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    Title: Effects of Deinococcus spp. supplement on egg quality traits in laying hens
    Authors: Li, I-Chen
    Wu, Szu-Yin
    Liou, Jenn-fa
    Liu, Hsiao-Hui
    Chen, Jiau-hua
    Chen, Chin-Chu
    Contributors: Grape King Bio Ltd
    Council Agr, Livestock Res Inst, Physiol Div
    Chia Nan Univ, Dept Food Sci & Technol
    Natl Taiwan Univ, Inst Food Sci & Technol
    Shin Chien Univ, Dept Food Sci Nutr & Nutraceut Biotechnol
    Natl Hsin Chu Univ Educ, Dept Appl Sci
    Natl Changhua Univ Educ, Inst Biotechnol
    Chung Yuan Christian Univ, Dept Biosci Technol
    Keywords: Deinococcus
    feed additive
    yolk color
    Date: 2018-01
    Issue Date: 2019-11-15 15:47:10 (UTC+8)
    Publisher: OXFORD UNIV PRESS
    Abstract: To counter the ill effects of synthetic dyes, bacterial pigment production as an alternative is now one of the promising and emerging fields of research. This study was conducted to evaluate the applicability of Deinococcus genus on the egg quality traits in laying hens. In study I, 24 single comb White Leghorn layers were fed with various 1 wt % Deinococcus bacterial strains for 10 d. In study II, 84 brown Hendrix layers were fed with one of 4 diets containing 0, 0.2, 1, or 5 wt % Deinococcus sp. GKB-Aid 1995 powder for 12 wk. In study III, 60 White Leghorn laying hens were fed either with or without 1 wt % Deinococcus sp. GKB-Aid 1995 powder, 1 wt % Deinococcus sp. GKB-Aid 1995 granules, or 1 wt % Deinococcus sp. GKB-Aid 1995 oily granules for 10 successive d. In all of the experiments, feeding Deinococcus powder did not affect egg quality traits except for the yolk color. In particular, supplementation with all Deinococcus powder treatments changed the yolk color (P < 0.05) in study I, with the best pigmentation score obtained by D. grandis and Deinococcus sp. GKB-Aid 1995. Moreover, longer supplementation of Deinococcus sp. GKB-Aid 1995 in study II had a significant effect on feed conversion ratio. With these findings under consideration, the present study suggests that the Deinococcus species, especially Deinococcus sp. GKB-Aid 1995, can be an excellent candidate for improving egg yolk color in laying hens.
    Relation: European Journal of Cardio-Thoracic Surgery, v.97, n.1, pp.319-327
    Appears in Collections:[Dept. of Food Science & Technology] Periodical Articles

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