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Bacterial skin infections - Pathology (view source)

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**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====

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