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Actinobacillus species (view source)
Revision as of 18:02, 17 December 2007
, 18:02, 17 December 2007no edit summary
*12 serotypes causing the same disease
*12 serotypes causing the same disease
*Different serotypes in different regions, with serotypes 3,6 and 8 the most common in the UK
*Different serotypes in different regions, with serotypes 3,6 and 8 the most common in the UK
*
*Acute disease in susceptible herds with high morbidity and mortality
*Carrier herds have some immunity, protecting from acute disease, where lesions are often subclinical, and deaths sporadic
*Lung scarring and pleural adhesions in many recovered animals
*Solid immunity develops in recovered animals to all serotypes