AIM To evaluate the effect of heparinoid extracted from pig duodenum and proglylene glucol mannate sulfate (PGMS)oral adminitration on atherosclerosis (AS) induced by injecting noradrenaline (NA) intravenously in quails. METHODS Sixty quails were randomly divided into six groups: groupⅠ,normal control; groupⅡ, model control; group Ⅲ, heparinoid low dose (30 mg·kg -1 );groupⅣ,heparinoid high dose(150 mg·kg -1 );groupⅤ,PGMS low dose (30 mg·kg -1 );groupⅥ,PGMS high dose (150 mg·kg -1 ).Th...