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Bacteriology > Unit 3- Genital and GI > Flashcards

Unit 3- Genital and GI Flashcards

1
Q

Genital and GI pathogens

A

Campylobacter, Helicobacter, Arcobacter, and Lawsonia

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2
Q

Campylobacter

A

Gram neg curved rods, motile, non-hemolytic, microaerophilic, oxidase +, urease -, selective media

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3
Q

Microaerophilic

A

Needs low oxygen %

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4
Q

Pathogenic Campylobacter

A

C fetus subsp fetus, C fetus subsp venereales, C jejuni, C coli, Lawsonia intracellularis, C upsaliensis

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5
Q

Campylobacter fetus subsp venereales

A

Venereal transmission, old bulls permanent carriers, placental and fetal infection

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6
Q

C fetus subsp venerealis Pathogenesis

A

Bacteria colonize female reproductive in ascending infection

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7
Q

Bovine Genital Campylobacteriosis

A

C fetus subsp venerealis infection, endometritis, reduced conception rate = repeat breeders

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8
Q

C fetus subsp Venerealis Virulence

A

Proteinaceous micro capsule S layer, serum resistance, antigenic phase variation

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9
Q

C fetus subsp venerealis Diagnosis

A

Microaerophilic culture, fluorescent antibody test, PCR

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10
Q

C fetus Immunity

A

S layer changes to elude antibodies, vaccination not reliable

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11
Q

C fetus subsp fetus Disease

A

Rare disease in cattle causing abortion, abortion in sheep, genital I nfection after bacteremia

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12
Q

C fetus subsp fetus

A

S layer important antigens, inhabits GI, transmitted by ingestion

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13
Q

C fetus subsp fetus Lesions

A

Mid to late term abortion, focal hepatic necrosis, mixed infection with Chlamydia, fibrinous arteritis in fetus, bloody fetal fluid

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14
Q

C fetus subsp fetus Immunity

A

Vaccination based on LPS, S layer antigens, intestinal and systemic antibodies important

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15
Q

C fetus subsp fetus Diagnosis

A

Lesions, selective media, PCR, fluorescent antibody staining of cotyledon impression smears

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16
Q

Intestinal Campylobacter

A

C jejuni, coli, and lari

17
Q

Intestinal Campylobacter Disease

A

Oral transmission, enteritis, bovine mastitis, sheep abortion, hepatitis in chicken

18
Q

Intestinal Campylobacter Virulence Factors

A

LOS, enterotoxin, cytotoxins

19
Q

Intestinal Campylobacter Pathogenesis

A

Bacteria penetrate mucosa and infect enterocytes, motility allows to reach deeper tissues and phagocytes

20
Q

Campylobacter Selective Agar

A

Blood agar, charcoal selective agar

21
Q

Campylobacter jejuni Diagnosis

A

Fever, abdominal pain, nausea, bloody feces, Skirrows selective medium, microaerophilic, PCR

22
Q

Campylobacter upsaliensis

A

Common in pets, cytolethal distending toxin

23
Q

Campylobacter hyointestinalis and mucosalis

A

Proliferative enteritis and intestinal adenomatosis in pigs

24
Q

Campylobacter Public Health

A

Fetus, jejuni, and coli present in many animals, highly infectious and oral transmission, enteritis and systemic infection in human

25
Q

Campylobacter Control

A

Antimicrobials rarely used for farm animal, supportive care, artificial insemination, removal of abortion, hygiene, cull carriers, bacterin vaccines

26
Q

Helicobacter causing gastritis in cats

A

Helicobacter felis, canis, pylori, and heilmanii

27
Q

Helicobacter causing gastritis in dogs

A

Helicobacter bilis, felis, canis, salomonis, rappini, heilmanii

28
Q

Helicobacter Gastritis Clinical Signs

A

Vomiting, abdominal pain, fever, diarrhea, weight loss, malaise

29
Q

Helicobacter causing hepatitis

A

Helicobacter hepaticus and bilis, hepaticus leads to hepatic neoplasia

30
Q

Helicobacter suis

A

Gastritis in pigs

31
Q

Arcobacter

A

Aerotolerant, associated with abortion and mastitis, darting motility, growth in ambient air on Yersinia agar

32
Q

Lawsonia intracellularis

A

Obligate intracellular in epithelial cells, proliferative intestinal enteropathy, chronic diarrhea

33
Q

Wet Tail Disease

A

Intestinal enteropathy in pig and hamster caused by Lawsonia intracellularis

34
Q

Lawsonia Disease

A

Acute hemorrhagic enteropathy and diarrhea, chronic mild diarrhea and reduced growth, loss of villous structure

35
Q

Lawsonia Diagnosis

A

Pathology, histopathology, fluorescent antibody, PCR

Bacteriology (44 decks)

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