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, 15:39, 28 July 2011
<FlashCard questions="8">
|q1= What agent causes IBK?
|a1= Bacterial pathogen Moraxella bovis.
|l1= Infectious Bovine Keratoconjunctivitis#Introduction
|q2= By what other names is the disease known?
|a2=
*New Forest Eye
*Pink Eye
*Blight
|l2= Infectious Bovine Keratoconjunctivitis
|q3= At what time of year is it most common and why?
|a3= In the Summer and Autumn
*Higher numbers of its fly vector in the warmer months
*Irritation by dust and sunlight predisposes eyes to infection
|l3= Infectious Bovine Keratoconjunctivitis#Distribution
|q4= How does the bacterium damage the cornea of the eye?
|a4= It secretes β-haemolysins and other enzymes which degrade the corneal epithelium.
|l4= Infectious Bovine Keratoconjunctivitis#Pathogenesis
|q5=What is the usual clinical presentation?
|a5=
*IBK is very painful so animals often blepharospasm and are photophobic
*Lacrimation increases
*The conjunctiva is congested, oedematous and reddened
*Animals may stop eating and lose weight or milk yield
|l5= Infectious Bovine Keratoconjunctivitis#Clinical Signs
|q6= Do animals with IBK become bacteraemic?
|a6= No – the infection is confined to the eye.
|l6= Infectious Bovine Keratoconjunctivitis#Diagnosis
|q7= From what and on what media can the organism be cultured?
|a7=
*From lacrimal swabs
*On media enriched with blood or serum
|l7= Infectious Bovine Keratoconjunctivitis#Diagnosis
|q8= What is the best method for administration of antibiotics?
|a8= Sub-conjunctival injection
|l8= Infectious Bovine Keratoconjunctivitis#Treatment
</FlashCard>
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