Swine-Sithole Flashcards
What age of piglets are commonly affected by Clostridium difficile?
2-10 day old
What is a microscopic characteristic associated with Clostridium difficile?
multifocal suppurative and erosive colitis
Presence of C. difficile enterotoxin is confirmed by what dx test?
ELISA test on fresh feces
What is the tx for C. difficile?
Virginiamycin in sows
Tylosin in piglets
What is the characteristic presentation of diarrhea associated with C. difficile?
Orange stained fecal diarrhea (sign of fecal blood loss)
What is the microscopic association with Clostridium perfringens?
mild multifocal suppurative enteritis w/ large gram positive rods
What is the tx for Clostridium perfringens?
Bacitracin in sows/piglets
Also can use Salinomycin or vaccination
What age range is most commonly seen to be infected with E. coli?
neonates to 2-4 wks post weaning
What are the virulence factors of E. coli?
Fimbria, enterotoxins, endotoxins, and capsules
Who acts as a carrier for E. coli?
Dams
T/F: Coliforms of E. coli can survive long periods in contaminated buildings
TRUE
What are the CS of E. coli?
Subnormal body temp (shivering), watery diarrhea, +/- V+
Can cause fibrinous polyserositis
How is E. coli dx?
Culture from SI or PCR
What are tx options for E. coli?
Ampicillin, gentamycin, neomycin, furizolidone, potentiated sulphur drugs
Control: vaccinate sows before farrowing
What strain of E. coli causes edema disease?
F18
Which age group is most commonly seen with Edema dz?
Recently weaned pigs
What are the CS of edema dz?
anorexia, ataxia, stupor, recumbency (paddling/running) and abnormal squeals
What group of swine are most commonly seen with coccidiosis?
Confinement raised (1-3 wk old)
Who is the source of infection for coccidiosis?
Carrier sows
How is coccidiosis transmitted?
Oocysts ingested when piglets first nurse or when ingest feed, water or feces
What are CS of coccidiosis?
Yellow-clear/pasty-watery diarrhea, dehydration, rough hair coat, failure to gain weight
T/F: Coccidiosis is similar to E. coli and responds well to Ab
FALSE- similar to E. coli EXCEPT that it DOESN’T respond well to Ab
What is the tx of choice for coccidiosis?
Toltrazuril
What age of pigs are affected by rotaviral enteritis?
1-6 week old piglets