INFECTIOUS MASTITIS IN GENERAL 33 



II. Udder-infection in general. 

 A. Milk-infection, 

 Definition. 

 Ports of infection: primary milk-infection, infection 



through the teat canal or through wounds. 

 Secondary milk-infection is one following stroma in- 

 fection. 



1. Local conditions. 



A. Primary lesion. 



Quantity: circumscribed or diffuse. 



Circumscribing factors of a physical and 

 biological nature. 

 Quality: Superficial necrosis. 



Deep necrosis. 



Nodular necrosis. 



Diffuse necrosis. 

 Alterations of the milk. 



B. Inflammation. 



Quantity: circumscribed, diffuse. 



Quality: catarrhal-purulent. 



Croupous-purulent. 



Sequestrating-purulent. 



Alterations of the milk. 



Complication with saprophytic invasion. 



Alterations of the milk. 



2. General conditions. 



A. Blood-infection. 



B. Intoxication. 



Septic-intoxication. 

 Septic-putrid intoxication. 

 Termination: relative health: seldom death. 

 B. Stroma-infection. 

 Definition. 



1. Stroma-infection of an acute character. 

 Ports of infection. 



Primary stroma-infection : wounds, seldom blood- 

 infection ; secondary stroma-infection : internal 

 wounds following a milk-infection. 

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