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Moraxella spp
Stack #37226
| Question | Answer |
|---|---|
| morphology of moraxella | short, plump, gram neg rods, often in pairs |
| what is the habitat of moraxella bovis | conjunctiva and nasopharynx of older cattle |
| is moraxella saprophytic or commensal | commensal |
| what dz is caused by moraxella bovis | Infectious Bovine Keratoconjunctivitis |
| what is another name for infectious bovine keratoconjunctivitis | pinkeye or infectious ophthalmia |
| how is m bovis transmitted | directly or by flying insects |
| what are the bacterial factors of moraxella bovis | pili, hemolysin, leucotoxin, endotoxin, hyaluronidase, collagenase |
| what are the host factors of moraxella bovis | age (<2yrs, young) , breed (white face), infections within herd |
| what environmental factors affect moraxella bovis | sunlight, dust, vegetation, flies, vitamin A deficiency |
| what are signs of infectious bovine keratoconjunctivitis (in order of appearance) | lachrymation-blepharospasm-conjunctivitis-keratitis-corneal ulceration and opacity |
| how long does IBK take to heal | healing over 2-3 weeks |
| how is moraxella bovis diagnosed in the lab | culture |
| what are the 3 methods of treating IBK with antibiotics | topical ointment, systemic, subconjunctival |
| besides used of antibiotics, what else is a treatment of moraxella bovis | treat other infections such as nematodes |
| how can moraxella bovis be controlled | segregate infected, shade, fly control, supplement vitamin A, vaccine |
Created by:
pferdyvet
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