The Condition

General

Polioencephalomalacia or cerebrocortical necrosis (CCN) is a common neurological disease  It is an acute disease of ruminants, characterised by dullness, head pressing, blindness, opisthotonos, nystagmus and paddling movements of the limbs. Convulsions and death soon follow. Pathologically, it is characterised by brain swelling and laminar necrosis of the cerebral cortex, resulting . . . → Read More: Cerebrocortical Necrosis (CCN) in Dairy Cattle