Porcine Exudative Epidermitis Study Guide
Overview and Clinical Importance
Exudative epidermitis (EE), commonly known as greasy pig disease, is a bacterial skin infection of pigs caused primarily by Staphylococcus hyicus. This condition causes extensive seborrheic dermatitis characterized by exfoliation, sebaceous exudation, and crust formation that may cover the entire body. The disease primarily affects young piglets from 5 to 60 days of age and can result in significant morbidity (10-90%) and mortality (5-90%) if left untreated.
EE occurs worldwide and is present in approximately 30% of sites with young pigs in the USA. The disease is particularly problematic in gilt litters and newly established SPF herds due to lack of maternal antibody protection. Understanding this condition is essential for NAVLE success as it represents a common clinical scenario in swine practice.
Etiology and Pathogenesis
Causative Agent
Staphylococcus hyicus is the primary causative agent. Key microbiological characteristics include:
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