2294 part 1 final report.pdf - Agra CEAS Consulting

Prevention and control of animal diseases worldwide
Part I: Economic analysis: prevention versus outbreak costs
Disease Host Virulence Prevention and Control Occurrence of the disease in World (from
01/01/05 to 10/02/07)
camels, and dogs
(after eating infected
blood or horsemeat).
vaccine. After virus identification, animals that received
polyvalent vaccine should be revaccinated with the
homologous vaccine
African
swine fever
All breeds and types
of domestic pigs and
European wild boars.
Mortality rates vary
from 0 to 100%,
depending on the
virulence of the virus
with which pigs are
infected.
• No treatment
• No vaccine
In free country:
• Careful import policy for animals and animal products
• Proper disposal of waste food from aircraft or ships coming
from infected countries
• Efficient sterilisation of garbage
In outbreaks
• Rapid slaughtering of all pigs and proper disposal of
cadavers and litter is essential
• Thorough cleaning and disinfection
• Designation of infected zone, with control of pig
movements
• Detailed epidemiological investigation, with tracing of
possible sources (up-stream) and possible spread (downstream)
of infection
• Surveillance of infected zone, and surrounding area
It is endemic in many African countries and
in Italy is restricted to Sardinia.
Classical
swine fever
Pigs and wild boars
Virulence varies from
severe, with high
mortality, to mild or
even subclinical.
Fatal to young, cronich
for adults.
Infected countries
• Avoid contact between pigs and soft tick vectors (Africa)
• No treatment
• Strict import policy for live pigs, and fresh and cured pig
meat
• Quarantine of pigs before admission into herd
• Efficient sterilisation (or prohibition) of waste food fed to
pigs
• Serological surveillance targeted to breeding sows and
boars
• Prophylactic vaccination where classical swine fever is
enzootic
CFS occurs in Latin and Central America, in
parts of Europe, Asia and Africa
(Madagascar)
Response to outbreaks
• slaughter of all pigs on affected premises
• Proper disposal of carcases
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