ArticleJournal of animal physiology and animal nutrition2026
Evaluation of Torula Yeast (Candida utilis) Single Cell Proteins as a Partial Replacement for Soybean Meal in Broiler Diets: Effects on Productive Performance, Meat Quality Traits, and Plasma Metabolome.
Article in Journal of animal physiology and animal nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 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
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Who cites it
2 citing papers in PubMed.
- The single-cell protein from Candida utilis as a functional protein ingredient for broilers.Poultry science · 2026Article
- Effects of Single-Cell Protein Derived fromAnimals : an open access journal from MDPI · 2026Article
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Authors and funding
7 authors.
Funding
Abstract
Over recent years the use of yeast in feedstuffs has gained momentum due to novel developments in single-cell proteins (SCPs). SCPs are considered a sustainable protein source, as their production enable to convert low-value substrates (including industrial/agricultural wastes) into feed, with a related reduced environmental impact. This study provides a first-step insight into the dietary inclusion of torula yeast-derived SCPs in broiler chicken diets. A total of 720 1-day-old male broilers were divided into four groups (10 replicate pens/group): the control group (CON) received a commercial soybean-based diet, while the SCP groups (SCP2, SCP4, SCP6) were fed diets supplemented with 2%, 4%, or 6% SCPs during the grower and finisher phases (15-42 d) as a partial replacement for soybean meal. Growth performance, footpad dermatitis (FPD), plasma metabolome, and breast-meat quality and composition were evaluated. For the entire trial period, performance traits and FPD rates did not differ significantly, however a trend was observed for body weight and daily weight gain which tended to decrease with increasing SCP levels (3083, 3058, 2988, 2942 g/bird, and 72.1, 71.6, 69.8, 68.8 g/bird/day respectively for CON, SCP2, SCP4, and SCP6; p = 0.071; linear fit < 0.01). Breast-meat quality and composition were maintained apart from linearly increased yellowness (b*) in CON, SCP2, SCP4, and SCP6 (7.67, 8.57, 9.11, and 10.38; p < 0.001; linear fit < 0.01). As for plasma metabolites, focusing on differences attributable to SCPs inclusion levels, on day 21, SCP6 reduced Threonine (-34%) and increased Isoleucine (+26%), Ethanol (+91%), Uridine (+67%), Leucine (+24%), and 2,3-butanediol (+60%) compared with CON (p < 0.05). At day 42, SCP6 reduced Arginine (-46%) and Threonine (-17%) and increased 2-aminobutyrate (+51%), Uridine (+116%), Trans-4-hydroxy-L-proline (+29%), and Formate (+25%) (p ≤ 0.05). Overall, the findings demonstrate the feasibility of graded SCPs inclusion in broiler diets, with a potential upper limit of 4%, as indicated by changes in performance and plasma metabolome.
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