ArticleAnimals : an open access journal from MDPI2025
Effects of Dietary Net Energy/Lysine Ratio and Sex on Growth Performance, Digestive Organ Development, and Cecal Microbiota of Broiler Chickens.
Article in Animals : an open access journal from MDPI, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Gut microbial signatures in poultry under low-protein diets and lysine restriction: implications for precision nutrition.Veterinary and animal science · 2026Review
- Developmental dynamics of crop morphology, microbiota, and mucosal immunity in chickens.Journal of animal science and biotechnology · 2026Article
- Effects of different dietary metabolizable energy levels on growth performance, liver metabolism, and gut microbiota in growing broilers.Poultry science · 2026Article
- Dietary crude glycerol as an energy source in broiler chickens: a meta-analysis.Animal bioscience · 2026Article
- Effects of Dietary Standardized Ileal Digestible Lysine and Amylose/Amylopectin Ratio on Intestinal Morphology, Barrier-Related Gene Expression, and Cecal Microbiota in Broilers Fed Low-Protein Diets.Animals : an open access journal from MDPI · 2026Article
- Association and variation in performance, nutrient digestibility, carcass traits, and intestinal development of broiler chickens by various male-to-female ratios.Veterinary and animal science · 2026Article
- Dietary energy levels regulate feed intake of broilers through the brain-gut axis.Frontiers in veterinary science · 2026Article
- Dietary energy levels alter production performance, egg quality, and intestinal health of Wenshui green-shell layers in the peak laying period.Frontiers in veterinary science · 2025Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
This study aimed to investigate the effects of the net energy (NE) and lysine ratio in low-protein diets on growth performance, intestinal development, and cecal microbiota of male and female broilers. A 4 × 2 factorial design was used with lysine levels at 1% and 1.5%, and net energy levels at 8.93 MJ/kg and 9.76 MJ/kg were used to form four diets with net energy/lysine ratios: Group I (8.93), II (5.95), III (9.76), and IV (6.50), respectively. A total of 960 AA broilers at age of 1 d were selected; then, 480 male and 480 female broilers were randomly divided into four groups, with eight replicates per group and 15 birds per replicate. The trial lasted for 17 days, with slaughter tests conducted separately at d 7 and 17 to measure growth performance and slaughter performance. The results are as follows: (1) At d 17, broilers in high NE/lysine groups had significantly higher final weights and average daily gain compared to other groups (
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Registered trials
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