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Multicomponent mineral–phytogenic supplementation reduces Ascaridia galli shedding and systemic mycotoxin biomarkers while improving health and productive performance in laying hens

This study evaluated whether a multicomponent mineral–phytogenic supplement could simultaneously reduce Ascaridia galli shedding and systemic mycotoxin exposure while improving hematological, hepatic, antioxidant, and productive responses in naturally challen…

Breed- and age-associated variation in hematological parameters and Toll-like receptor 2 gene expression in peripheral blood mononuclear cells of commercial and purebred laying hens during the laying cycle

This study evaluated the effects of breed and age on hematological traits and TLR2 gene expression in commercial Lohmann Brown (LB) and purebred White Leghorn (WL) laying hens to improve the understanding of innate immune regulation during different stages of…

Comparative effects of mannanoligosaccharides, fructooligosaccharides, and potato resistant starch on intestinal integrity, antioxidant status, and cecal microbiota in commercial laying hens

This study aimed to compare the effects of mannanoligosaccharides (MOS), fructooligosaccharides (FOS), and potato resistant starch (RS) on productive performance, intestinal integrity, antioxidant status, intestinal morphology, and cecal microbiota in commerc…

Dietary β-glucan supplementation mitigates heat stress-induced impairment of performance, egg quality, and intestinal integrity in laying hens

This study evaluated the dose-dependent effects of dietary yeast-derived β-glucan (BG) supplementation as a nutritional strategy to mitigate HS-induced impairments in commercial Hy-Line laying hens.

Formation and preliminary characterization of mercury-reactive immunoglobulin Y antibodies in laying hens using HgCl₂–protein hapten conjugates

This proof-of-concept study aimed to evaluate the feasibility of generating functional Hg-reactive immunoglobulin Y (IgY) antibodies in laying hens using Hg chloride (HgCl2)–protein conjugates, offering an avian alternative to mammalian antibody production fo…

Dietary calcium citrate enhances nutrient digestibility and modulates cecal microbiota function in pre-laying hens

This study evaluated the effects of replacing calcium carbonate with calcium citrate on nutrient digestibility, cecal microbiota composition, short-chain fatty acid (SCFA) production, and predicted microbial metabolic pathways in pre-laying hens.

Dose-dependent effects of dietary quercetin on performance, egg quality, metabolic health, and antioxidant defense in laying hens: A systematic review and meta-analysis

This meta-analysis aims to quantitatively synthesize the available evidence and examine the dose–response relationships of dietary quercetin supplementation on productive performance, egg quality traits, blood metabolites, and antioxidant defenses in laying h…

Age features and reference intervals for the concentrations of some essential and toxic elements in laying hens

this study established reference intervals for the concentrations of the main essential and toxic elements in laying hens in different periods of ontogenesis

Dietary fermented cassava peel improves laying performance, yolk fatty acid profile, and economic return in laying hens

This study evaluated graded levels of L. edodes-fermented cassava peel (FCP) in laying hen diets for effects on nutrient composition, performance, yolk lipid profile, and economic return.

Microencapsulated Ganoderma lucidum extract improves antioxidant capacity, intestinal morphology, and nutrient digestibility in free-range laying hens under tropical conditions

This study evaluated the effects of dietary microencapsulated G. lucidum extract (MGE) on laying performance, antioxidant capacity, intestinal morphology, and nutrient digestibility in free-range hens under high-temperature conditions.

Productive and economic effects of adding Bacillus amyloliquefaciens CECT 5940 to bread waste-based diets in laying hens

Effects of heat stress on egg performance in laying hens under hot and humid conditions

Comparison of immunoglobulin Y antibody production in new and spent laying hens

Identification of cellulolytic lactic acid bacteria from the intestines of laying hens given AKBISprob based on 16S ribosomal ribonucleic acid gene analysis

This study aimed to identify cellulolytic LAB in the intestines of laying hens administered AKBISprob based on 16S ribosomal ribonucleic acid (16S rRNA) gene analysis

Hemp inflorescence meal as a novel feed ingredient in laying hens: Safety assessment, nutritional characterization, and effects on egg quality

This study aimed to evaluate the nutritional composition, metabolizable energy, production performance, egg quality, and cannabinoid residue safety of HIM when included in laying hen diets.