Study of the effect of cadmium on the testes of the fish Puntius ticto and the cal localization of the cadmium
Keywords:
Fish, Cadmium testes, Physiocemical parametersAbstract
When specimens of P. ticto were exposed dor 15 and 30 days to a safe cadmium acetate concentration , histo-physiological abnormalities were found in their testes. The changes included marked vacuolation of the cells in the seminiferous lobules and the deformation of the lobules themselves. The interstitial cells displayed necrosis . The sperm duct were thickened by fibrous tissues, so that its structure and function were affected. The gonadosomatic indexes in the treated group decreased significantly . The percentage of earlier spermatogenic cysts decreased , while the percentage of atertic apermatophore increased. Histochemical localization of calcium in the testes of P. ticto was also observed. The physiochemical parameters of the water were determined.
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