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Ameliorative Effect of Dietary Glutamine on Antioxidant Capacity of Broiler Chicks During Starter Phase Under Cold Stress

Ameliorative Effect of Dietary Glutamine on Antioxidant Capacity of Broiler Chicks During Starter Phase Under Cold Stress

Wenfang Lou1,2, Wenhao Wu1, Haoneng Guo1,2, Shuangshuang Xiao3
Rifat Ullah Khan4, Xianhua Zhang 1, Guanhong Li2 and Sifa Dai 1*

1Department of Pharmaceutical and Life Sciences, Jiujiang University, Jiujiang, China
2College of Animal Science and Technology, Jiangxi Agriculture University, Jiangxi Province Key Laboratory of Animal Nutrition, Engineering Research Center of Nutritional Feed Development, Nanchang, China 
3College of Animal Science, Anhui Science and Technology University, Fengyang, China
4College of Veterinary Sciences, The University of Agriculture, Peshawar, Pakistan
 
Wenfang Lou and Wenhao Wu contributed equally to this work.
 
*      Corresponding author: daisifa-004@163.com

ABSTRACT

This study investigated the effect of glutamine (Gln) on antioxidant capacity of cold-stressed chicks. A total of 192 1-day-old Arbor Acres (AA) broilers were divided into 4 groups: group I was fed basic diet, groups II, III, and IV were fed with addition of 1.0%, 1.5%, and 2.0% Gln. The house temperature was maintained at 25 ± 2 ℃. Compared with group I, on day 7, the activities of catalase (CAT) and glutathione peroxidase (GSH-PX) in serum and jejunum, GSH-Px in duodenum of group II, the CAT and GSH-Px activities in ileum of group III, the GSH-PX and total antioxidant capacity (T-AOC) activities in jejunum in group IV were increased (P < 0.05). The malonic dialdehyde (MDA) content in serum was decreased (P < 0.05). On day 14, the jejunum CAT and superoxide dismutase (SOD) activities in group II were increased (P < 0.05), and the serum MDA content was reduced (P < 0.05). CAT activity of jejunum and ileum, and GSH-PX activity of serum and jejunum were increased in group III (P < 0.05). The jejunum GSH-PX activity was increased in group IV (P < 0.05). The experiment confirmed that adding Gln to the diet can improve the antioxidant capacity of cold-stressed chicks.

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Pakistan Journal of Zoology

October

Pakistan J. Zool., Vol. 56, Iss. 5, pp. 2001-2500

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