ArticleAnimals : an open access journal from MDPI2026
Effects of Dietary Sterol-Rich Yeast Hydrolysate on Serum Lipid Indices, Intestinal Morphology, Digestive Enzyme Activities, Barrier-Related Gene Expression, and Cecal Microbiota in Yellow-Feathered Broiler Breeder Hens.
Article in Animals : an open access journal from MDPI, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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10 authors.
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Abstract
This study evaluated dietary sterol-rich yeast hydrolysate (SYH) at 0, 0.2, 0.5, and 0.8 g/kg in 720 yellow-feathered broiler breeder hens for 6 weeks. The tested SYH, supplied as a powder, contained 9.24% mannan, 3.1% total sterols, 2.0% amino nitrogen, and 3.64 g/kg nucleotides. Serum lipoproteins, intestinal morphology, digestive enzyme activities, barrier-related gene expression, and cecal microbiota were assessed. Low-density lipoprotein cholesterol was higher in J-C than in Control, J-A, and J-B, whereas high-density lipoprotein cholesterol did not differ among treatments. Duodenal lipase showed a significant overall treatment effect, but no Dunn-Holm pairwise comparison remained significant; ileal lipase was higher in J-C than in J-A. For barrier-related transcripts, J-A had higher ZO-1 than the Control and J-B and higher occludin and claudin-1 than all other groups, whereas MUC2 was higher in J-A and J-C than in the Control. These transcript changes are consistent with the modulation of molecular components associated with intestinal barrier integrity, but they do not by themselves demonstrate improved barrier function. Intestinal morphology showed selective, segment-specific differences rather than a consistent dose-related pattern. Alpha diversity did not differ, whereas Bray-Curtis PERMANOVA detected an overall difference among treatments (
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