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Research Articles

Evaluating the protective effects of vitamin E and selenium on hematology and liver, lung and uterus histopathology of rabbits with cypermethrin toxicity

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Pages 236-241 | Received 24 Mar 2018, Accepted 29 Aug 2018, Published online: 09 Oct 2018
 

Abstract

The objective of this study was to determine the efficacy of vitamin E and selenium as protective agents against cypermethrin (CY)-induced toxicity by evaluating hematology parameters along with liver, lung and uterus histopathology of female rabbits. Thirty female rabbits were randomly divided into five equal groups with six animals in each group (designated A, B, C, D and E). Animals in group A were control animals that did not receive CY, vitamin E, nor selenium. Animals in groups B–E were injected intraperitoneally with CY at 75 mg/kg body weight once every5 days over a 32 day period, while animals in the control group received saline. Animals in group C were also given vitamin E (150 mg/kg b.wt) orally and animals in group D were given selenium (0.45 mg/kg b.wt) orally. Group E was given both vitamin E at a dose of 150 mg/kg and selenium at a dose of 0.45 mg/kg. In group B (CY only), the values of PCV were decreased at the 12th day of gestation when compared to group A. The mean value of PCV was significantly higher in group E on the 12 and 24th day when compared to the other groups. The mean values of hemoglobin (Hb) were not significantly different among groups on the 12th and 24th day of gestation. On the 12th day of the gestation period, there were nonsignificant differences in the total number of erythrocytes among all the groups. However, on the 24thdayof the gestation period, there was a significant decrease in the total number of erythrocytes in group B compared to the control group. Total leukocytes were also increased in the animals of group B on the 12th day of gestation, whereas the total leukocytes were increased on the 24th day of gestation in all groups (A–D) compared to control. Histopathological studies of tissues of liver, lungs and uterus revealed that CY altered the normal parenchyma of these tissues and this was partially ameliorated by the vitamin E and selenium treatments. In conclusion, combined use of vitamin E and selenium partially ameliorated the toxicity of CY in female rabbits.

Disclosure statement

All the authors have no conflict for the publication of this article.

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