Bovine Intestinal Dz-Bittar Flashcards
What is the most common cause of true colic in dairy cows?
Simple acute indigestion in the small intestine
T/F: Rumen stasis and hypoactivity is commonly seen with acute indigestion, but the rumen contractions can also be increased but weak
TRUE
What are CS of simple acute indigestion?
Kicking belly, standing/laying, bellowing, treading w/ hind feet
What is felt on rectal palpation if there is small intestinal indigestion and mechanical small bowel obstruction?
Extremely distended loops
Fibrin or crepitus on rectal palpation
Blood in stool
Deterioration in CV signs
What are two goals of tx for simple acute indigestion?
Reestablish normal GI motility and flora
Evacuate the GI tract intending to eliminate the causative agent
What does Listeria monocytogenes cause in cattle?
Circling silage disease- neurological symptomatology
What is a common causative agent of Listeriosis?
Corn silage (increased pH favors bacterial growth)
Which CN are affected with Listeriosis?
CN V, IX, X and XII
What is seen in a patient with intussusception?
Colic in first 12-24 hours then anorexia, no manure, dehydration, abdominal distention
This is common in dairy cows and thought to be related to low Cu or CLostridium perfringens type A/Aspergillus fumigatus
Hemorrhagic bowel syndrome (Jejunal hemorrhage syndrome)
This is seen to cause hardening of the mesentery and omentum
Fat necrosis
What type of cattle is fat necrosis commonly seen in?
Over conditioned and middle aged cattle
What are colonic obstructions commonly caused by in cattle?
Regional inflammation –>adhesions by space occupying masses
-Intraperitoneal injections of dextrose, peritonitis, post-sx
What is the sequence of developing colonic obstructions in cattle in terms of CS?
Diarrhea for a few days –> colic –> no manure –> distended abdomen
What breed of cattle have a higher prevelance of atresia coli
Holsteins
signs appear by 1-3 days of age
