The maintenance of reduced glutathione (GSH) content in camel's erythrocytes is essential for their viability as this tripeptide protects the cell components from oxidative damage. The reduced glutathione level has been estimated in four different breeds of Arabian camel; Majaheem, Sofor, Shaele and Wodoh, in each breed 15 female ( 5 under 4 years , 5 from 4 to 10 years and the other over 10 years) and 15 males ( 5 under 4 years , 5 from 4 to 10 years and the other over 10 years) were used all females of 5-10 years group were non lactating pregnant and the other were nether pregnant nor lactating The overall GSH level in camels was found as 6.7± 0.37 mmol/gHb, with the highest concentration in the Majaheem ( 8.6 ± 0.4 mmol/gHb) , and lowest in Shaele (5.13 ± 0.3 mmol/gHb) breeds. The effect of breed was found to be a significant on glutathione level. Higher levels of GSH were found in mature adult as compared with immature and aged. Aged animals showed a higher level of GSH if compared with immature. Males of all breeds in all ages have a significant higher RBCs GSH concentration than females. in conclusion, the RBCs GSH concentrations were varied with in the Arabian camel breed, sex and age.
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