Effects of hexavalent chromium on structure of liver, intestine and ovary of Zebra fish
Paper Details
Effects of hexavalent chromium on structure of liver, intestine and ovary of Zebra fish
Abstract
The study aimed to evaluate the effects of chromium (vi) on zebrafish’s liver, intestines and ovaries on the following days: day 5, day 10, day 20, day 30, respectively. The results showed that the longer the zebrafish exposed to chromium (vi) in water, the more chromium (vi) accumulated in the whole body. Analytical results showed that chromium (VI) accumulation concentration increased with the highest exposure time at day 30 (23.9±1.0mg/kg), this content was 4 times higher than day 5 (6.1±0.4).mg/kg), 3 times higher than day 10 (9.3±0.6mg/kg), 1.5 times higher than day 20 (17±0.8mg/kg). For the control batch, the ratio was 0%, indicating that the amount of chromium (VI) did not accumulate in the fish’s body. Based on the results, the damaged intestinal tissue structure increased over time while the adipose tissue decreased and the villi increased densely over time. The structure of zebrafish ovarian tissue changed and the proportion of lipid particles decreased when the fish were exposed to chromium (VI) concentrations for a long period of time. Beside that, the liver tissue structure appeared inflammatory foci and the inflammation became more severe with exposure time.
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