This study was conducted to assess the possible effects of zinc oxide (ZnO) and nano zinc oxide (nZnO) on growth performance as well as the level of Ca, P, Fe, Cu and Zn in Markhoz goat kids blood samples. Thirty 5-6 months male Markhoz goat kids were supplemented with 22.12 mg of Zn/ kg DM as basal diet for 70 days. Zinc was administered at daily doses of zero, 20 and 40 ppm in ZnO group , and 20 and 40 ppm in nZnO group by adding to their basal diet. Animals were weighed fortnightly to obtain average daily gain (ADG).
