Effect of dietary supplementation of pistachio green hull extract (PHE) on oocyst shedding (d 5, 7, 9, and 11 postinfection) in feces of Ross 308 male broiler chicks challenged with Eimeria species on d 25. NC: negative control (no challenged-no supplementation group); PC: positive control (challenged-no supplementation group); 200, 300, and 400 PHE: challenged and supplemented with 200, 300, and 400 PHE in the diet respectively). Data are presented as means ±SEM.