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Microbiology > Pasteurellaceae > Flashcards

Pasteurellaceae Flashcards

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Biology 101 flashcards
1
Q

What bacteria are in the Pasteurellaceae family?

A

Pasteurella, Mannheimia, Hammophilus, HIstophilus

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2
Q

Describe Pastuerellaceae family
gram -
oxygen -
nutritional -

A

gram - negative
oxygen - facultative anaerobes
nutritional - fastidious

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3
Q

what type of tests would you need to order for suspected bacteria of Pasteurellaceae family - aerobic, anaerobic, both?

A

only aerobic because facultative anaerobes

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4
Q

Define pasteurellosis

A

infection with disease caused by Pasteurella bacteria

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5
Q

what are the major pathogens of Pasteurellosis?

A

Pasteurella multocida
Buiberstenia trehalosi
Mannheimia haemollyticum

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6
Q

Where are Pasteurellaceae found?

A

oral and respiratory tracts - mucous membranes
opportunistic bacteria

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7
Q

Define endogenous infection

A

already present in body but previously asymptomatic
carrier state

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8
Q

Define exogenous infection

A

infection from non-commensal enter a host
originate outside organism

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9
Q

What is the portal of entry for Pasteurellosis?

A

respiratory tract
subq infections - animal bites

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10
Q

Are infections by Pasteurella and Mannheimia endogenous or exogenous?

A

both

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11
Q

Which Pasteurellosis infections are zoonotic?

A

Pasteurella multocida

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12
Q

what disease does Pasteurella multocida cause in ruminants, swine, and lab animals

A

pneumonia - severe fibrinous broncho- and pleuropneumonia

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13
Q

What species can Pasteurella multocida affect?

A

many species

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14
Q

what disease does Pasteurella multocida cause in chicken, turkey

A

fowl cholera - contagious

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15
Q

what disease does Pasteurella multocida cause in swine

A

atrophic rhinitis, pneumonia

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16
Q

what disease does Pasteurella multocida cause in dog, cat

A

cough, lung abscess, fever, shortness of breath, bite wound infections

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17
Q

what disease does Pasteurella multocida cause in cattle

A

mastitis and hemorrhagic septicemia

18
Q

How does hemorrhagic septicemia present?

A

high fever, profuse salivation, edema around throat

19
Q

Which bacteria are involved in bovine respiratory disease?

A

Pasteural multocida, Mannheimia haemolytica, Histophilus somni

20
Q

what are the clinical signs of BRD?

A
21
Q

How does Pneumonia caused by Pasteurella multocida present?

A
22
Q

How does Atrophic rhinitis caused by Pasteurella multocida present?

A
23
Q

How does Fowl Cholera present? what is the morbidity and mortality (low or high)?

A

acute septicemia
high and high

24
Q

what is the clinical sign of Pasteurella multocida in rabbits?

A

rhinitis - snuffles

25
Q

what environmental effects precipitates snuffles in rabbits?

A

stress - chilling (immunosuppresent), transportation, poor ventilation - high levels of ammonia

26
Q

what are the risk factors of P. multocida?

A

stress - drastic changes in weather, poor nutrition, overcrowding, asymptomatic or symptomatic carriers

27
Q

what are the virulence factors of P. multocida? what are the functions of the virulence factors

A
28
Q

what diseases does Manheimia haemolytica cause in cattle, sheep?

A
29
Q

what are the virulence factors of Mannheimia haemolytica? what are the functions of the virulence factors

A
30
Q

Describe - Histophilus somni & Histophilus parasuis
gram -
oxygen requirements -
habitat -

A

gram - negative
oxygen requirements - facultative anaerobes
habitat - mucous membranes

31
Q

what diseases does Histophilus somni cause in cattle?

A

TEME, respiratory disease, GI infections (endometritis and abortion)

32
Q

what diseases does Histophilus somni cause in sheep?

A

pneumonia, mastitis, polyarthritis, meningitis, and septicemia

33
Q

what clinical manifestation is commonly associated with Histophilus somni?

A

septicemia

34
Q

what disease does histophilus parasuis cause in pigs?

A

glasser disease

35
Q

what are the clinical signs of Glasser disease in pigs?

A
36
Q

What type of environment generates glasser disease in 2-4w piglets?

A

stressful

37
Q

what is the economic importance of Avibacterium paragllinarium infections?

A

loss of condition in broiler chickens

38
Q

what does Avibacterium paragllinarium cause in poultry?

A

infectious coryza

39
Q

what are the clinical signs of infectious coryza in poultry?

A
40
Q

what specimens are required for laboratory diagnosis of dead animals with pneumonia and septicemia?

A
41
Q

what is point of care testing?

A

testing done at or near point of care
give instant availability of results

Microbiology (29 decks)

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