Chylamydiaceae Flashcards
Which two species of Chlamydophilia are known to be zoonotic?
- C. psittaci* and C. abortus
- C. felis* is reported, other species are suspected
What disease does Chlamydophilia pecorum cause in cattle?
Sporadic bovine encephalomyelitis
What are the clinical signs of Chlamydophilia psittaci infection?
Conjunctivits, yellow-green gelatinous droppings (may collect at vent), hepatitis/hepatomegaly, splenomegaly
Chlamydophila psittaci causes what disease in birds?
Psittacosis in parrots
Ornithosis in other birds
Chlamydophila abortus is endemic in which species?
Ruminants and swine
How is feline pneumonitis caused by C. felis treated?
Isolate infected cats, treat with tetracycline
Can use available vaccines to lessen severity of symptoms- recommended for cats with high risk of exposure
How are chlamydial infections treated and managed in birds?
Quarantine and treat new birds with antibiotics
Cull birds on basis of serological testing
Avoid contact with wild birds, general sanitation
What is the infective stage of the lifecycle?
Elementary bodies
Which method to diagnose chlamydial infections is more sensitive than PCR?
Cell cultures and yolk sac inoculation of fertile eggs
During which stage of the lifecycle are Chlamydia/Chlamydophila actively replicating?
Reticulate bodies
Chlamydophila abortus is the causative agent of which disease in sheep?
Enzootic ovine abortion/enzootic abortion of ewes (EAE)
Loss of lambs in late pregancy or weak/dead lambs at birth
Chlamydophilia pecorum causes infertility and genitourinary disease of which species?
Koalas
What disease patterns does Chlamydophilia pecorum cause in pigs and sheep?
Enteritis, arthritis
How is sporadic bovine encephalomyelitis treated?
Tetracyclines and tylosin if given before CNS signs occur
What is the most common manifestation of Chlamydophilia felis infection?
Acute, chronic, or recurrent conjunctivitis
