Production Animal Clinical Toxicology

Plants | Epidemiology | Pathogenesis

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Plants

• Melilotus alba - sweet clover
• Melilotus indica - Hexham scent/King Island melilot

Epidemiology

• no confirmed cases in Australia although one report in SA in 1961
• in North America and Europe

Pathogenesis

• mouldy silage, hay
• coumarin converted into highly toxic dicoumarol that interferes with prothrombin synthesis
• haemorrhagic diathesis primarily in cattle