AG MED - GI - Winter Dysentery Flashcards
What is winter dysentery?
How quickly does it spread?
How long does it typically take to run its course?
What ages are primarily affected?
What is the morbidity and mortality?
Etiology of winter dysentery
Clinical signs of winter dysentery
What is the diarrhea associated with winter dysentery like?
Explosive
Rapid spread
+/- blood, mucus, casts
Musty, fetid, sweet, nasty
Will cause dehydration if persistent
Clinical signs of winter dysentery
Milk production:
Appetite / Attitude:
Rumen activity:
Small intestine activity:
Weight:
Temp:
Respiration:
Herd outbreaks:
Precipitous drop in milk production
Anorexia, depression
Decreased rumen activity
Increased small intestine activity (dilated bowel on rectal)
Weight loss (decreased rumen fill)
+/- fever
+/- cough
Affected herds usually don’t have outbreaks for several years (immunity?)
Clinical pathology for winter dysentery is _______ but may we _________ if persistent.
Pathophysiology of winter dysentery
Similar histopath to ________________.
What lesions of colonic mucosa and distal small intestine would you see?
Does winter dysentery usually result in death?
How is winter dysentery usually diagnosed?
List five DFDX for winter dysentery.
Three diagnostic tests for winter dysentery:
How is winter dysentery treated?
Are oral antibiotics, oral fluids, and antihistamines effective?
Prevention and control of winter dysentery
Appropriate bio security mainly includes avoiding what?
Does winter dysentery disease require treatment?
What happens to herd immunity after an outbreak?
