Upper resp disease Flashcards
Nasal adenocarcinoma sheep virus
ENTV-1 (betaretrovirus)
Nasal adenocarcinoma goat virus
ENTV-2 (betaretrovirus)
Nasal adenocarcinoma invade
Locally but rarely metastasise
Nasal adenocarcinoma presents as
Unilateral swelling of the maxilla due to slow-expanding adenocarcinoma in the nasal cavity
Granulomatous rhinitis/sinusitis in s&g fungi
Zygomycete
Granulomatous rhinitis/sinusitis presents as
Unilateral swelling of the maxilla as well as exophthalmos, destruction of turbinated and ethmoid bone
Granulomatous rhinitis/sinusitis invades
Locally and disseminates to other organs e.g. lung, kidney, regional lymph nodes, heart
Nasal myiasis sheep parasite
Oestrus ovis larvae
Laryngeal chondritis pathogenesis in s&g
Chronic suppurative & necrotising lesion in laryngeal cartilage leads to partial occlusion of lumen > Increased insp effort > mucosal oedema, further swelling > Death due to hypoxia
Infectious bovine rhinotracheitis cow virus
Bovine herpesvirus-1
Malignant catarrhal fever cow virus
Ovine herpesvirus-2
Necrotic laryngitis/laryngeal necrobacillosis/calf diphtheria cow bacteria
Fusobacterium necrophorum
Calf diphtheria predisposes cows to
Aspiration pnemonia
Nasal actinobacillosis cow bacteria
Thickened mucus due to Actinobacillus ligneresii
Diseases of the upper respiratory tract in horses
Nasal squamous cell carcinoma, Ethmoid haematoma and Necrotising sinusitis