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| *Lesions are neither specific nor always significant (catarrhal / mucopurulent tracheobronchitis) | | *Lesions are neither specific nor always significant (catarrhal / mucopurulent tracheobronchitis) |
| *Enlarged tonsils and retropharyngeal lymph nodes | | *Enlarged tonsils and retropharyngeal lymph nodes |
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| + | *''B. bronchiseptica'' acts as a primary pathogen in Infectious canine tracheitis |
| + | *Frequently isolated from dogs with respiratory disease |
| + | *Often found with viruses or mycoplasma |
| + | *Adheres to ciliated epithelial cells in the trachea |
| + | *Colonisation and proliferation in trachea |
| + | *Releases toxins causing epithelial necrosis and prevents ciliary clearance |
| + | *Irritation to tract causes coughing |
| + | *Mortality rates low |
| + | *Peribronchial inflammation and [[Lungs Inflammatory - Pathology#Bronchopneumonia|bronchopneumonia]] |
| + | can result in unvaccinated puppies or immunosuppressed dogs |
| + | *Severe pneumonia following secondary infection e.g. with [[:Category:Streptococcus species|Streptococci]] |
| + | *Fatal [[Lungs Inflammatory - Pathology#Bronchopneumonia|bronchopneumonia]] if occurs secondary to [[Paramyxoviridae#Canine distemper virus|canine distemper virus]] |
| + | *Transmission via respiratory secretions by direct contact or aerosol and on fomites |
| + | *Clinical signs: |
| + | **Develop within 3-4 days; persist for up to 2 weeks |
| + | **Coughing |
| + | **Gagging |
| + | **Mild serous oculonasal discharge |
| + | *Treatments includes antibiotics if coughing persists or bronchopneumonia develops |
| + | *Live intranasal vaccines |
| + | *Also found in respiratory tract of cats; can cause pneumonia in kittens; vaccine available |
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| [[Category:Dog]] | | [[Category:Dog]] |
| + | [[Category:To_Do_-_Clinical]] |