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− | *Outbreaks of listeriosis caused by ''L. monocytogenes'' seasonal and linked to silage feeding
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− | *Replicates in poor quality silage where the pH excedes 5.5
| + | ==Listeria monocytogenes== |
− | *Animals highly susceptible during pregnancy due to lowered cell-mediated immunity
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− | *Neural listeriosis:
| + | Outbreaks of listeriosis are caused by ''L. monocytogenes''. The outbreaks are seasonal and linked to silage feeding. |
− | **Incubation period 14-40 days
| + | Listeria monocytogenes replicates in poor quality silage, where the pH excedes 5.5. |
− | **Meningoencephalitis
| + | Animals are highly susceptible during pregnancy due to lowered cell-mediated immunity. |
− | **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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| [[Category:Listeria species]][[Category:Sheep]][[Category:Pig]][[Category:Horse]] | | [[Category:Listeria species]][[Category:Sheep]][[Category:Pig]][[Category:Horse]] |
| [[Category:To_Do_-_Bacteria]] | | [[Category:To_Do_-_Bacteria]] |