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Bacteriology > Lecture 15- Gram Negative Rods Pt. 3 > Flashcards

Lecture 15- Gram Negative Rods Pt. 3 Flashcards

1
Q

Characteristics of Pasteurella multocida

A

Gram negative rod
Extracellular
Opportunistic pathogen of nasal cavities
Pasteurella multocida toxin (PMT)

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2
Q

Diseases caused by Pasteurella multocida

A

Hemorrhagic septicemia (in cattle, not in US, high morbidity, edematous swelling of submandibular region)
Fibrinous bronchopneumonia (in cattle, part of shipping fever)
Fowl cholera (mature birds)
Atrophic rhinitis (swine 4-12wks, facial deformity)
Snuffles (rabbits)

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3
Q

What two diseases together cause Swine atrophic rhinitis?

A

Pasteurella multocida andBordetella bronchispetica

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4
Q

Dx of Pasteurella multoida?

A

Nasal culture
Serology for herd screening

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5
Q

What bacteria can be found in animal bite wounds?

A

Pasteurella multocida

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6
Q

What bacteria is the main agent in shipping fever complex?

A

Mannheimia haemolytica

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7
Q

What is a major virulence factor of Mannheimia haemolytica?

A

Leukotoxin (pore-forming in WBC)

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8
Q

Most common bacterial isolates in Bovine Respiratory Disease Complex?

A

Mannheimia haemolytica
Pasteurella multocida
Mycoplasma bovis
Trueperella pyrogenes

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9
Q

What are the symptoms of Riemerella anatipestifer infections?

A

Septicemia and severe polyserositis in ducklings

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10
Q

What disease does Haemophilus parasuis cause?

A

Glasser’s disease in piglets

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11
Q

What disease does Histophilus somni cause?

A

Thromboembolic meningoencephalitis (TEME) in cattle (sleeper syndrome)

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12
Q

Symptoms of Histophilus somni infections

A

hemmorhage and necrosis in brain
Thrombi formation in blood vessels

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13
Q

Differential diagnosis to Histophilus somni

A

Listeria

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14
Q

What disease is caused by Avibacterium paragallinarum?

A

Infectious coryza
Fowl coryza

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15
Q

Symptoms of Avibacterium paragallinarum infection?

A

Infraorbital swelling, rhinitis, diarrhea

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16
Q

Disease caused by Actinobacillus ligieresii?

A

Wooden tongue in ruminants

17
Q

What gram negative bacteria has sulfa granules, like actinomyces and nocardia

A

Actinobacillus lignieresii

18
Q

What disease is caused by Actinobacillus pleuropneumoniae?

A

Hemorrhagic necrotizing pleuropneumonia in swine

19
Q

What disease is caused by Actinobacillus equuli subsp. equuili

A

Sleepy foal disease
Purulent arthritis and nephritis

20
Q

What bacteria stops the mucociliated elevator?

A

Bordetella

21
Q

What disease is caused by Bordetella bronchiseptica?

A

Kennel cough in dogs
Atrophic rhinitis in swine

22
Q

What disease is caused by Bordetella pertussis?

A

Whooping cough in humans

Bacteriology (11 decks)

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