Changes

===''Streptococcus equi subsp. zooepidemicus''===

===''Streptococcus equi subsp. zooepidemicus''===

*Causative agent [[Streptococci|''Streptococcus equi subsp. zooepidemicus'']]

*Causative agent [[Streptococci|''Streptococcus equi subsp. zooepidemicus'']]

*Can infect the respiratory tract ([[Nasal Cavity Inflammatory - Pathology#Infectious causes of rhinitis|nasal cavity]], [[Paranasal Sinuses Inflammatory - Pathology#Infectious causes of sinusitis|paranasal sinuses]], [[Trachea - inflammatory#Infectious causes of tracheitis|trachea]] and [[Bronchi and Bronchioles Inflammatory - Pathology#Infectious causes of bronchitis or bronchiolitis|bronchi/bronchioles]])

*Can infect the respiratory tract ([[Nasal Cavity Inflammatory - Pathology#Infectious causes of rhinitis|nasal cavity]], [[Paranasal Sinuses Inflammatory - Pathology#Infectious causes of sinusitis|paranasal sinuses]], [[Trachea Inflammatory - Pathology#Infectious causes of tracheitis|trachea]] and [[Bronchi and Bronchioles Inflammatory - Pathology#Infectious causes of bronchitis or bronchiolitis|bronchi/bronchioles]])

*URT infection can be indistinguishable clinically from Strangles, but does not cause suppurative lymphadenitis (cf: ''S.equi subsp. equi'')

*URT infection can be indistinguishable clinically from Strangles, but does not cause suppurative lymphadenitis (cf: ''S.equi subsp. equi'')

*An unclassified bacteria that can't be grown in culture

*An unclassified bacteria that can't be grown in culture

*Colonises ciliated epithelium in '''rodents''' and ruminants

*Colonises ciliated epithelium in '''rodents''' and ruminants

*Associated with [[Nasal Cavity Inflammatory - Pathology#Infectious causes of rhinitis|chronic lymphocytic rhinitis]], [[Trachea - inflammatory#Infectious causes of tracheitis|tracheitis]] and [[Bronchi and Bronchioles Inflammatory - Pathology#Infectious causes of bronchitis or bronchiolitis|bronchitis]]

*Associated with [[Nasal Cavity Inflammatory - Pathology#Infectious causes of rhinitis|chronic lymphocytic rhinitis]], [[Trachea Inflammatory - Pathology#Infectious causes of tracheitis|tracheitis]] and [[Bronchi and Bronchioles Inflammatory - Pathology#Infectious causes of bronchitis or bronchiolitis|bronchitis]]

*Clinical disease in '''rabbits''' and '''rodents'''

*Clinical disease in '''rabbits''' and '''rodents'''

*Subclinical disease in ruminants

*Subclinical disease in ruminants

***Caseous lesions, may calcify or be encapsulated

***Caseous lesions, may calcify or be encapsulated

***Multiple foci may coalesce

***Multiple foci may coalesce

***Ulcers in [[Trachea - inflammatory|trachea]] and [[Bronchi and Bronchioles Inflammatory - Pathology#Infectious causes of bronchitis or bronchiolitis|bronchi]] due to coughed up bacteria

***Ulcers in [[Trachea Inflammatory - Pathology|trachea]] and [[Bronchi and Bronchioles Inflammatory - Pathology#Infectious causes of bronchitis or bronchiolitis|bronchi]] due to coughed up bacteria

***Spreads into [[Pleural Cavity & Membranes Inflammatory - Pathology|pleura]]

***Spreads into [[Pleural Cavity & Membranes Inflammatory - Pathology|pleura]]

**Microscopically:

**Microscopically: