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*Modified live vaccines reduce clinical signs but do not prevent infection or shedding
 
*Modified live vaccines reduce clinical signs but do not prevent infection or shedding
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===''Chlamydophila pecorum''===
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*Neurological disease
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*Common intestinal infection of cattle
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*Sporadic bovine encephalomyelitis:
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**Usually in cattle under 3 years
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**Fever, incoordination, depression, excessive salivation, diarrhoea
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**Recumbency and opisthotonos before death
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**Up to 50% mortality
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**Vacular damage in brain
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**Serofibrinious peritonitis
    
===Diagnosis===
 
===Diagnosis===
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