ArticleScientific reports2023
Ruminal and feces metabolites associated with feed efficiency, water intake and methane emission in Nelore bulls.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 11 citations in OpenAlex.
- Changes in fatty acid profiles of transition milk of Czech Fleckvieh cows milked in automatic milking system.Veterinary and animal science · 2026Article
- Microbiome by transcriptome interactions triggered by a switch to an alternative diet in Nellore cattle.Scientific reports · 2026Article
- The hologenome concept and its implications for animal breeding in the multi-omics Era.Genetics and molecular biology · 2026Article
- Relative safety of glyphosate-resistant maize (CC-2) in rats.GM crops & food · 2025Article
- Dietary modulation of the rumen microbiome drives the expression of metabolic and methanogenic pathways inmSphere · 2025Article
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Authors and funding
19 authors at 3 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The objectives of this study were twofold: (1) to identify potential differences in the ruminal and fecal metabolite profiles of Nelore bulls under different nutritional interventions; and (2) to identify metabolites associated with cattle sustainability related-traits. We used different nutritional interventions in the feedlot: conventional (Conv; n = 26), and by-product (ByPr, n = 26). Thirty-eight ruminal fluid and 27 fecal metabolites were significantly different (P < 0.05) between the ByPr and Conv groups. Individual dry matter intake (DMI), residual feed intake (RFI), observed water intake (OWI), predicted water intake (WI), and residual water intake (RWI) phenotypes were lower (P < 0.05) in the Conv group, while the ByPr group exhibited lower methane emission (ME) (P < 0.05). Ruminal fluid dimethylamine was significantly associated (P < 0.05) with DMI, RFI, FE (feed efficiency), OWI and WI. Aspartate was associated (P < 0.05) with DMI, RFI, FE and WI. Fecal C22:1n9 was significantly associated with OWI and RWI (P < 0.05). Fatty acid C14:0 and hypoxanthine were significantly associated with DMI and RFI (P < 0.05). The results demonstrated that different nutritional interventions alter ruminal and fecal metabolites and provided new insights into the relationship of these metabolites with feed efficiency and water intake traits in Nelore bulls.
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