Role of vitamin A in the regulation of some aspects of cadmium toxicity in Clarias batrachus

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Heavy metals have been causing havoc to the environment and recently there has been an exponential increase in the casualty of life due to these pollutants. In today's industrial society there is no escape from exposure to toxic chemicals and metals, hence there is a constant increase in demand for more information and monitoring the effects of heavy metals on plants, animals and human beings. In the present study effects of cadmium chloride on certain parameters of Clarias batrachus such as body weight, serum cholesterol, behavioral activities, GSI and HSI have been investigated in order to find out the possible protective role of vitamin A in attenuating the heavy metal toxicity. It has been found that vitamin A clearly blocks the toxic effects of cadmium in Clarias batrachus. The paper discuses some aspects of vitamin A in counteracting the toxicological effects of cadmium.

Cadmium chloride; gonado somatic index; Hepato somatic index