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Pawan K. Verma, Yashwant Singh, Rajinder Raina, Jitender Kumar

Journal of Advanced Veterinary Research 2, 5-8

 Abstract

Stress is of major concern for poultry industry because it exerts deleterious effects on different parameters like feed intake, weight gain, etc. In present study various enzymatic components viz. superoxide dismutase (SOD), Catalase (CAT), glutathione peroxidase (GSH-Px) and non-enzymatic components like reduced glutathione (GSH), hemoglobin and stress induced cellular damage i.e. lipid peroxidation are estimated to access the stress level in Vanaraja chickens reared in different systems. Significantly (p<0.05) increased activities of catalase and SOD was observed in deep litter system as compared to cage and semi-intensive rearing system. However, non-significant change was observed in catalase and significant increase in SOD as the age progress. GSH-Px activity significantly lower (p<0.05) in the deep litter as compared to other two systems, however, the activity increases significantly (p<0.05) at 8th wks as compared to 4th wks. GSH level was found maximum in cage system compared to deep litter and semi-intensive system of rearing. Non-significant changes were observed in hemoglobin concentration during the study both between age groups as well as the age progresses. Increased level of blood glutathione, higher activity of GSH-Px, comparable activity of catalase and SOD in cage system as compared to deep litter and semi-intensive suggested that cage system is better in handling the stress induced by different environmental factors.

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