Supplementation with Complex Phytonutrients Enhances Rumen Barrier Function and Growth Performance of Lambs by Regulating Rumen Microbiome and Metabolome

Complex phytonutrients (CPS) have attracted extensive interest due to their anti-inflammatory effects. This investigation focused on the impact of CPS on rumen health in lambs on high-concentrate diets, emphasizing growth performance, ruminal fermentation, epithelial barrier integrity, ruminal metab...

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Main Authors: Juan Du, Yuan Wang, Shaohui Su, Wenwen Wang, Tao Guo, Yuchao Hu, Na Yin, Xiaoping An, Jingwei Qi, Xuan Xu
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Animals
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Online Access:https://www.mdpi.com/2076-2615/15/2/228
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author Juan Du
Yuan Wang
Shaohui Su
Wenwen Wang
Tao Guo
Yuchao Hu
Na Yin
Xiaoping An
Jingwei Qi
Xuan Xu
author_facet Juan Du
Yuan Wang
Shaohui Su
Wenwen Wang
Tao Guo
Yuchao Hu
Na Yin
Xiaoping An
Jingwei Qi
Xuan Xu
author_sort Juan Du
collection DOAJ
description Complex phytonutrients (CPS) have attracted extensive interest due to their anti-inflammatory effects. This investigation focused on the impact of CPS on rumen health in lambs on high-concentrate diets, emphasizing growth performance, ruminal fermentation, epithelial barrier integrity, ruminal metabolism, and microbial communities. A total of 54 lambs, 3 months old and with a 30.42 ± 0.54 kg body weight, were randomly assigned to three treatment groups, with six replicates per treatment and three lambs per replicate. The lambs received a basal diet (the ratio of concentrate to forage was 75:25) without CPS supplementation (CON) or with the inclusion of 2.5 g/kg (CPS2.5) or 5.0 g/kg CPS (CPS5.0) for a total of 60 days. The CPS groups exhibited increased growth performance and improved rumen fermentation parameters. Mechanistically, CPS enhanced rumen epithelial barrier function, thereby lowering inflammation and inhibiting the overactivation of the JNK/p38 MAPK signaling pathway, and the effect of CPS5.0 was better than that of CPS2.5. Notably, CPS5.0 could optimize the composition of rumen microbiota and increase the levels of Ursolic acid and other metabolites. The strong associations between rumen bacteria and health-related indicators and differential metabolites were further highlighted. Our findings suggest that adding CPS to lambs’ diets has widespread positive impacts, including improved growth performance, reduced inflammation and mRNA relative expression of apoptosis-related genes, enhanced barrier function, and beneficial changes in the rumen microbiome and metabolite profiles.
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spelling doaj-art-b7d31c35c08f40c386e7de88ed7207012025-01-24T13:18:11ZengMDPI AGAnimals2076-26152025-01-0115222810.3390/ani15020228Supplementation with Complex Phytonutrients Enhances Rumen Barrier Function and Growth Performance of Lambs by Regulating Rumen Microbiome and MetabolomeJuan Du0Yuan Wang1Shaohui Su2Wenwen Wang3Tao Guo4Yuchao Hu5Na Yin6Xiaoping An7Jingwei Qi8Xuan Xu9College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaCollege of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, ChinaDepartment of Statistics, Kansas State University, Manhattan, KS 66061, USAComplex phytonutrients (CPS) have attracted extensive interest due to their anti-inflammatory effects. This investigation focused on the impact of CPS on rumen health in lambs on high-concentrate diets, emphasizing growth performance, ruminal fermentation, epithelial barrier integrity, ruminal metabolism, and microbial communities. A total of 54 lambs, 3 months old and with a 30.42 ± 0.54 kg body weight, were randomly assigned to three treatment groups, with six replicates per treatment and three lambs per replicate. The lambs received a basal diet (the ratio of concentrate to forage was 75:25) without CPS supplementation (CON) or with the inclusion of 2.5 g/kg (CPS2.5) or 5.0 g/kg CPS (CPS5.0) for a total of 60 days. The CPS groups exhibited increased growth performance and improved rumen fermentation parameters. Mechanistically, CPS enhanced rumen epithelial barrier function, thereby lowering inflammation and inhibiting the overactivation of the JNK/p38 MAPK signaling pathway, and the effect of CPS5.0 was better than that of CPS2.5. Notably, CPS5.0 could optimize the composition of rumen microbiota and increase the levels of Ursolic acid and other metabolites. The strong associations between rumen bacteria and health-related indicators and differential metabolites were further highlighted. Our findings suggest that adding CPS to lambs’ diets has widespread positive impacts, including improved growth performance, reduced inflammation and mRNA relative expression of apoptosis-related genes, enhanced barrier function, and beneficial changes in the rumen microbiome and metabolite profiles.https://www.mdpi.com/2076-2615/15/2/228complex phytonutrientshigh-concentrate dietrumen healthapoptosisinflammation
spellingShingle Juan Du
Yuan Wang
Shaohui Su
Wenwen Wang
Tao Guo
Yuchao Hu
Na Yin
Xiaoping An
Jingwei Qi
Xuan Xu
Supplementation with Complex Phytonutrients Enhances Rumen Barrier Function and Growth Performance of Lambs by Regulating Rumen Microbiome and Metabolome
Animals
complex phytonutrients
high-concentrate diet
rumen health
apoptosis
inflammation
title Supplementation with Complex Phytonutrients Enhances Rumen Barrier Function and Growth Performance of Lambs by Regulating Rumen Microbiome and Metabolome
title_full Supplementation with Complex Phytonutrients Enhances Rumen Barrier Function and Growth Performance of Lambs by Regulating Rumen Microbiome and Metabolome
title_fullStr Supplementation with Complex Phytonutrients Enhances Rumen Barrier Function and Growth Performance of Lambs by Regulating Rumen Microbiome and Metabolome
title_full_unstemmed Supplementation with Complex Phytonutrients Enhances Rumen Barrier Function and Growth Performance of Lambs by Regulating Rumen Microbiome and Metabolome
title_short Supplementation with Complex Phytonutrients Enhances Rumen Barrier Function and Growth Performance of Lambs by Regulating Rumen Microbiome and Metabolome
title_sort supplementation with complex phytonutrients enhances rumen barrier function and growth performance of lambs by regulating rumen microbiome and metabolome
topic complex phytonutrients
high-concentrate diet
rumen health
apoptosis
inflammation
url https://www.mdpi.com/2076-2615/15/2/228
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