Test 2- Taylorella Flashcards
(19 cards)
Taylorella species
Only 2 species:
- Taylorella equigenitalis - DONT HAVE TO KNOW
- (Taylorella asinigenitalis)
- Nonpathogenic
- Donkeys
Taylorella equigenitalis
- Gram negative
- Non-motile
- Coccobacillus
- Facultative anaerobic
- Obligate symbiotic
- Obligate pathogenic
Taylorella equigenitalis host
Horses
Male:
- Nosymptoms,
- noimmunity
Female:
- Contagious Equine Metritis(CEM),
- immunity
• Notifiable/ Reportable
CEM: Contagious Equine Metritis
- Metritis
- Acute suppurative
- Self limiting
- Temporary sterility
- Highly contagious
- Become asymptomatic carriers
• Immunity

Taylorella equigenitalis
CEM: Contagious Equine Metritis
Taylorella equigenitalis
Virulence factors
- Capsule
- Cell wall LPS
Taylorella equigenitalis
Environmental resistance
- Environmental resistance
- Poor- max 2 days in fridge
- Care with keeping samples for diagnosis
Taylorella equigenitalis
Epidemiology
- Exclusively in equine genital tract
- Control by regular sampling of breeding stallions
• STD
Taylorella equigenitalis
Pathogenesis (mares)
- Not very well described
- Spontaneous healing within several weeks
- Temporary infertility (recovery)
- Few abortions
- May cause infection of newborns (asymptomatic)
Taylorella equigenitalis
Diagnosis in stallions
• Sampling (control)
- Stallions
- Preputium
- Urethra
- Fossaglandis
- Sinus urethralis


Take sample from:
Fossa Glandis
Sinus urethralis
urethra
preputium
Taylorella equigenitalis
Diagnosis
• 2. Mares
- Mares
- Sampling (control)
- Fossa clitoridis
- Sinus clitoridis

Taylorella equigenitalis
Diagnosis
- Amies charcoal transport medium
- Reach the lab in less than 24h !!
- Culture
- Specific selective agar including Streptomycin, clindamycin or trimethoprim • Long incubation (1 week)
- Capnophilic
- Plates difficult to read (contaminants)
- Specialist work
- Small colonies that do not have very specific characteristics

Taylorella asinigenitalis

Taylorella equigenitalis
Taylorella equigenitalis
Diagnosis
• Identification
Identification
- PCR
- Biochemical testing
Taylorella equigenitalis
Prevention
Elimination of positive animals from breeding
Vaccination:
- Bacterins
- Do not prevent infection
- Reduce severity
Taylorella equigenitalis
Treatment
- Uterine infection
- Intrauterine and systemic application of antibiotics
- Not always very successful
- No elimination of bacteria