GI

Question 1

What is the gold standard to diagnose Porcine Proliferative Enteritis (Lawsonia intracellularis)?

Answer 1

Silver stain

Question 2

Equine stomach. MDx?

Etiology?

Answer 2

Ulcerative gastritis

Cantharidin toxicity (blister beetle in alfalfa hay)

Note: esophageal region of the stomach mucosa affected; occurs most often in TX, OK, TN

Question 3

Pig on St. Kitts. Etiology?

Answer 3

Stephanuris dentatus

Question 4

Pig in U.S.

Etiology?

Name of Disease/Condition?

Answer 4

Ascaris suum

Milk-spotted liver

Question 5

Tissues from pig.

MDx?

Etiology?

Name of disease?

Answer 5

MDx: Proliferative enteritis; lymphangectasia

Etiology: Lawsonia intracellularis

NOD: Porcine Proliferative Enteropathy (PPE)

Note “garden hose” appearance of intestine.

Question 6

Tissue from a pig.

MDx?

Etiology?

Most affected age group?

Answer 6

Proliferative Hemorrhagic Enteritis

Lawsonia intracellularis

Older animals!

Note: animals often die from acute hemorrhage