3.4. Balances of nutrientsThe intake of N, As and other minerals viz. Ca, P, Fe, Cu, Zn, Mn and Se and their metabolism in different groups are presented in Tables 3 and 4. It was observed that the N intake and its loss in faeces and urine as well as its balance were similar (P>0.05) among the three groups. However, intake of As was higher (P<0.05) in both the As supplemented (T2 andT3) groups as compared to control group. A significant increase was also observed in the excretion of As through faeces(P<0.05) and urine (P<0.05) as well as its apparent absorption (P<0.05) and retention (P<0.05) in both the As supplemented(T2 and T3) groups as compared to control group. While major route of excretion of As was urine in the control (T1) group,it was through faeces in both the As supplemented groups.
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