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eating and eliminating > exam 3 bacti > Flashcards

exam 3 bacti Flashcards

1
Q

what does ETEC do

A

makes the cells a pump. net efflux of water and electrolytes

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2
Q

acute and chronic swine dysentary

A

brachyspira hyodysenteriae

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3
Q

edema dz of pigs

A

STEC. shiga toxin

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4
Q

PPE and PHE

A

Lawsonia intracellularis

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5
Q

how do you ddx PPE vvs PHE

A

PPE: piglets, thickened colon

PHE: finishers, thickened ileum

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6
Q

what are the two forms of clostridia

A

enterotoxemia and enteropathies

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7
Q

what clostridia is for enterotoxemia

A

C. perfringens D

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8
Q

who gets C. perfringens D

A

cattle, goats, sheep

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9
Q

what toxin is released by C. perfringens D

A

epsilon exotoxin that is activated by trypsin

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10
Q

Johne’s disease

A

mycobacterium avium paratuberculosis

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11
Q

granulomatous enteritis, acid fast rods, with macrophage infultrates, progressive

A

Johnes Dx

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12
Q

age of cattle with Johnes disease

A

around two but has long incubation so they are infected as neonates

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13
Q

diarrhea in a calf that is 5 days old

A

ETEC

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14
Q

what are the extraintestinal infections

A

C. perfringens D
STEC edema dz pigs

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15
Q

intraintestinal noninvasive infections

A

ETEC

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16
Q

intraintestinal invasive infections

A

salmonella, camphy, c. perfringens, brachyspira hyodysenteriae, M. a. paratb, lawsonia intracellularis

17
Q

Blood diarrhea in swine. what could cause it

A

swine dysentary (b. hyodys)
PHE (l. intracellularis)
c. perfringens ABCE

18
Q

edema in a pig

A

STEC edema dz

19
Q

diarrhea in a piglet

A

ETEC
PPE
c. perfringens ABCE
salmonella

20
Q

creates carrier animals

A

salmonella
Johnes Dz

21
Q

opportunistic pathogen that is facultatively intracellular

A

salmonella

22
Q

three take aways about salmonella

A

diarrhea, septicemia, carriers

23
Q

mild diarrhea and gutter piglet

A

PPE on ddx

24
Q

what is unique about c. perfringens D

A

it is normal flora in the LI and when there is gut stasis it moves to the SI and its toxins are activated

25
Q

what are four things to remember about Johnes

A

long incubation
granulomatous enteritis
acid fast rods
chronic and progressive

eating and eliminating (14 decks)

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