Others Flashcards

1
Q

Listeria monocytogenes
gram - or +
shape
aerobe or anaerobe
motile or non motile
spore or non spore forming
intracellular?
zoonotic?

A

gram + rod, coccobacilli
facultative anaerobe
motile
non-spore forming
intracellular
zoonotic - abortion, septicemia, meningitis in humans
*foodborne illness in humans

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2
Q

listeria monocytogenes
virulence factors
species

A

Listeriolysin O
biofilm former

ruminants, monogastrics, birds, humans

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3
Q

Listeria monocytogenes
clinical signs
diagnostics
treatment

A

outside GI tract - last trimester abortion, meningoencephalitis “circling disease”, visceral/septicemic disease, gastroenteritis

postmortem brainstem aerobic culture or histopath

penicillin (high dose)

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4
Q

what are the RECTL organisms?

A

Rhodococcus spp.
Erysipelothrix spp.
Corynebacterium spp.
Trueperella spp.
Listeria spp.

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5
Q

Coxiella burnetti
gram - or +
shape
aerobe or anaerobe
intracellular?
zoonitic?

A

gram - rod
aerobic
intracellular
zoonotic - human flu like symptoms

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6
Q

Coxiella burnetti
species
transmission
clinical signs
diagnostics

A

ruminants
inhalation/ingestion placenta/birthing fluids/body fluids & tick vectors
Q fever = cotyledonary/placenta necrosis
serology, PCR, immunohistochemistry

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7
Q

Chlamydia spp.
gram - or +
aerobe or anaerobe
intracellular?
zoonotic?
virulence factor
pathogenesis

A

gram - short coccobacilli
aerobe
intracellular
zoonotic - pregnant women
LPS, hemagglutinin
elementary bodies (environment, infectious)
reticular bodies (inside)

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8
Q

Chlamydia abortus
species
clinical sign

A

small ruminants
placentitis, polyarthritis, conjunctivitis
late term abortion in humans

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9
Q

Chlamydia psittaci
species
clinical signs

A

birds, horses, catttle
late term abortion
pneumonia in humans

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10
Q

Chlamydia pecorum
species

A

small ruminants

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11
Q

Chlamydia felis
species
clinical signs

A

felines
conjunctivitis, respiratory disease

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12
Q

Chlamydia spp.
transmission
diagnostics
treatment

A

inhalation/ingestion (major), venereal (minor)
ELISA, placenta histology, PCR
removal of birthing fluids, segregation, Abx

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13
Q

Taylorella equigenitalis
gram - or +
shape
aerobe or anaerobe
species
clinical signs

A

gram - coccobacillus
microaerophile
horses
infertility - contagious equine metritis (CEM)

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14
Q

what diagnostics do you do for T. equigenitalis

preventative care?

A

“test breeding” where you mate a stallion with 2 CEM free mares
3 sets of cultures to be deemed negative (highly fastidious)
charcoal-specific transport media

APHIS regulatory testings

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15
Q

T. equgenitalis transmission

A

venereal, AI, fomites, frozen semen, carriers

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16
Q

Campylobacter
gram - or +
shape
aerobe or anaerobe
spore or non-spore forming
motility?
virulence factors
pathogenesis

A

gram - curved rod
microaerophile
non-spore forming
darting motility in culture
LPS, capsule
zipper & trigger mechanism, T3SS in GI and also preputial crypts of carrier bulls

17
Q

Campylobacter jejuni
species (reservoirs and vectors)
clinical signs
diagnostics
risk for ______

A

sheep, other ruminants, ferrets, dogs/cats, humans (reservoirs)
poultry most common vector
necrotizing hepatitis and abortions
fecal, post-mortem culture, PCR, NO cytology bc of CLOs
Guillain Barre Syndrome in humans

18
Q

Campylobacter fetus venerealis
species
clinical signs
transmission

A

cattle
bovine genital campylobacteriosis (BGC)
coital (sex)

19
Q

Campylobacter fetus fetus
species
clinical signs
diagnostics

A

ruminants
abortion & abortion storms
Weybridge Medium or Clark’s Medium, PCR, Glycine Tolerance Test; need to distinguish C. fetus subspecies because venerealis is reportable; sample same time for Tritrichomonas

20
Q

______ is the most important campylobacter spp. in sheep but ______ is more common

A

C. fetus fetus
C. jejuni

21
Q

_____ Campylobacter spp. is reportable

A

C. fetus venerealis