engleski

Comparison of epizootiological and clinical features of caseous lymphadenitis and Morel's disease in goats

Morel's disease and caseous lymphadenitis of sheep and goats are caused by Staphylococcus aureus subsp. anaerobius and Corynebacterium pseudotuberculosis, respectively. Both diseases have similar epizootiology and are characterized by abscess formation in or near major superficial lymph nodes. Those similarities in clinical picture along with the fact that caseous lymphadenitis is better known and more common disease result in frequent misdiagnosis of the disease. In this work, the clinical and epizootiological findings of Morel's disease and caseous lymphadenitis were evaluated and compared in two naturally infected goat herds. All animals in both herds were clinically examined by inspection and palpation for presence of abscesses. Epizootiological data and clinical features including localization, number and size of the abscesses were recorded and compared. The study has shown that both diseases in early epizootic stage equally affect both young and adult goats. Main differences in the clinical picture were related to smaller average number and size of abscesses per animal in caseous lymphadenitis. However, these differences are insufficient to distinguish individual cases thus isolation and identification of causative agent is still needed to confirm the diagnosis.

caseous lymphadenitis ; Morel’s disease ; goats ; epizootiology ; clinical picture

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