Information received on 08/12/2020 from Dr Tatjana Karačić, Assistant Minister, Chief Veterinary Officer, Veterinary Services, Ministry of Agriculture, Zagreb, Croatia
Report type Immediate notification
Date of start of the event 04/12/2020
Date of confirmation of the event 08/12/2020
Report date 08/12/2020
Date submitted to OIE 08/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 30/12/2014
Manifestation of disease Clinical disease
Causal agent Bacillus anthracis
Nature of diagnosis Clinical, Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 Brotnja, Brotnja, Gracac, Zadarska
Date of start of the outbreak 04/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Cattle 35 1 1
Equidae 1 1
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Cattle 35 1 1
Equidae 1 ** 1
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Cattle 2.86% 2.86% 100.00% **
Equidae ** 100.00% ** **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments The affected herd consists of 35 cattle. One cattle per-acutely died; bacteria Bacillus anthracis was confirmed. At the same holding, one horse per-acutely died three days later; the laboratory testing is ongoing.
Control measures
Measures applied
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Movement control inside the country
  • Vaccination in response to the outbreak (s)
  • Quarantine
  • Disinfection
Diagnostic test results
Laboratory name and type Species Test Test date Result
Croatian Veterinary Institute (National laboratory) Cattle bacteriological examination 08/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations