First , we assessed efficacy by means of egg ( ERR ) and adult worm reduction rate ( WRR ) of a single-oral dose of 450 mol active CPs ( CP450 ) against low ( inoculum of 300 eggs ) and high ( inoculum of 3,000 eggs ) intensity T. suis infections and compared the efficacy with those obtained after a single-oral dose of 400 mg albendazole ( ALB ) .