Campylocbacter, Helicobacter, Lawsonia - Muller Flashcards
Campylobacter remains viable in:
- Milk
- Feces
- Water
- Vaginal discharges
- Poultry litter
Campylobacter survives in ________ conditions
Moist, can tolerate cold
Shape of campylobacter?
Seagull shaped
Where does Campylobacter fetus subsp. Venerealis inhabit?
Bovine repro tract
Where does campylobacter fetus subsp fetus like to inhabit?
Intestinal tract of shoats and cattle
Where does campylobacter jejuni cause infection the bost?
Intestinal tract of birds and mammals
What stain is used for campylobacter spp?
Dilute carbon fuchsin (DCF)
Which of the following campylobacter spp requires a higher temp of 42 C to grow on culture?
C. Jejuni
Ovine genital campylobacteriosis is caused by what bacteria?
C. fetus subsp. fetus or C. jejuni
Avian campylobacteriosis is caused by what bacteria?
C. jejuni
What species of bacteria causes intestinal campylobacteriosis in humans?
C. jejuni
How is C. fetus subsp. Venerealis transmitted?
Coitus to cows from asymptomatic carrier bulls
Remains in bulls prepuce and cows vagina
How do cows gain natural immunity to C. fetus subsp venerealis?
IgA from vagina limits spread
IgG from uterus opsonizes pathogens
CS associated with Bovine genital campylobacteriosis?
- endometritis and salpingitis
- temporary infertility, early embryonic death
- sporadic abortion
What sample would you collect to diagnose Campylobacter fetus subsp. Venerealis?
Vaginal or prepuce mucus from cows and bulls
What are you looking for when using ELISA on a cow you suspect has bovine genital campylobacteriosis?
IgA
How is Campylobacter fetus subsp. fetus transmitted?
Fecal oral route or from infected placentas
CS associated with Campylobacter fetus subsp. fetus?
- Necrotic placentitis **
- late pregnancy abortion
- necrotic lesions on liver surface of aborted lambs
___________ is the most common cause of ovine abortion
Campylobacter fetus subsp. fetus
Confirmatory test for ovine genital campylobacteriosis?
PCR
Zoonotic species that cause intestinal campylobacteriosis in dogs?
- C jejuni
- C upsaliensis
CS associated with C. jejuni?
- asymp in turkeys and chickens
- chicks infected from feed, water, litter get necrosis in the liver
How do humans get campylobacter from birds?
Carcass contamination at slaughter
____________ is one of the most frequent causes of food poisoning
C. jejuni
CS associated with campylobacter in humans?
Fever , Abd pain , Diarrhea
Ovine genital campylobacter is most associated with what CS?
Necrotic placentitis
A vaginal swab from a cow revealed pink, seagull shaped bacteria. What do you suspect?
Campylobacter fetus subsp. venerealis
Main CS seen with Lawsonia ?
Proliferative enteropathy
