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Foreign animal
infectious disease
Question | Answer |
---|---|
Foot and mouth disease epidemiology | Pigs: amplifiers Cattle: indicators sheep: silent spreaders |
FMD transmission | aerosol, fomite, animal movement. Prodromal virus excretion |
FMD transmission: controllable factors | contact with foodstuff, things contaminate by animals. saliva, milk, feces, people who have visited infected area, vehicle tires |
FMD transmission: non controllable factors | wind |
sequence of events of "stamping out" FMD | 1.Notification 2.Qarantine 3.Diagnosis 4.movement control |
FMD vaccine | inactivated vaccine. vaccinated animals still susceptible to infection. vaccinated animals still carry infection |
African Swine fever tranmission | Soft ticks and meat. pig to pig. |
African Swine fever clinical signs | hemorrhagic disease with high mortality. high fever. enlarged spleen |
African horse sickness transmission | culicoides (midges), other small insects. zebra reservoir host |
African horse sickness clinical signs | edema prominent. supraorbital edema, lung exudate leads to asphyxiation |