Veterinary Clinical Medicine-I (General and Systemic)

CALF DIPTHERIA - NECROTIC LARYNGITIS

• It is caused by Fusobacterium necrophorum and its  necrotizing edotoxin.
• Clinial Signs: moist, painful cough, severe inspiratory dyspnea with open-mouth breathing & head and neck extended, ptyalism, bilateral purulent nasal discharge, fetid breath odor, fever (106 F/ 41.1 C).
• Lesions: Necrotic ulcers of the larynx (behind vocal cords on vocal process of arytenoids).
• Diagnosis: based on History, Clinical Signs, Laryngoscope.
• Traetment: Sulfonamides, NSAIDS, isolation, & supportive therapy. Treat Early & Aggresively!