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10 Mar 2017

#Bovine spongiform #encephalopathy [#BSE], #Spain (OIE, March 10 ‘17)

 

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

Subject: Prions diseases, bovine; Spain.

Source: OIE, full page: (LINK).

Code: [     ]

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Bovine spongiform encephalopathy, Spain

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Information received on 10/03/2017 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 22/02/2017
    • Date of confirmation of the event 01/03/2017
    • Report date 10/03/2017
    • Date submitted to OIE 10/03/2017
    • Date event resolved 10/03/2017
    • Reason for notification Reoccurrence of a listed disease
    • Date of previous occurrence 03/03/2016
    • Manifestation of disease Sub-clinical infection
    • Causal agent Prion (Atypical BSE type L)
    • Nature of diagnosis Laboratory (advanced)
    • This event pertains to the whole country
  • New outbreaks
    • Summary of outbreaks
      • Total outbreaks: 1
        • Outbreak Location  - CASTILLA Y LEON ( Horcajo Medianero, Salamanca )
      • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Cattle  - 134  - 1  - 0  - 1  - 0
      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Cattle - 0.75% - 0.00% - 0.00% - 0.75%
          • * 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 23 February 2017, the Central Veterinary Laboratory at Algete (National Reference Laboratory for transmissible spongiform encephalopathies accredited under UNE-EN ISO/IEC 17025:2005 for all TSE diagnostic tests) received a bovine brainstem sample from the regional accredited animal health laboratory of Castilla y León (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 tests associated were Idex HerdChek BSE/Scrapie Antigen Test Kit and Western blot (Prionics).
    • Following confirmation of BSE, the National Reference Laboratory went on with tests to discriminate the BSE strains by immunoblotting with results for atypical BSE type L on 1 March 2017.
    • The sample was taken within the national TSE surveillance program (sampling of dead or non-slaughtered animals for human consumption over 48 months old).
    • The animal was a crossbred female born on 12 January 2003.
  • Control measures
    • Measures applied
      • Movement control inside the country
      • Disinfection / Disinfestation
      • Traceability
      • Official disposal of carcasses, by-products and waste
      • Modified stamping out
      • 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) - 01/03/2017 – Positive
        • Cattle - western blot - 27/02/2017 – Positive
  • Future Reporting
    • The event is resolved. No more reports will be submitted.

 

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Keywords: OIE; Updates; TSE; Prions; Cattle; Spain.

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