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, 16:02, 21 February 2011
*Caused by ingestion of grains or grass contaminated by fungus ''Claviceps purpurae''
*Affects especially cattle
*Toxic alkaloids damage capillary endothelium, peripheral arterial and venous constriction -> thrombosis and possible tissue ischaemia
*Clinical signs develop about a week after consumption
*Grossly:
**Red and swollen extremities
**[[Necrosis - Pathology#Dry Gangrene|Dry gangrene]] may develop on pinnae and tail
[[Category:Integumentary System - Chemical Damage]]