Set 2

Question 1

Supernumerary teats

Answer 1

extra teats(lil nubblins)
birth anomaly
most do not open into a gland(non-functional) should be removed

Question 2

Mastitis

Answer 2

inflammation of the mammary gland
frequently associated with bacterial infections
most economically important disease on a dairy farm
number 1 reason for use of antibiotics in diary cows

Question 3

Why is the mammary gland so susceptible?

Answer 3

• mastitis causing organisms are common on the cow’s skin and in her environment
• milk is a difficult place for immune cells and antibodies to function
• blood-milk barrier- gland
• act of milking

Question 4

Clinical mastitis: mild, moderate and severe

Answer 4

mild
-flakes
-clots
-watery milk
-normal quarter
moderate
-abnormal milk
-swollen/hard quarter
severe
-abnormal milk
-quarter and systemically ill cow

Question 5

California mastitis test

Answer 5

a simple cowside test

-detergent in solution reacts with DNA in neutrophils to form gel

Question 6

Staph Aureus

Answer 6

contagious

• tends to establish chronic infections
• > 90% of herds have >1 infected cow
• poor response to antibiotics