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Abstract The studies in the present investigation were made on the addition of zinc and vitamin E either separately or in combination to the diet of two months old New Zealand white rabbits. No significant change was observed in the average daily weight gain of males but females showed significant results and greater than males. Supplementation of zinc resulted in significant lower values of serum hematocrite, hemoglobine , large lymphocyte (in males) and serum FSH in both sexes and higher significant values in total erythrocyte count, non-segmented neutrophiles, monocyte (in males) and serum LH (in females) and serum zinc inboth sexes. Values of hematocrite, hemoglobine, non segmented neutrophiles, monocyto and serum total cholesterol, FSH, LH, zinc and vitamin E showed significant sexual difference. Supplementation of vitamin E resulted in significant lower values of total leucocyte count, small lymphocyte (in females), large lymphocyte, (in males), and higher values of heart rate, monocyte (in females), small lymphocyte (in males), and serum zinc in females and serum FSH, LH, vitamin E in both sexes. Value of monocyte, serum FSH, zinc showed significant sexual difference. Supplementation of both zinc and vitamin E together resulted in significant lower of total erythrocyte and leucocyte, small lymphocyte (in females) and large lymphocyte in both sexes and higher values of heart rate, blood pressure, non segmented neutrophils and serum FSH (in females) and serum LH, zinc, vitamin E in both sexes. Value of small lymphocytes and serum FSH showed significant sexual difference. |