Cadmium exposure caused decrease in body weight and damaged liver and kidney of layer birds. There was significant reduction in all haematological parameters in cadmium exposed group. The antioxidant status of the body was also disturbed due to cadmium exposure for 29 days.
Curcuma longa (2 g/kg in feed) along with cadmium chloride showed mild protection against the toxic effects caused by cadmium in layer birds. It has shown potent antioxidant activity, hepatoprotective and nephroprotective activity against cadmium induced toxicity. Supplementation of this plant may protect tissues from the toxic effects of cadmium.