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36 Cards in this Set
- Front
- Back
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What are the major diarrheal diseases of neonatal pigs?
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Enteric Colibacillosis
Transmissable Gastroenteritis Rotaviral enteritis Clostridium perfringens type C enteritis Coccidiosis Clostridium difficile (RARE) Porcine epidemic diarrhea (RARE) |
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What are the clinical signs of Enteric colibacillosis in neonates?
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May be found dead
Watery blood tinged stool occasional vomiting Hypothermic pigs more susceptible |
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How do you diagnose enteric colibacillosis in neonates?
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Dehydrated
Dilated loops of SI Pure culture of enterotoxigenic serotype Increased fecal pH |
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What ages does Transmissible gastroenteritis affect?
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Any age in naive population
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What is the causative agent of TGE?
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Coronavirus
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What are the clinical signs of TGE?
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Vomiting
Diarrhea High mortality in piglets Anorexia in sows |
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How do you diagnose TGE?
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FAT on SI
Direct EM on feces Marked villus atrophy on histo |
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What are the clinical signs of Rotaviral enteritis?
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Scours
Poor Gain Low mortality |
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How do you diagnose Rotaviral enteritis?
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EM virus
ELISA on feces FAT on gut Atrophied villi |
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What are the clinical signs of Clostridium perfringens type C enteritis?
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Acute death
Severely hemorrhagic/necrotic intestine |
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How do you diagnose C. perfringens type C enteritis?
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Histo
Gram stain on mucosal smear (G+ rods) |
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What are the clinical signs of Coccidiosis?
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White Scours- "milk scours"
High morbidity Low mortality |
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How do you diagnose Coccidiosis?
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Intestinal smear
Fecal floats Histo to demo organisms (isospora) Prevent with toltrazuril |
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What is a rule out for TGE?
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Porcine epidemic diarrhea
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What are the clinical signs of C. difficile enteritis?
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Sudden death
+/- Diarrhea |
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How do you diagnose C. difficile enteritis?
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Mesocolonic edema
Fibrinonecrotizing colitis Demonstrating toxin |
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What are important causes of diarrhea in weaned pigs?
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Post-weaning E. coli enteritis
Salmonellosis Swine dysentery Porcine colonic spirochetosis Proliferative enteropathies |
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What are the clinical signs of post-weaning E.coli enteritis?
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loose stool
poor gain some mortalities |
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How do you diagnose/tx Post-weaning E.Coli enteritis?
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Pure culture of enterotoxigenic serotypes
Histo Gastric infarcts Tx: fluoroquinolones |
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What ages are most often affected by Salmonellosis?
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All ages
Typ growers/finishers Carrier pigs common Rodents/bird spread |
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What are the clinical signs of Salmonellosis?
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May see blood-stained stool
PYREXIA Often no diarrhea Multifocal hepatitis Turkey egg kidney Splenomegaly Multifocal hemorrhage |
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What are the most common forms of Salmonellosis?
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Salmonella typhimurium
Salmonella cholerasuis Salmonella typhisuis |
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How do you diagnose/ Treat salmonellosis?
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Culture gut, nodes, liver
Acute intestinal form has enteritis, enlarged mesenteric lnn BUTTON ULCERS RECTAL STRICTURE (chronic) Tx: Parenteral Abx/NSAIDs |
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What is the causative agent of Porcine proliferative enteritis (ileitis)
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Lawsonia intracellularis
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What are the clinical signs of Porcine Proliferative enteritis?
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Weight Loss
Acute form: BLOODY stool |
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How do you diagnose Porcine Proliferative Enteritis?
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Thickened terminal ileum
Intracellular rods on silver stained histo Tx: VACCINATION (water additive) Antibiotics |
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What is the causative agent of Swine Dysentery?
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Brachyspira hyodysenteriae
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What are the clinical signs of swine dysentery?
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Weight Loss
Loose stool with flecks of BLOOD Anorexia Soupy stool Low grad fever |
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How do you diagnose swine dysentery?
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NEED A FRESH CARCASS!
Fibrinonecrotic typhlocolitis (NO SI involvement) Fresh smear PCR |
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What is the causative agent of porcine colonic spirochetosis?
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Brachyspira pilosicoli
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What are the clinical signs of Porcine colonic spirochetosis?
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Soft stool (cow pie)
Poor ADG Min mortality |
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How do you dx/tx porcine colonic spirochetosis?
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Demo BacT-- culture difficult
PCR Tx: tiamulin, lincomycin, tylosin |
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What ages are affected by whipworms? Causative agent?
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Trichuris suis
Any age of weaned pig, including adult |
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What are the clinical signs of whipworms?
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Anorexia
Weight loss Mucohemorrhagic diarrhea |
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What are the clinical signs of hog cholera? Age group?
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All ages
Fever diarrhea May be BLOODY |
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What causes of diarrhea in weaned pigs have bloody stool?
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Salmonellosis
Swine dysentery Proliferative enteropathies Whipworms Hog Cholera |
