(10) Mastitis IV

Question 1

(107)

Answer 1

(108)

Question 2

(109)

(antibiotics)

1. What % of antibiotic use on dairies associated with prevention or treatment of mastitis?
2. very few controlled clinical trials comparing mastitis treatments

Answer 2

1. 86%

Question 3

(110)

(Antibiotics)

1. Use on-label intramammary antibiotics for what types of bacteria?
2. What is extended duration is needed?

Answer 3

1. most gram positive cases

some gram positive cases

(cosider other cow and pathogen factors)

2. Spectramast and Pirsue (two products labeled for extended therapy)

(figure out how much you need to know from pic)

Question 4

(Systemic Antibiotics)

1. At least how much of grade 3 mastitis cases develop bacteremia?
2. look at pic
3. what drugs labeled for use in cattle with demonstrated efficacy in cows with clinical mastitis

Answer 4

1 1/3

3. Ceftiofur and oxytetracycline

Question 5

(113)

Answer 5

(114)

Question 6

(115)

(Oxytocin and Frequent Milk-Out)

1. what is this theory?
2. any evidence to support?

Answer 6

Question 7

(116)

(Supportive Care)

1. indicated in what grade mastitis cases?
2. also fluids - look at pic..

Answer 7

1. grade 3

Question 8

(117)

(Supportive Care)

1. Electrolytes - often off-feed, septic cows will be what?

so what is logical?

(Anti-inflammatory)

just look at pic

Answer 8

1. hypocalcemic

Ca supplementation

Question 9

(118)

Answer 9

(119)

Question 10

(120)