Effect of zinc deficiency on some hormones in rats

İn thls study, vve aimed to determine the effects of zinc deficiency on some hormonal parameters in rats. The in- vestigation was carried out on subjects which vvere 6-week-old Spraque Dawley rats. The first group of rats (n=9) vvere fed with a diet lack of zinc for 3 vveeks (n=10). The second group got a normal diet as Controls (n=10). At the end of three vveeks, zinc, grovvth hormone, free and total T3 and T4, TSH, free and total testosterone levels vvere determined in sera. On the vvhole, the data evaluated in the study indicated that zinc deficiency for 3 vveeks did not cause to any significant alteration in grovvth hormone and total T4 levels.. Hovvever, there vvas significant decline in free and total T3, free T4, TSH, free and total testosterone.