• Inflammation of mammary gland
• Recognized by redness, swelling and fever in dairy cow udder.

a) Etiology:

• Streptococcus aureus , S. agalactiae, S. uberis

b) Symptoms:

• Swelling of udder, redness or pain
• Water appearance, flakes, clots or pus in milk
• Reduction in milk yield
• Increase in body temperature, lack of appetite
• Signs of diarrhea and dehydration

c) Diagnosis:

• Signs of inflammation
• Empty udder
• Unbalanced quarters
• California mastitis test

d) Control and treatment:

• Identify and treat clinical cases
• Post milking teat disinfection
• Routine maintenance of milking machine
• Vaccination
• Antibiotic therapy
• Culling infected animal