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Dietary polyphenols from shredded, steam-exploded pine particles mitigate the adverse effects of heat stress in broiler chickens.

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Τίτλος: Dietary polyphenols from shredded, steam-exploded pine particles mitigate the adverse effects of heat stress in broiler chickens.
Συγγραφείς: Goel A; Department of Animal Science, Gyeongsang National University, Jinju 52828, Republic of Korea; Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea., Ncho CM; Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea., Jeong CM; Department of Animal Science, Gyeongsang National University, Jinju 52828, Republic of Korea; Division of Applied Life Sciences (BK21 Plus Program), Gyeongsang National University, Jinju 52828, Republic of Korea., Gupta V; Department of Animal Science, Gyeongsang National University, Jinju 52828, Republic of Korea; Division of Applied Life Sciences (BK21 Plus Program), Gyeongsang National University, Jinju 52828, Republic of Korea., Jung JY; Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; Department of Environmental Materials Science, Gyeongsang National University, Jinju 52828, Republic of Korea., Ha SY; Department of Environmental Materials Science, Gyeongsang National University, Jinju 52828, Republic of Korea., Yang JK; Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; Department of Environmental Materials Science, Gyeongsang National University, Jinju 52828, Republic of Korea., Choi YH; Department of Animal Science, Gyeongsang National University, Jinju 52828, Republic of Korea; Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; Division of Applied Life Sciences (BK21 Plus Program), Gyeongsang National University, Jinju 52828, Republic of Korea. Electronic address: yhchoi@gnu.ac.kr.
Πηγή: Poultry science [Poult Sci] 2026 Oct; Vol. 105 (10), pp. 107298. Date of Electronic Publication: 2026 Jun 14.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Elsevier Country of Publication: England NLM ID: 0401150 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1525-3171 (Electronic) Linking ISSN: 00325791 NLM ISO Abbreviation: Poult Sci Subsets: MEDLINE
Imprint Name(s): Publication: 2020- : [Cambridge, UK] : Elsevier
Original Publication: Champaign Il : Poultry Science Association
Ιατρικοί όροι (MeSH): Chickens*/physiology , Chickens*/genetics , Polyphenols*/administration & dosage , Polyphenols*/metabolism , Hot Temperature*/adverse effects , Pinus*/chemistry , Heat-Shock Response*/drug effects , Gastrointestinal Microbiome*/drug effects , Gene Expression*/drug effects, Diet/veterinary ; Animal Feed/analysis ; Dietary Supplements/analysis ; Animals ; Random Allocation ; Male
Περίληψη: The current study investigated the impact of supplementing polyphenols extracted from shredded, steam-exploded pine particles (PSPP) on the performance, gene expression, and gut metagenome of broilers exposed to cyclic heat stress (CHS). A total of 216 chickens were distributed into a 2 (temperature) by 3 (diets) design, with each treatment consisting of six replicates of six chickens. Specifically, chickens were fed diets containing 0% PSPP, 0.5% PSPP, and 1% PSPP and exposed to two temperature conditions: CHS (31°C) and Thermoneutral (NT, 21°C). The CHS was conducted for 6 hours every day for 7 consecutive days. Final body weight, average daily gain, and average daily feed intake (ADFI) were decreased, while feed conversion ratio and rectal temperature were increased in heat-exposed chickens. Dietary PSPP supplementation enhanced ADFI. The weight of the liver, bursa, and length of the jejunum and ileum were decreased in heat-exposed chickens. Plasma cholesterol was increased, and triglycerides were decreased in heat-exposed chickens. After heat exposure, gene expression of ZO1, ZO2, GLP2, NOX1, SOD, GPX, HSP70, HSP90, NRF2, TLR2, and TLR4 increased in the jejunum. GLP2 gene expression was similar in 1%PSPP exposed to HS in comparison to the entire NT-exposed chickens. Concerning microbiota analysis, alpha diversity indices, such as Shannon and Gini-Simpson, were increased following CHS exposure. Beta diversity, measured through unweighted and weighted UniFrac distances, showed temperature, dose, and interaction effects. The relative abundance of the phylum Candidatus Melainabacteria was increased, while Tenericutes populations were decreased in heat-exposed chickens. Furthermore, a total of thirty genera were identified as microbial biomarkers of CHS. Interestingly, the relative abundance of five pathogenic bacterial genera was found to be decreased in the 0.5%PSPP treatment. Overall, CHS negatively influences growth performance, modulates the expression of the gut antioxidant-related genes, and favors the colonization of pathogenic bacteria. However, 0.5% PSPP may mitigate CHS by reducing pathogen colonization in the gut of broilers.
