Term
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Greasy pig disease
Staphylococcus hyicus
6 serotypes, each with own toxin
Epidemiology
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Definition
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Epidemiology
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Common, all countries
Piglets 1-5w
Self-limiting outbreak
HIGH MORBIDITY
HIGH MORTALITY
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Term
Greasy Pig Dz
Clinical Signs |
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Definition
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Clinical signs
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Piglets: acute exudative dermatitis --> can be fatal
Adults: chronic; thin pale brown (copper color) exudates on skin
Face/ears/nose --> spread
Anorexia, dehydration
NO FEVER, NO PRURITIS
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Term
Greasy Pig Dz
Pathogenesis |
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Definition
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Pathogenesis
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Present in gilt vagina --> transmitted during farrowing --> dermal exposure
Exfoliative toxin (heat labile, antigenic) --> exfoliation + crusts
Epidermis: exfoliation, crusts, acanthosis
Dermis: perivascular inflammation
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Term
Greasy Pig Dz
Clinical Sign |
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Definition
CS: exudative dermatitis
Culture + sensitivity
Response to abx helps differ b/t strains |
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Term
Greasy Pig Dz
Treatment and Control |
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Definition
Best EARLY
Parenteral abx (problem with resistant strains)
Teeth clipping
Soft dry bedding
Sanitation
Disinfection
Avoid mixing litters
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Term
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Swine erisypelas
Erysipelothrix rhusiopathiae
“Diamond Skin Dz”
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Epidemiology |
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Definition
3mo-3yr (others immune- maternal antibodies)
Domestic pig carriers
Factors: aflatoxin in feed, stress, nutrition, temp. soil |
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Term
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Definition
Contaminated feed and water --> infection
Acute: bacteremia
Nonsystemic form: skin only |
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Term
| Erysipelas Clinical Signs |
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Definition
Acute: skin erythema, sudden death, septicemia + FEVER (104-108F)
Chronic: DIAMOND-SHAPED SKIN LESIONS (2-3d PI), nonsuppurative arthritis
Severe acute: hemolysis |
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Term
| Erysipelas Diagnosis Treatment Control |
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Definition
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CS: systemic signs + skin lesions
Acute: isolation from lungs, spleen, kidney
Chronic: isolate from joints
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Penicillin in acute (kills gram +)
Chronic: no tx
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Vx during outbreak
Sows: vx @ selection + 4w pre-farrow
Cull carriers
Sanitation
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Term
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Swine pox
Poxviridae
Louse-borne dermatitis
Epidemiology
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Definition
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Worldwide
3mo most susceptible
Adults = mild form
Not economically important but HIGH MORBIDITY |
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Term
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Definition
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Vector: pig louse (Hematopinus suis)
Entry via skin abrasions --> incubation 4-14d
ONLY skin involved
Good immunity post-infection |
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