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| | {{review}} | | {{review}} |
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| − | {{toplink
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| − | |backcolour =
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| − | |linkpage =Bacteria
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| − | |linktext =BACTERIA
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| − | |pagetype=Bugs
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| − | <br>
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| | ===Overview=== | | ===Overview=== |
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| | ===Clinical infections=== | | ===Clinical infections=== |
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| − | *Outbreaks of listeriosis caused by ''L. moncytogenes'' seasonal and linked to silage feeding
| + | [[Listeria monocytogenes]] |
| − | *Replicates in poor quality silage where the pH excedes 5.5
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| − | *Animals highly susceptible during pregnancy due to lowered cell-mediated immunity
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| − | *Neural listeriosis:
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| − | **Incubation period 14-40 days
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| − | **Meningoencephalitis
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| − | **Dullness, circling, head tilt, facial paralysis, drool saliva, droop of eyelid and ear
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| − | **Exposure keratitis
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| − | **Fever during early stages
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| − | **Recumbency and death within a few days in sheep and goats
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| − | **Abortion up to 12 days after infection in cattle; usually recover but may get septicaemia
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| − | *Septicaemic listeriosis:
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| − | **Incubation period 2-3 days
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| − | **Lambs and occasionally pregnant sheep
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| − | **Occurs in newborn piglets, foals, poultry, adult sheep
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| − | *Keratoconjunctivitis in cattle and sheep - direct contact with silage via eye
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| − | *Pneumonia, myocarditis, enodcarditis
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| − | *Zoonosis - consumption of contaminated unpasteurised milk; memingitis and meningoencephalitis; abortion
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| | *''L. ivanovii causes sporadic abortion in sheep and cattle | | *''L. ivanovii causes sporadic abortion in sheep and cattle |
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| | *Sub-conjuntival antibiotics and corticosteroids for ocular listeriosis | | *Sub-conjuntival antibiotics and corticosteroids for ocular listeriosis |
| | *Avoid poor quality silage and discontinue silage-feeding in an outbreak | | *Avoid poor quality silage and discontinue silage-feeding in an outbreak |
| | + | [[Category:Bacteria]][[Category:Gram_positive_bacteria]][[Category:Rods]] |