ArticleJournal of animal science and biotechnology2025
Comparative effects of selenium-enriched lactobacilli and selenium-enriched yeast on performance, egg selenium enrichment, antioxidant capacity, and ileal microbiota in laying hens.
Article in Journal of animal science and biotechnology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Nano-selenium, organic selenium, and novel selenium sources: Which is best for clean and sustainable poultry production?Poultry science · 2026Review
- Precision dietary strategies for enriching animal-derived foods with antioxidants and omega-3 fatty acids.Veterinary and animal science · 2026Review
- Effects of Selenium-Enriched Yeast on Laying Performance, Egg Quality, Selenium Deposition, and Serum Biochemical Parameters in Laying Hens.Animals : an open access journal from MDPI · 2026Article
- Form-specific selenium supplementation in poultry: linking bioefficacy to mechanisms and precision applications.Journal of animal science and biotechnology · 2026Review
- Applications and Prospects of Metabolomics and Lipidomics Technologies in the Study of Livestock and Poultry Meat and Egg Quality.Foods (Basel, Switzerland) · 2026Review
- Article
- Short-term high-altitude exposure protects working memory by balancing intestinal microbiota.BMC microbiology · 2026Article
- Comparative Efficacy of Selenium Yeast Supplements on the Health and Productivity of Commercial Layers.Animals : an open access journal from MDPI · 2025Article
- Selenium as a Modulator of Reproductive Immunity: Molecular Insights and Translational Potential in Livestock.Reproduction in domestic animals = Zuchthygiene · 2025Review
- Effects of Dietary Supplementation With Saccharomyces cerevisiae Yeast Extract on Production Performance in Aged Commercial Laying Hens.Veterinary medicine and science · 2025Article
- Comparative Effects of Organic and Nano-Selenium on Egg Quality and Antioxidant Capacity in Layer Hens.Foods (Basel, Switzerland) · 2025Article
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9 authors.
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Abstract
backgroundOrganic selenium (Se) has gained recognition in poultry nutrition as a feed additive to boost production and Se deposition in eggs and tissues, owing to its high bioavailability, efficient tissue accumulation and minimal toxicity. Selenium-enriched yeast (SeY) is a well-established source, while selenium-enriched lactobacilli (SeL), a newer alternative, offers the added benefits of probiotics. This study examined the effects of SeY and SeL on egg quality, antioxidant capacity, Se deposition, and gut health in laying hens. After a two-week pre-treatment with a Se-deficient diet (SeD), 450 Hy-Line Brown laying hens (30-week-old) were assigned into five dietary groups with six replicates of 15 hens each. The groups included a SeD, SeD supplemented with 1.5 mg Se/kg from SeY (SeY15), or 1.5, 3.0, and 6.0 mg Se/kg from SeL (SeL15, SeL30, SeL60). The feeding trial lasted for 12 weeks.
resultsSeY15 and SeL15 improved the feed-to-egg ratio (P < 0.05) in the latter stages. Haugh units were significantly increased (P < 0.05) in the SeY15 and SeL30 groups, while darker yolk color (P < 0.05) was observed in the SeY15, SeL15, and SeL60 groups. All Se-supplemented diets increased Se content in whole eggs, albumen, and yolk (P < 0.05), while SeL groups showed a dose-dependent effect. Antioxidant enzyme activities increased, and MDA content decreased in the serum (P < 0.05), with SeY15 showing the highest GSH-Px levels (P < 0.05). SeL60 increased serum alkaline phosphatase and aspartate transaminase, and distorted the liver architecture (P < 0.05). Se-diets reduced concentrations of reactive oxygen species (ROS) in the ileum and liver (P < 0.05). SeL15 improved the ileal villus height-to-crypt depth ratio (P < 0.05). SeY15 and/or SeL15 up-regulated TXNRD1 and SEPHS1 mRNA while down-regulating SCLY expression in the liver. SeY15 altered ileal microbiota by increasing both beneficial and pathogenic bacteria, whereas SeL15 predominantly boosted beneficial bacteria.
conclusionSeL integrates the antioxidant properties of organic Se with the probiotic benefits on gut health, resulting in a performance-enhancing effect comparable to that of SeY. However, high SeL level (6.0 mg Se/kg) compromised productivity and metabolic functions while enhancing Se deposition.
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