Infectious Bovine Keratoconjunctivitis (Pinkeye)

Question 1

what causes pink eye in cattle?

Answer 1

moraxella bovis (sometimes chalmydia, bovine herpesvirus, mycoplasma)

Question 2

what is the biggest factor regarding transmission of bovine pink eye

Answer 2

environmental factors:

excessive sunlight: lack of pigment around the eye making the eye sensitive

Flies: house fly (musca domestica) and face fly

Dust & plant material: irritants in air, plant awns, etc

Question 3

besdies conjunctivitis, what ocular lesions is often present with pinkeye?

Answer 3

central corneal ulcer

Question 4

IBK is more commonly seen in what time of year

Answer 4

summer and fall (more flies)

Question 5

clinical signs of IBK include

Answer 5

YOUNG CATTLE usually, conjunctivitis, blepharospasm, epiphora, central corneal ulcer, blindness due to ulcer, decreased milk production,

Question 6

what diagnostic could you do to confirm a diagnosis of IBK?

Answer 6

conjunctival swab +/- lacrimal secretion for culture

Question 7

how can IBK be treated?

Answer 7

systemic oxytetracycline most commonly

others: ceftiofur injection, penicillin, florfenicol, tulathromycin

Question 8

how is IBK prevented?

Answer 8

reduce flies and environmental irritants, breed for pigment around the eyes, be sure to vaccinate for BVD and IBR

NO VACCINE