(Copyright © 2026 The Authors. Published by Elsevier Inc. All rights reserved.)
Competing Interests: Disclosures The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Yang-Ho Choi reports financial support was provided by National Research Foundation of Korea. If there are other authors, they declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Contributed Indexing: Keywords: Cyclic heat stress; Gene expression; Growth; Microbiota; Polyphenols; Poultry
Substance Nomenclature: 0 (Polyphenols)
Entry Date(s): Date Created: 20260622 Date Completed: 20260918 Latest Revision: 20260918
Update Code: 20260918
PubMed Central ID: PMC13315436
DOI: 10.1016/j.psj.2026.107298
PMID: 42330763
Βάση Δεδομένων: MEDLINE
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  Data: Dietary polyphenols from shredded, steam-exploded pine particles mitigate the adverse effects of heat stress in broiler chickens.
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  Data: <searchLink fieldCode="JN" term="%220401150%22">Poultry science</searchLink> [Poult Sci] 2026 Oct; Vol. 105 (10), pp. 107298. <i>Date of Electronic Publication: </i>2026 Jun 14.
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  Data: <i>Publication</i>: 2020- : [Cambridge, UK] : Elsevier<br /><i>Original Publication</i>: Champaign Il : Poultry Science Association
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– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The current study investigated the impact of supplementing polyphenols extracted from shredded, steam-exploded pine particles (PSPP) on the performance, gene expression, and gut metagenome of broilers exposed to cyclic heat stress (CHS). A total of 216 chickens were distributed into a 2 (temperature) by 3 (diets) design, with each treatment consisting of six replicates of six chickens. Specifically, chickens were fed diets containing 0% PSPP, 0.5% PSPP, and 1% PSPP and exposed to two temperature conditions: CHS (31°C) and Thermoneutral (NT, 21°C). The CHS was conducted for 6 hours every day for 7 consecutive days. Final body weight, average daily gain, and average daily feed intake (ADFI) were decreased, while feed conversion ratio and rectal temperature were increased in heat-exposed chickens. Dietary PSPP supplementation enhanced ADFI. The weight of the liver, bursa, and length of the jejunum and ileum were decreased in heat-exposed chickens. Plasma cholesterol was increased, and triglycerides were decreased in heat-exposed chickens. After heat exposure, gene expression of ZO1, ZO2, GLP2, NOX1, SOD, GPX, HSP70, HSP90, NRF2, TLR2, and TLR4 increased in the jejunum. GLP2 gene expression was similar in 1%PSPP exposed to HS in comparison to the entire NT-exposed chickens. Concerning microbiota analysis, alpha diversity indices, such as Shannon and Gini-Simpson, were increased following CHS exposure. Beta diversity, measured through unweighted and weighted UniFrac distances, showed temperature, dose, and interaction effects. The relative abundance of the phylum Candidatus Melainabacteria was increased, while Tenericutes populations were decreased in heat-exposed chickens. Furthermore, a total of thirty genera were identified as microbial biomarkers of CHS. Interestingly, the relative abundance of five pathogenic bacterial genera was found to be decreased in the 0.5%PSPP treatment. Overall, CHS negatively influences growth performance, modulates the expression of the gut antioxidant-related genes, and favors the colonization of pathogenic bacteria. However, 0.5% PSPP may mitigate CHS by reducing pathogen colonization in the gut of broilers.<br /> (Copyright © 2026 The Authors. Published by Elsevier Inc. All rights reserved.)
– Name: Abstract
  Label: Competing Interests
  Group: Ab
  Data: Disclosures The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Yang-Ho Choi reports financial support was provided by National Research Foundation of Korea. If there are other authors, they declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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  Data: <i>Keywords: </i>Cyclic heat stress; Gene expression; Growth; Microbiota; Polyphenols; Poultry
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        Value: 10.1016/j.psj.2026.107298
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        Text: English
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        StartPage: 107298
    Subjects:
      – SubjectFull: Diet veterinary
        Type: general
      – SubjectFull: Animal Feed analysis
        Type: general
      – SubjectFull: Dietary Supplements analysis
        Type: general
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        Type: general
      – SubjectFull: Chickens genetics
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      – SubjectFull: Polyphenols administration & dosage
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      – TitleFull: Dietary polyphenols from shredded, steam-exploded pine particles mitigate the adverse effects of heat stress in broiler chickens.
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              Text: 2026 Oct
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