7- Mastitis

Question 1

What is mastitis

Answer 1

Inflammation and infection of the mammary gland

Question 2

When are cows are most susceptible to mastitis

Answer 2

Transition period - 3 weeks before/after calving)

Question 3

Environmental mastitis pathogens

Answer 3

Streptococcus uberis
Lots of gram -ve= E.coli
are opportunistic invaders

Question 4

Contagious mastitis pathogens

Answer 4

Staphylococcus aureus
Streptococcus agalactia
Streptococcus dysgalactiae

(Gram +ve)

Question 5

How are contagious mastitis pathogens spread

Answer 5

via milking procedure

Question 6

What is SCC and what can it be used for

Answer 6

Somatic cell count- diagnostic for mastitis

Question 7

What somatic cell count number indicates mastitis

Answer 7

> 200,00 cells/ml

Question 8

Name 2 control measures to reduce mastitis infections

Answer 8

Increases frequency of clean bedding and dry bedding
Full pre-milking disinfectant
Inplement full pre-milking teat disinfection routine