Changes in metal contents in toad tissues after manganese loading

ABSTRACT

The effect of manganese [0.03, 0.30 or 3.00 mg Mn[+2]/Kg], administered subcutaneously to male toads for three months, on mineral dispositions [Mn, Ca, Fe, Cu Mg, Zn, and inorganic phosphate] in blood, liver and kidney were examined. After this time of exposure, significant increases in Mn levels in the three tissues were observed. While Ca and Fe contents were reduced in the blood, liver and kidney, Ca content was increased only in the blood and reduced in the others. No alterations were found in other parameters