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Open Access Effects of ginger root (Zingiber officinale) on egg yolk cholesterol, antioxidant status and performance of laying hens

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To investigate the effect of ginger root powder on egg production, cholesterol, antioxidant and hen performance, 100 30-week-old laying hens (Hy-Line W36) were equally and randomly assigned to four diets for 8 weeks. The diets included a control diet (0.0% ginger) and diets with 0.25, 0.5 or 0.75% ginger root powder. Although, the egg weight, feed intake and feed conversion ratio were not (P<0.05) influenced by ginger root supplementation, the egg production was higher and cholesterol lower (P<0.05) in birds fed diet with 0.5 or 0.75% ginger root compared to control birds. Ginger powder concentrations of 0.5 or 0.75% g (P<0.05) increased activities of glutathione peroxidase but reduced malondialdehyde content in the plasma. It is concluded that the use of 0.5% ginger root in diet may positively increase egg production and lower egg cholesterol without any adverse effect on egg weight and feed conversion ratio.
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Keywords: cholesterol; ginger root (Zingiber officinale); laying hens; performance

Document Type: Research Article

Affiliations: 1: Center of Excellence in the Animal Science Department, Ferdowsi University of Mashhad, Mashhad, Iran 2: Department of Animal Science, Faculty of Agriculture, University of Kurdistan, Sanandaj, Iran 3: Department of Animal Science, Faculty of Agricultural Sciences and Engineering, University of Tehran, Karaj, Iran

Publication date: March 1, 2011

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