Introduction

Caseous Lymphadenitis:

Caseous lymphadenitis (CLA). This is a chronic disease of sheep characterised by the formation of abscesses in lymph nodes due to infection with Corynebacterium pseudotuberculosis. Infection occurs during shearing, docking etc with contamination of wounds from purulent discharges from ruptured lymph nodes. The organism is long lived in the environment. The sheep usually are not systemically ill and lesions are commonly found as incidental findings at the abattoirs.

Cases

Review Questions

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