SAP rapid test.
    • The National Reference Laboratory undertook the confirmatory tests authorized according to Regulation (EU) No. 1148/2014. The selected assays associated were Western blot (Prionics) and ELISA (TeSeE SAP Bio-Rad). Following positive results to both assays, the National Reference Laboratory performed assays to discriminate the BSE strains by immunoblotting with results for atypical BSE type L on May 5th, 2017.
    • The sample was taken within the national TSE surveillance program (sampling of de ad or non-slaughtered animals for human consumption over 48 months old). The animal was a crossbred (conjunto mestizo) female born on 25 February 2002.
  • Control measures
    • Measures applied
      • Movement control inside the country
      • Traceability
      • Official disposal of carcasses, by-products and waste
      • Selective killing and disposal
      • Disinfection
      • Vaccination prohibited
      • No treatment of affected animals
    • Measures to be applied
      • Official destruction of animal products
  • Diagnostic test results
    • Laboratory name and type -  Central Veterinary Laboratory, Algete ( National laboratory )
      • Tests and results:  Species -  Test -  Test date -  Result
        • Cattle -  electroimmunotransfer blot assay (EITB) -  05/05/2017 -  Positive
        • Cattle -  western blot -  05/05/2017 -  Positive
  • Future Reporting
    • The event is resolved. No more reports will be submitted.

(...)

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Keywords: OIE; Updates; BSE; Cattle; Spain.

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