ArticleAnimal nutrition (Zhongguo xu mu shou yi xue hui)2023
The influence of non-bound amino acid inclusions and starch-protein digestive dynamics on growth performance of broiler chickens offered wheat-based diets with two crude protein concentrations.
Article in Animal nutrition (Zhongguo xu mu shou yi xue hui), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 14 citations in OpenAlex.
- The relevance of starch and protein digestive dynamics on broiler performance: A Meta-analysis.Animal nutrition (Zhongguo xu mu shou yi xue hui) · 2026Article
- Fat deposition and growth performance in broiler chickens are diversely influenced by maize or wheat following dietary crude protein reductions plausibly involving insulin.Journal of animal science and biotechnology · 2025Review
- Supplementation of specific insoluble fibres partially attenuates compromised growth performance of broilers fed wheat-based reduced crude protein diets.Animal nutrition (Zhongguo xu mu shou yi xue hui) · 2025Article
- Attrition of amino acids in the life span of broiler chickens.Animal nutrition (Zhongguo xu mu shou yi xue hui) · 2025Review
- A perception that the feed grain basis of reduced-crude protein diets modifies the anabolic impact of insulin on the growth performance of broiler chickens.Animal nutrition (Zhongguo xu mu shou yi xue hui) · 2025Review
- Recent advances in protein and amino acid nutritional dynamics in relation to performance, health, welfare, and cost of production.Poultry science · 2025Review
- Article
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Authors and funding
6 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The primary objective of this study was to investigate the influence of high and low inclusions of non-bound amino acid (NBAA) in standard and reduced-crude protein (CP), wheat-based diets on growth performance in broiler chickens. Dietary treatments were formulated to either 210 or 180 g/kg CP. The 210 g/kg CP diets contained either 12.1 or 21.1 g/kg NBAA and 180 g/kg CP diets contained either 44.0 or 55.5 g/kg NBAA. The formulations also generated different dietary starch:protein ratios which impacted on starch-protein digestive dynamics. Each of the four dietary treatments were offered to 7 replicates of 15 birds housed in floor pens from 14 to 35 days post-hatch or a total of 420 male Ross 308 chickens. Growth performance, relative abdominal fat-pad weights, breast muscle and leg shank yields were determined. Ileal starch and protein (N) digestibility coefficients, disappearance rates and starch:protein disappearance rate ratios were defined. Apparent ileal digestibility coefficients and disappearance rates of 16 amino acids were determined at 35 days post-hatch and free concentrations of 20 amino acids in systemic plasma were determined at 34 days post-hatch. The transition from 210 to 180 g/kg CP diets depressed weight gain by 11.3% (1742 versus 1964 g/bird) and FCR by 10.4% (1.606 versus 1.455), although both parameters were subject to treatment interactions. The treatment interaction (
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