Porcine Flash - Trichinellosis Flashcards
trichinella spiralis has a predilection for what sites in the body?
tongue, diaphragm, eye, masticatory & intercostal muscles
what causes trichinellosis in pigs?
trichinella spiralis nematode that forms cysts in muscles
what clinical signs are seen in pigs with trichinellosis?
no clinical signs!!!!
what clinical signs are seen in humans with trichinellosis?
high fever, myalgia, periorbital & facial edema, dizziness, hives, paresis, & occasionally death
what is seen on histopath that is suggestive of trichinellosis?
microscopic exam for larvae - tongue & diaphragm
what is the history of a pig with trichinellosis?
eating rodents/wildlife/infected raw meat, cannibalism, & tail biting
how is trichinellosis diagnosed at slaughter?
inspect meat for viable trichinae, trichinoscopic & digestion tests
how is ELISA used to diagnose trichinellosis?
detects anti-trichinella antibodies
what treatment is used for pigs with trichinellosis?
impractical to treat
how are humans treated for trichinellosis?
mebendazole/albendazole for intestinal infections, but no specific treatment for trichinosis once the larvae have invaded the muscles - cysts remain viable for up to 30 years
how is trichinellosis prevented in pigs?
good management!!!!
what screening is done at slaughter for trichinellosis?
inspect meat closely for viable trichinae
T/F: in north america, it is assumed that all pork are infected with trichinellosis
TRUE
what animals are most often affected by trichinellosis?
high infectivity for pigs & rodents - most mammals susceptible
what are 4 management steps that will help prevent trichinella spiralis infection in pigs?
control rodents, prevent cannibalism, tail biting, & get rid of wildlife carcasses
