P37 - Alimentary Part 6

Question 1

differential diagnosis of equine acute hemorrhagic colitis (4)

Answer 1

• salmonellosis
• clostridial colitis
• NSAIDs
• equine monocytic ehrlichiosis (Potomac horse fever)

Question 2

equine monocytic ehrlichiosis (Potomac horse fever) is associated with what pathogen

Answer 2

• Neorickettsia risticii

Question 3

equine verminous arteritis is associated with what parasite

Answer 3

• strongylus vulgaris

- 4th stage larvae in cranial mesenteric artery

Question 4

rhodococcus equi enteritis most common lesion

Answer 4

• multifocal nodular pyogranulomatous pneumonia

Question 5

equine granulomatous enteritis is associated with what pathogen

Answer 5

• mycobacterium avium

Question 6

anaphylactoid purpura in horses is associated with discrete foci of ____ and ____ where

Answer 6

• necrosis and hemorrhage

- in GI tract, larynx, skeletal muscle

Question 7

bovine viral diarrhea (mucosal disease) is caused by

Answer 7

• pestivirus

Question 8

2 biotypes of bovine viral diarrhea

Answer 8

• noncytopathic

- cytopathic

Question 9

infection of calves infected during first 4 months of fetal development

Answer 9

• persistent infection

Question 10

infection of calves infected after first 4 months of fetal development

Answer 10

• abortion
• congenital malformations
• calves that have antibody against BVD

Question 11

mucosal disease (BVD) form and gross lesions

Answer 11

• highly fatal form
• ulcerations throughout oral cavity and GI
• mucosa over Peyer’s patches may be hemorrhagic and necrotic

Question 12

describe “hairy shakers” and what virus is it associated with

Answer 12

• congenital cerebellar cavitation and hypertrichosis

- border disease virus in sheep and goats

Question 13

what does infection of Johne’s disease occur in cows over 2 years

Answer 13

• progression to clinical disease occurs slowly

Question 14

Johne’s disease characterized by

Answer 14

• weight loss
• diarrhea
• hypoproteinemia in late phases

Question 15

2 common abomasal parasites

Answer 15

• haemonchus contortus

- ostertagia ostertagi

Question 16

which abomasal parasite can lead to hypoproteiniemia that leads to bottle jaw

• haemonchus contortus
• ostertagia ostertagi

Answer 16

• haemonchus contortus