the findings of asymmetrical atrophy of pelvic limb extensor muscles , asymmetrical paresis of the limbs , a left : right dominance ratio of 50:50 , spontaneous rotational behaviour , decreased response to levodopa loading , and decreased levels of da ( 19 per cent reduction ) and dopac ( 30 per cent reduction ) in the striatum of affected sheep , were interpreted as indicative of a primary nigrostriatal dopaminergic disorder .
C0013030
da
C0282151
dopaminergic