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Bacterial skin infections - Pathology
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Revision as of 23:06, 14 May 2010
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23:06, 14 May 2010
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**Multilaminated crusts, alternating keratin and inflammatory cell layers
**Multilaminated crusts, alternating keratin and inflammatory cell layers
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====Greasy pig disease====
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====
[[
Greasy pig disease
]]
====
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* = '''Exudative epidermitis of pigs'''
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*Caused by [[Staphylococcus spp.#Staphylococcus hyicus|''Staphylococcus hyicus'']]
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*Affects neonatal piglets - often fatal, older piglets - milder disease
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*Focal erosion of stratum corneum
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*Brown exudate
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*Dermatitis around eyes, ears, snout, chin and medial legs, may spread to ventral abdomen and thorax
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*Rapidly becomes generalised -> greasy exudate over red skin -> hardened, cracked exudate
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*In older piglets, milder localised disease develops around eyes, ears and face
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*Grossly:
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**Thickened epidermis, scaling
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*Microscopically:
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**Early - subcorneal pustular dermatitis extending to hair follicles -> superficial suppurative folliculitis
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**Late - hyperplastic epidermis, thick keratin crusts with cocci, microabscesses
====Ovine fleece rot====
====Ovine fleece rot====
Bara
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