The study investigated the ameliorative effect of vitamin E on testicular parameters, semen characteristics and sperm morphology mature cocks fed Fumonisin B1 (FB1) contaminated diets. Twenty four weeks old 160 were used for 16 experiment. assigned to eight experimental diets, six diets contained varying inclusion levels FB1 with without E. Diets 2, 3, 4 10, 20, 30 mg kg-1 respectively while 6,...