Lab Exam 1 Flashcards
In the staph family, which organism is most likely to be found in wounds on a horse?
Staph pseudointermedius
Which organism causes bumblefoot in an avian?
Staph aureus
Where can staph aureus and staph pseudointermedius be found on a found? Which is more likely?
Staph pseudointermedius more common!!!!!
Skin infection
Pustular dermatitis
Lick dermatitis
Wound
Ear
Urogenital
What are the coagulase positive staphs?
Staph aureus
Staph pseudointermedius
Staph schleiferi (50/50)
Staph hyicus (50/50)
What are the VP positive staphs?
Staph aureus
Staph epidermidis
Staph schleiferi
Which of the staphs are DZ hemolysis?
Staph aureus
Staph pseudointermedius
Staph schleiferi
Which organism is associated with pyoderma in a dog?
Staph schleiferi
Which 4 organisms might be associated with otitis externa (an ear infection) in a dog?
- Staph schleiferi
- Corynebacterium auriscanis
- Staph aureus
- Staph pseudointermedius
Which organism causes greasy pig disease?
Staph hyicus
What might go along with greasy pig disease?
Septic polyarthritis
Which organism is known to cause biofilm build up on intravenous catheters?
Staph epidermidis
Which organism is responsible for the majority of goat mastitis cases?
Staph epidermidis
Which organism is responsible for the majority of mild to subclinical mastitis cases in cattle?
Staph epidermidis
What is the positive control in the CAMP test?
Strep agalactiae
What is the negative control in the CAMP test?
Strep pyogenes
What are the differences between Strep pyogenes and Strep agalactiae?
- Strep pyogenes
- Causes necrotizing fasciitis
- CAMP (-)
- Strep agalactiae
- Causes mastitis
- CAMP (+)
Which organism causes metritis and cervicitis in sows?
Strep equisimilis
Which type of infections can Strep equisimilis cause?
Dog: repro tract infections
Horse: meningitis, repro tract infections, metritis, cervicitis
Sows: meningitis, repro tract infections, metritis, cervicitis
What is the cause of STRANGLES in horses?
Strep equi
Where is Strep equi normally found in a healthy horse?
Upper respiratory tract
Reproductive tract
What does Strep equisimilis cause in horses and pigs? Which other organism has a similar affect on pigs?
Meningitis
Repro tract infections
(Strep suis ALSO causes meningitis in pigs)
Which species can Strep equisimilis affect?
Horse
Pig
Dog
Which organism causes hemorrhage pneumonia in a dog?
Strep zooepidemicus
Which organism would cause a young pig to be DOWN and PADDLING?
Strep suis
Which organism could cause a turkey to look “uglier than normal” and have a swollen head?
Erysipelothrix rhusiopathiae
What are the results for Erysipelothrix rhusiopathiae below:
- H2S
- Dextrose
- Lactose
- Sucrose
- Catalase
- Urease
- HS2 +
- Dextrose +
- Lactose +
- Sucrose -
- Catalase -
- Urease -
What are the results below for Listeria monocytogenes?
- Dextrose
- Sucrose
- Lactose
- Catalase
- Urease
- Dextrose +
- Sucrose +
- Lactose +
- Catalse +
- Urease -
Which organism is positive for casein agar digestion?
Trueperella pyogenes
Which organism causes pigeon fever in the horse?
Corynebacterium pseudotuberculosis
Which organism causes caseous lymphandenitis in sheep and goats?
Corynebacterium pseudointermedius
Which organism causes ulcerative lymphagenitis in the horse?
Corynebacterium pseudotuberculosis
Which organisms are definitively (-) for sucrose and lactose fermentation?
- Corynebacterium auriscanis
- Rhodococcus equi
- Corynebacterium renale
Which organism is so CAMP (+) that it extends to the opposite side of the staph aureus line?
Rhodococcus equi
Which streps are penicillin sensitive?
- Strep pyogenes
- Strep agalactiae
- Strep equi
Which streps are alpha hemolytic?
Strep suis
Strep dysgalactiae
Strep uberis
What is the most common pathogen of wounds in horses?
Strep zooepidemicus