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. 2019 Dec;5(4):407-409.
doi: 10.1016/j.aninu.2019.05.003. Epub 2019 Jun 13.

Ginger extract enhances antioxidant ability and immunity of layers

Shengying An  1 , Guanzhong Liu  1 , Xin Guo  1 , Yahui An  1 , Renyu Wang  1
Affiliations

Ginger extract enhances antioxidant ability and immunity of layers

Shengying An et al. Anim Nutr. 2019 Dec.

Abstract

This experiment was to investigate ginger extract on production performance, antioxidant ability and immunity of laying hens. A total of 600 Hy-Line brown laying hens aged at 25 wk old were randomly divided into 2 treatments, 4 replicates per treatment, 75 layers each replicate. The control group hens were fed a basal diet; the experimental group hens were fed basal diets with 0.1% ginger extract. The results were shown as follows: 1) ginger extract significantly enhanced laying rates (P < 0.05) and daily egg weight (P < 0.05), substantially reduced the ratio of feed to egg (P < 0.05) of the hens; 2) ginger extract did not change the activities of glutathione peroxidase (GSH-PX) and total antioxidant capacity (TAOC) but significantly improved plasma superoxide dismutase (SOD) activity (P < 0.05), reduced malondialdehyde (MDA) content (P < 0.05) of the birds; 3) ginger extract did not affect the contents of serum total protein (TP), albumin (ALB), globulin (GLB), but significantly increased lysozyme (LZM) activity (P < 0.05); 4) ginger extract also significantly reduced plasma prostaglandin E2 (PGE2) content (P < 0.05). This study shows that ginger extract not only can improve the birds' antioxidant capacity, enhance immune function, but also has a potential of reducing inflammatory response.

Keywords: Antioxidant ability; Ginger extract; Immunity; Layers; Prostaglandin E2.

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