CONTENTS 



CHAPTER PAGE 



I. The Udder of the Cow 1 



xinatomical and Physiological Review. 



II. Mastitis in General 6 



III. Mastitis Caused by External Force 8 



Injuries of the Udder — Wounds of the Udder. 



IV. Infectious Mastitis in General 12 



Ports of Infection — The Teat Canal as a Port of Infection — Udder 

 Wounds as Ports of Entrance^The Blood as a Port of Infection — 

 Infection of the Udder in General — Milk-infection — Stroma-infection. 



V. Types of Infection 36 



VI. Udder-streptomycosis 38 



Udder-infection — Milk-infection — Atypical Chronic Streptomy- 

 cosis — Stroma-infection. 



VII. Udder-staphylomycosis 54 



The Infectious Organism — Udder-infection — Milk-infection — Stroma- 

 infection. 



VIII. Udder-colibacillosis 62 



Infectious Organism — Udder-infection — Milk-infection — Stroma- 

 infection. 



IX. Udder-pyobacillosis 71 



Infectious Organism — Udder-infection — Stroma-infection. 



X. Udder-tuberculosis 87 



Infectious Organism — Udder-infection — Stroma-infection. 



XI. Udder- actinomycosis 106 



Infectious Organism — Udder-infection — Stroma-infection — Types. 



XII. Udder-necrobacillosis 117 



Udder-infection. 



XIII. Clinical Dlvgnosis of Mastitis 119 



Mastitis Caused by External Force — Udder-Infection — Infected 

 Udder-wounds — Genuine Udder-infections. 



ix 



