ArticleScientific reports2021
Comparative untargeted metabolome analysis of ruminal fluid and feces of Nelore steers (Bos indicus).
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 22 citations in OpenAlex.
- Impact of chitosan supplementation on metabolomic profiles and microbial community dynamics in total mixed ration silage and rumen fluid.Animal bioscience · 2026Article
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- Fecal metabolomics to understand intestinal dysfunction in male dairy beef calves at arrival to the rearing farm.Scientific reports · 2025Article
- Article
- Metabolism and Nutrition of L-Glutamate and L-Glutamine in Ruminants.Animals : an open access journal from MDPI · 2024Review
- Multi-omics analyses reveal rumen microbes and secondary metabolites that are unique to livestock species.mSystems · 2024Article
- Untargeted metabolomics and metagenomics reveal signatures for intramammary ceftiofur treatment and lactation stage in the cattle hindgut.Frontiers in molecular biosciences · 2024Article
- Ruminal and feces metabolites associated with feed efficiency, water intake and methane emission in Nelore bulls.Scientific reports · 2023Article
- Characterization of rumen microbiome and metabolome from oro-esophageal tubing and rumen cannula in Holstein dairy cows.Scientific reports · 2023Article
- Evolving understanding of rumen methanogen ecophysiology.Frontiers in microbiology · 2023Review
- Applications of Omics Technology for Livestock Selection and Improvement.Frontiers in genetics · 2022Review
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Authors and funding
12 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We conducted a study to identify the fecal metabolite profile and its proximity to the ruminal metabolism of Nelore steers based on an untargeted metabolomic approach. Twenty-six Nelore were feedlot with same diet during 105 d. Feces and rumen fluid were collected before and at slaughter, respectively. The metabolomics analysis indicated 49 common polar metabolites in the rumen and feces. Acetate, propionate, and butyrate were the most abundant polar metabolites in both bio-samples. The rumen presented significantly higher concentrations of the polar compounds when compared to feces (P < 0.05); even though, fecal metabolites presented an accentuated representability of the ruminal fluid metabolites. All fatty acids present in the ruminal fluid were also observed in the feces, except for C20:2n6 and C20:4n6. The identified metabolites offer information on the main metabolic pathways (higher impact factor and P < 0.05), as synthesis and degradation of ketone bodies; the alanine, aspartate and glutamate metabolisms, the glycine, serine; and threonine metabolism and the pyruvate metabolism. The findings reported herein on the close relationship between the ruminal fluid and feces metabolic profiles may offer new metabolic information, in addition to facilitating the sampling for metabolism investigation in animal production and health routines.
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