ArticleJournal of animal science and biotechnology2020
New insights into the associations among feed efficiency, metabolizable efficiency traits and related QTL regions in broiler chickens.
Article in Journal of animal science and biotechnology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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25 citing papers in PubMed, 66 citations in OpenAlex.
- RNA-seq reveals differentially expressed genes involved in catecholamine synthesis and metabolism in the hypothalamus affecting divergent residual feed intake in slow-growing Korat chickens.Poultry science · 2026Article
- TIAM2 and ADCY7 polymorphisms and their association with feed efficiency in Huaibei partridge chickens.Poultry science · 2026Article
- Identifying New Loci and Genes Associated with Feed Efficiency in Broilers.International journal of molecular sciences · 2025Article
- Identification of regulatory loci and candidate genes related to body weight traits in broilers based on different models.BMC genomics · 2025Article
- Uncovering Molecular Mechanisms of Feed Efficiency in Pigs Through Multi-Omics Analysis of the Jejunum.Animals : an open access journal from MDPI · 2025Article
- Leverage of lysozyme dietary supplementation on gut health, hematological, antioxidant, and immune parameters in different plumage-colors Japanese quails.Poultry science · 2025Article
- Avian cecal microbiome response and resilience to Newcastle disease are dictated by breed background.Frontiers in systems biology · 2025Article
- Hepatic Transcriptomics of Broilers with Low and High Feed Conversion in Response to Caloric Restriction.Metabolites · 2024Article
- Protein phosphatase 1 catalytic subunit gamma is a causative gene for meat lightness and redness.PLoS genetics · 2024Article
- Article
- Relationship between jejunum ATPase activity and antioxidant function on the growth performance, feed conversion efficiency, and jejunum microbiota in Hu sheep (Ovis aries).BMC veterinary research · 2024Article
- Large-scale transcriptomic and genomic analyses reveal a novel functional gene SERPINB6 for chicken carcass traits.Journal of animal science and biotechnology · 2024Article
- Large-scale genomic and transcriptomic analyses elucidate the genetic basis of high meat yield in chickens.Journal of advanced research · 2024Article
- Polymorphism in ovineAnimal biotechnology · 2023Article
- Combined effect of microbially derived cecal SCFA and host genetics on feed efficiency in broiler chickens.Microbiome · 2023Article
- Growth performance, carcass traits, meat quality, and blood variables of small-sized meat ducks with different feed efficiency phenotypes.Poultry science · 2023Article
- Effects of maggot antimicrobial peptides on growth performance, immune function, and cecal flora of yellow-feathered broilers.Frontiers in veterinary science · 2023Article
- Assessment the effect of genomic selection and detection of selective signature in broilers.Poultry science · 2022Article
- Article
- Untargeted metabolomics confirms the association between plasma branched chain amino acids and residual feed intake in beef heifers.PloS one · 2022Article
Corrections and comments
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Authors and funding
8 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundImproving the feed efficiency would increase profitability for producers while also reducing the environmental footprint of livestock production. This study was conducted to investigate the relationships among feed efficiency traits and metabolizable efficiency traits in 180 male broilers. Significant loci and genes affecting the metabolizable efficiency traits were explored with an imputation-based genome-wide association study. The traits measured or calculated comprised three growth traits, five feed efficiency related traits, and nine metabolizable efficiency traits.
resultsThe residual feed intake (RFI) showed moderate to high and positive phenotypic correlations with eight other traits measured, including average daily feed intake (ADFI), dry excreta weight (DEW), gross energy excretion (GEE), crude protein excretion (CPE), metabolizable dry matter (MDM), nitrogen corrected apparent metabolizable energy (AMEn), abdominal fat weight (AbF), and percentage of abdominal fat (AbP). Greater correlations were observed between growth traits and the feed conversion ratio (FCR) than RFI. In addition, the RFI, FCR, ADFI, DEW, GEE, CPE, MDM, AMEn, AbF, and AbP were lower in low-RFI birds than high-RFI birds (
conclusionsSelection for low RFI significantly decreased chicken feed intake, excreta output, and abdominal fat deposition, and increased nutrient digestibility without changing the weight gain. Five novel QTL regions involved in the control of metabolizable efficiency in chickens were identified. These results, combined through nutritional and genetic approaches, should facilitate novel insights into improving feed efficiency in poultry and other species.
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