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Adaptation to oxidative stress and impact of chronic oxidative stress on immunity in heat-stressed broilers

2012-09-11 642

Adaptation to oxidative stress and impact of chronic oxidative stress on immunity in heat-stressed broilers

Abstract 1. Glutathione peroxidase activity and serum malondialdehyde of heat-stressed broilers were increased in the early period of heat exposure, and then these parameters decreased. 2. The lesion scores of bursa of Fabricius in heat-stressed broilers were increased and decreased in accordance with the activity of glutathione peroxidase and serum malondialdehyde. 3. High environmental temperature had not affected relative bursa of Fabricius weight and NDV-HI titer of heat-stressed broilers. 4. We concluded that heat-stressed broilers could adapt to oxidative stress, and environmental temperature set at 38±2 °C had not affected humoral immunity. Keywords: Glutathione peroxidase activity; Malondialdehyde; NDV-HI titer; Humoral immunity; Bursa of fabricius; Oxidative stress; Lipid peroxidation; Heat-stressed broiler; Adaptation; Heat stress

Authors : S. Pamok, W. Aengwanich and T. Komutrin,,,,,,,,,
Book /Journal Title : ;0000 / /

 

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