ArticleFrontiers in veterinary science2025
Residual feed intake in late-laying hens: immune function, metabolic efficiency, and feed utilization dynamics.
Article in Frontiers in veterinary science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Integorated multi-omics reveals the NOS2-metabolite-microbiota regulatory axis underlying feed efficiency in laying hens.Poultry science · 2026Article
- Cecal microbiota and metabolomic profiles associated with residual feed intake divergence in laying ducks.Poultry science · 2026Article
- Residual feed intake in laying hens during the late laying period: associations with nutrient utilization, antioxidant capacity, and gut barrier function.Journal of animal science and biotechnology · 2026Article
- Effects of Dietary Metabolizable Energy and Crude Protein Levels on Growth Performance, Carcass Traits, and Meat Quality of Goslings from 35 to 63 Days of Age.Foods (Basel, Switzerland) · 2026Article
- Gene Expression of Feed Intake-Regulating Peptides in the Gut-Brain Axis of Laying Hens Housed Under Two Different Egg Production Systems.Animals : an open access journal from MDPI · 2025Article
- New association of milk thistle and artichoke extracts enhances egg quality in caged-laying hens.Frontiers in veterinary science · 2025Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The selection of high feed-efficiency animals is essential to address the increasing global demand for animal-derived products while ensuring sustainability. Residual Feed Intake (RFI), a crucial metric in poultry production, enhances feed utilization, optimizes management strategies, and promotes economic viability and environmental stewardship. However, the mechanisms underlying RFI variation remain inadequately understood. This study examined the regulatory pathways of RFI in 70-week-old Rhode Island Red laying hens through comparative analysis of phenotypic parameters, organ characteristics, and serum biochemical profiles between low-RFI (LRFI) and high-RFI (HRFI) groups. The findings demonstrate that RFI functions as a reliable indicator for feed efficiency selection, with LRFI hens demonstrating enhanced immune modulation and metabolic homeostasis while maintaining equivalent egg production performance. These results establish fundamental insights for understanding RFI regulatory mechanisms and developing precision breeding strategies for feed-efficient laying hens.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.