Contents : 1. Introduction 2. Structure of Teats and Udder and Mechanisms Of Milk Synthesis 3. Teat and Udder Defences against Mastitis 4. The Mastitis Organisms 5. Milking Machines and Mastitis 6. The Milking Routine And Its Effect On Mastitis 7. Teat Disinfection 8. The Environment and Mastitis 9. Somatic Cell Count 10. Bactoscan and Total Bacterial Count (TBC) 11. Targets and Monitoring 12. Treatment and Dry Cow Therapy 13. Summer Mastitis 14. Disorders of the Udder And Teats 15. Residue Avoidance in Milk 16. Best Practice Guides