Lecture 21: Ruminant Respiratory Diseases (MacKay)

Question 1

Functional respiratory anatomy includes:

Answer 1

• well developed lung lobes, lobation
• small total alveolar surface area
• extensive lymphatic drainage

Question 2

Which side of lungs dominant in ruminants?

Answer 2

R

Question 3

calf diphteria aka

Answer 3

oral necrobacillosis (infection of the soft tissue of the oral cavity)
necrotic laryngitis (infection of the soft tissue of the laryngeal mucosa)

Question 4

CS of calf diphteria

Answer 4

-fever
-anorexia
-excessive salivation
-halitosis (bad breath)
-moist painful cough if larynx affected
+/- inspiratory dyspnea

Question 5

infectious agents of calf diphteria

Answer 5

Fusobacterium necrophorum

Trueperella pyogenes

Question 6

tx of calf diphteria

Answer 6

penicillin, NSAIDs (effective as long as larynx isn’t affected)