exam 3 bacti Flashcards
what does ETEC do
makes the cells a pump. net efflux of water and electrolytes
acute and chronic swine dysentary
brachyspira hyodysenteriae
edema dz of pigs
STEC. shiga toxin
PPE and PHE
Lawsonia intracellularis
how do you ddx PPE vvs PHE
PPE: piglets, thickened colon
PHE: finishers, thickened ileum
what are the two forms of clostridia
enterotoxemia and enteropathies
what clostridia is for enterotoxemia
C. perfringens D
who gets C. perfringens D
cattle, goats, sheep
what toxin is released by C. perfringens D
epsilon exotoxin that is activated by trypsin
Johne’s disease
mycobacterium avium paratuberculosis
granulomatous enteritis, acid fast rods, with macrophage infultrates, progressive
Johnes Dx
age of cattle with Johnes disease
around two but has long incubation so they are infected as neonates
diarrhea in a calf that is 5 days old
ETEC
what are the extraintestinal infections
C. perfringens D
STEC edema dz pigs
intraintestinal noninvasive infections
ETEC
intraintestinal invasive infections
salmonella, camphy, c. perfringens, brachyspira hyodysenteriae, M. a. paratb, lawsonia intracellularis
Blood diarrhea in swine. what could cause it
swine dysentary (b. hyodys)
PHE (l. intracellularis)
c. perfringens ABCE
edema in a pig
STEC edema dz
diarrhea in a piglet
ETEC
PPE
c. perfringens ABCE
salmonella
creates carrier animals
salmonella
Johnes Dz
opportunistic pathogen that is facultatively intracellular
salmonella
three take aways about salmonella
diarrhea, septicemia, carriers
mild diarrhea and gutter piglet
PPE on ddx
what is unique about c. perfringens D
it is normal flora in the LI and when there is gut stasis it moves to the SI and its toxins are activated
what are four things to remember about Johnes
long incubation
granulomatous enteritis
acid fast rods
chronic and progressive
