Porcine Flash - Classical Swine Fever Flashcards
severity of classical swine fever varies with what 3 factors?
age (young animals are most severe with high mortality), immune status of herd, & strain of disease
what are the main sources of infection of classical swine fever?
carrier pigs & garbage feeding
what is the morbidity & mortality of the acute form of classical swine fever?
100%
what clinical signs are seen with the acute form of classical swine fever?
cyanosis, erythema, skin hemorrhages, staggering, incoordination, high fever, anorexia, & death within 1-3 weeks
T/F: some cases of classical swine fever are asymptomatic or inapparent carriers
TRUE
what disease is classical swine fever indistinguishable from?
african swine fever
when do you suspect a case of classical swine fever?
septicemia/high fever/incoordination/diarrhea/deaths, history of garbage feeding with new or returning animals to a herd, no response to treatment, & cases on a nearby farm
what is seen on necropsy from a pig with classical swine fever?
widespread hemorrhages, necrotic foci on intestinal mucosa, larynx, & epiglottis
what is the treatment used for classical swine fever?
DO NOT TREAT - REPORTABLE DISEASE!!!!! if suspected, notify federal & state vets & quarantine farm until a definitive diagnosis is determined!!! isolate CSF suspected animals
what surveillance testing is ofetn used for classical swine fever?
rt-pcr
how is classical swine fever prevented?
never feed pigs undercooked garbage (swill) or pork products & quarantine newly purchased or returning animals for a minimum of 30 days
why is rt-pcr testing particularly useful in CSF testing?
used to differentiate CSF from BVD & border disease
how long should new additions to a herd be quarantined?
minimum of 30 days
