Evaluation of oxidative stress during adverse environmental conditions in Marwari sheep from arid tracts in India
Journal Title: Animal Biology & Animal Husbandry - International Journal of the Bioflux Society - Year 2012, Vol 4, Issue 2
Abstract
The purpose of the study was to evaluate oxidative stress during adverse environmental conditions in Marwari sheep breed, to monitor the health status. Six hundred and thirty animals were sampled belonging to arid tracts of Rajasthan, India during adverse environmental conditions including extreme hot and extreme cold. Oxidative stress was evaluated by determining serum catalase activities by basic colorimetric method in which serum was reacted with hydrogen peroxide for specific period of time. The control mean value of serum catalase was 66.90±2.01 kU L-1. Hot environmental condition resulted in a significant (p≤0.05) increase, whereas cold environmental condition caused a significant (p≤0.05) decrease in the mean value as compared to moderate or control. Rise in catalase level was maximum at the individuals of 2.5-4.5 years age group irrespective of gender, followed by male animals irrespective of age during hot environmental condition. As catalase is considered one of the endogenous antioxidant enzymes, it was concluded that its levels increased tremendously during extreme hot environmental condition probably to combat formed free radicals. Results pointed out towards the development of oxidative stress in extreme hot environmental condition as compared to cold environmental condition. Supplementation of antioxidants must be there during adverse environmental conditions to maintain proper health of these animals as oxidative stress is a prelude to many pathological conditions.
Authors and Affiliations
Ruchi Maan, Nalini Kataria
Keywords
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