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. 2023 Mar;36(3):484-491.
doi: 10.5713/ab.22.0067. Epub 2022 Sep 7.

Effect of supplementation and withdrawal of selenium-enriched kale sprouts on productivity and egg selenium concentration of laying hens

Anut Chantiratikul  1 , Pinyada Thongpitak  1 , Orawan Arunsangseesod  1 , Eakapol Wangkahart  1 , Kwanyuen Leamsamrong  2 , Worapol Aengwanich  3 , Juan Boo Liang  4 , Wu Xin  5 , Piyanete Chantiratikul  6
Affiliations

Effect of supplementation and withdrawal of selenium-enriched kale sprouts on productivity and egg selenium concentration of laying hens

Anut Chantiratikul et al. Anim Biosci. 2023 Mar.

Abstract

Objective: The aim of this trial was to investigate the effect of supplementation and withdrawal of selenium-enriched kale sprouts (SeKS) on productivity and egg Se concentration of laying hens. Selenium from commercial Se-enriched yeast (SeY) was used as a comparative Se source.

Methods: One-hundred and eighty 61-week-old laying hens were randomly divided into 5 treatment groups with 4 replicates (9 hens each) in a 2×2+1 Augmented Factorial Experiment in a completely randomized design. The experimental diets were basal diet, basal diet supplemented with 0.2 and 0.4 mg Se/kg from SeKS and SeY, respectively. The 8-week feeding trial was divided into 2 periods, namely the Se supplemental period (week 1 to 4) and the Se withdrawal period (week 5 to 8).

Results: Productive performance, egg quality and egg Se concentration of laying hens were not affected by sources of Se (SeKS and SeY) during both, the Se supplemental and withdrawal periods. Egg production and egg Se concentration increased (p<0.05) with increasing levels of Se supplementation. The egg Se concentration increased and reached a peak 1 week after Se supplementation. However, concentration of Se in eggs of hens fed Se from both sources decreased rapidly from the second week of the Se withdrawal period to reach the same egg Se concentration of hens fed the basal diet by the fourth week of the Se withdrawal period.

Conclusion: The efficacy of Se from SeKS on productivity and egg Se concentration in laying hens was comparable to commercial SeY. Thus, SeKS can provide an alternate organic Se source for production of Se-enriched eggs.

Keywords: Egg Selenium Content; Organic Selenium; Selenium Source; Selenium-enriched Plant; Selenium-enriched Yeast.

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Conflict of interest statement

CONFLICT OF INTEREST

We certify that there is no conflict of interest with any financial organization regarding the material discussed in the manuscript.

Figures

Figure 1
Figure 1
Dynamic changes of whole egg selenium concentration of laying hens fed basal diet and selenium supplemental diets during the supplemental (day 1 to 28) and withdrawal (day 29 to 56) periods. SeKS, Se-enriched kale sprouts; SeY, Se-enriched yeast.
See this image and copyright information in PMC

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