Application of Selenium Conjugated to Animal Protein in Laying Hens’ Diet for the Production of Selenium-Enriched Eggs

Qiu, Kai; Ma, Yulin; Obianwuna, Uchechukwu Edna; Wang, Jing; Zhang, Haijun; Qi, Guang‐hai; Wu, Shu‐geng

doi:10.3390/foods10061224

Cited by 9 publications

(4 citation statements)

References 51 publications

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“…The report showed that the selenium-enriched soybean peptides isolated from selenium-enriched soybean protein improved the immunomodulatory ability of cyclophosphamide-induced immunosuppressive mice ( 43 ). Several studies have shown that adding selenium supplements to the diet can improve the level of immunoglobulin via upregulation of SOD, CAT, and IgG in the serum of laying hens, indicating that selenium is a good immune regulator ( 39 , 43 , 44 ). This is consistent with our results that laying hens fed with 0.05 g/kg DCH showed a high level of SOD, CAT, and IgG, indicating that selenium-enriched DCH improved the immunity of hens as an economical feed additive.…”

Section: Discussionmentioning

confidence: 99%

Dregs of Cardamine hupingshanensis as a feed additive to improve the egg quality

Liu

et al. 2022

Front. Nutr.

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Natural plant herbs have many active compounds to prevent poultry diseases and improve poultry products. However, most herbs are supplied for human medicine. Thus, for economic and sustainable development purposes, the dregs of Cardamine hupingshanensis (DCH) were developed as a feed additive to improve the egg quality of laying hens in this work. Results showed that the contents of selenium in hen serum and eggs were increased under DCH feeding. Subsequently, DCH also promotes the antioxidant capacity and immunity of laying hens through the increase of superoxide dismutase (SOD), catalase (CAT), and immunoglobulin G (IgG) by ELISA detection. Finally, production performance and egg quality were further graded by monitoring the product condition and scoring the indexes of egg quality, which also displayed that DCH as a feed additive significantly improved the egg quality by enhancing yolk color, eggshell thickness, and egg shape index.

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Section: Discussionmentioning

confidence: 99%

Dregs of Cardamine hupingshanensis as a feed additive to improve the egg quality

Liu

et al. 2022

Front. Nutr.

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“…Intestinal villus height and crypt depth were measured according to previous report ( Qiu et al, 2021 ). Fixed intestinal tissues were dehydrated through a graded ethanol series (70–100%), then embedded in paraffin wax.…”

Section: Methodsmentioning

confidence: 99%

Dietary hydrolyzed wheat gluten supplementation ameliorated intestinal barrier dysfunctions of broilers challenged with Escherichia coli O78

Wen-yu²,

Kim

et al. 2022

Poultry Science

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This study aimed to investigate a protective effect of hydrolyzed wheat gluten ( HWG ) on Escherichia coli ( E. coli )-induced intestinal barrier dysfunctions in broilers. Broilers fed a basal diet unsupplemented or supplemented with HWG (0.5% or 1%) were intraperitoneally injected with either E. coli O78 suspension (10 8 CFU/mL) or equal volume of vehicle on d 18 of age. Blood and tissue samples were collected 3rd d post infection. The results showed that E. coli -infection increased immune-organ indexes of spleen and thymus, enhanced serum diamine oxidase ( DAO ) level, impaired ileal villus structure and reduced tight junction mRNA levels ( Occludin, Claudin-1, ZO-1, P < 0.05), while increased mRNA levels of inflammatory cytokines ( TNF-α, IFN-γ, IL-1β, IL-6, IL-8 ) and TLR4 in the ileum of broilers ( P < 0.05). The effects of E. coli O78 challenge on organ indexes of spleen and thymus, serum DAO level, mRNA levels of tight junctions were alleviated by 1% HWG supplementation, the upregulations of IL-1β and TLR4 were prevented by 0.5% HWG supplementation ( P < 0.05). In addition, increased IFN-γ of E. coli -infected broilers was abrogated by 0.5% or 1% HWG supplementation ( P < 0.05). In summary, dietary HWG supplementation ameliorated intestinal barrier dysfunctions triggered by E. coli -infection in the ileum of broilers. HWG supplementation might be a nutritional strategy to improve the intestinal mucosal barrier function of broilers.

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“…In same vein, biofortification of eggs with selenium, evidenced by high content of selenium in albumen have been explored (145)(146)(147)(148)(149). Other evidences showed that (Seenriched insect protein) (150) and selenium enriched yeast (148,151), enhanced albumen height and HU. Although selenium improved albumen indices (152), no significant difference in egg quality traits was found between the Se-diet and the control group in other studies (146,148,153).…”

Section: Trace Elements and Vitaminsmentioning

confidence: 99%

Natural Products of Plants and Animal Origin Improve Albumen Quality of Chicken Eggs

et al. 2022

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Albumen quality is recognized as one of the major yardsticks in measuring egg quality. The elasticity of thick albumen, a strong bond in the ovomucin-lysozyme complex, and excellent biological properties are indicators of high-quality albumen. The albumen quality prior to egg storage contribute to enhance egg’s shelf life and economic value. Evidence suggests that albumen quality can deteriorate due to changes in albumen structure, such as the degradation of β-ovomucin subunit and O-glyosidic bonds, the collapse of the ovomucin-lysozyme complex, and a decrease in albumen protein-protein interaction. Using organic minerals, natural plants and animal products with antioxidant and antimicrobial properties, high biological value, no residue effect and toxicity risk could improve albumen quality. These natural products (e.g., tea polyphenols, marigold extract, magnolol, essential oils, Upro (small peptide), yeast cell wall, Bacillus species, a purified amino acid from animal blood, and pumpkin seed meal) are bio-fortified into eggs, thus enhancing the biological and technological function of the albumen. Multiple strategies to meeting laying hens’ metabolic requirements and improvement in albumen quality are described in this review, including the use of amino acids, vitamins, minerals, essential oils, prebiotics, probiotics, organic trace elements, and phytogenic as feed additives. From this analysis, natural products can improve animal health and consequently albumen quality. Future research should focus on effects of these natural products in extending shelf life of the albumen during storage and at different storage conditions. Research in that direction may provide insight into albumen quality and its biological value in fresh and stored eggs.

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Application of Selenium Conjugated to Animal Protein in Laying Hens’ Diet for the Production of Selenium-Enriched Eggs

Cited by 9 publications

References 51 publications

Dregs of Cardamine hupingshanensis as a feed additive to improve the egg quality

Dregs of Cardamine hupingshanensis as a feed additive to improve the egg quality

Dietary hydrolyzed wheat gluten supplementation ameliorated intestinal barrier dysfunctions of broilers challenged with Escherichia coli O78

Natural Products of Plants and Animal Origin Improve Albumen Quality of Chicken Eggs

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