Leptospirosis Flashcards
what causes Leptosirosis
diff strains of bacteria Leptospira (spirochetes)
where is Leptospira usually contracted from to domestic animals (resevoirs?)
wildlife; high incidence in white-tail deer
kidney usu localizes bacteria, urine contaminates environment
(rodents usu -> humans or dogs)
clinical signs of Leptospirosis in cattle
abortion during 3rd trimester common, nephritis
signs of leptospirosis in horses
periodic opthalmia or “moon blindness” or “recurrent uveitis”
painful eye, often –> blindness, closed, sensitive to light, swelling in cornea (grey)
abortion, kidney disease
what parts of the eye are located in uveal tract
cilliary body(hold iris), pupil, blood vessels
why periodic opthalmia in horses is also called “reccurent uveitis”
will appear better, then worsen, repeat
how leptospirosis can be spread to humans
infected urine, uterine fluids, aborted fetus, raw milk
human symptoms of leptospirosis
flu-like; fever, muscle pain, nausea, miscariages
diagnosis of Leptospirosis
Serology test ( take acute and convelescent Ab titers)
signs of nephritis
frequent/ painful urination, hematuria (bloody urine)
how to treat lepto associated nephritis
none, leptospira=drug resistant
how to treat periodic opthalmia in horses w leptospirosis
none, often blindness
a vaccine against all 5 strains of lepto available for what animals
cattle/ swine
vaccine in horses protects against
abortion; not periodic opthalmia
when to vaccinate against leptospirosis
give when incidence is high, every 6 months
