Affiliations 

  • 1 Applied Animal and Aquatic Sciences Research Unit and Department of Agricultural Technology, Faculty of Technology, Mahasarakham University, Kantharawichai, Maha Sarakham 44150, Thailand
  • 2 Department of Chemistry, Faculty of Science and Technology, Rajabhat Maha Sarakham University, Mueang, Maha Sarakham 44000, Thailand
  • 3 Faculty of Veterinary Sciences, Mahasarakham University, Maha Sarakham 44000, Thailand
  • 4 Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, 43400 Selangor, Malaysia
  • 5 CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China
  • 6 Department of Chemistry, Faculty of Science, Mahasarakham University, Kantharawichai, Maha Sarakham 44150, Thailand
Anim Biosci, 2023 Mar;36(3):484-491.
PMID: 36108682 DOI: 10.5713/ab.22.0067

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.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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