Evidence map›Paper›PMID 41767570›Full record

ArticleFrontiers in microbiology2026

Rumen and cecum microbial dynamics following narasin inclusion in Nellore cattle diets.

Johnny M Souza, Leandro A F Silva, Daniel M Casali, Janaina C S M Souza, Luke A Wolfe, Joseph H Skarlupka, Ibrahim Zuniga-Chaves, Andrew J Steinberger, Courtney L Deblois, Andrew J Scheftgen and 7 more

Abstract read
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In one paragraph

Article in Frontiers in microbiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

17 authors.

Johnny M SouzaDepartment of Animal Science, São Paulo State University (UNESP), School of Agricultural and Veterinarian Sciences, Jaboticabal, São Paulo, Brazil.
Leandro A F SilvaDepartment of Animal Science, São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Botucatu, São Paulo, Brazil.
Daniel M CasaliDepartment of Animal Science, São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Botucatu, São Paulo, Brazil.
Janaina C S M SouzaDepartment of Nutrition and Animal Production, University of São Paulo (USP), Pirassununga, São Paulo, Brazil.
Luke A WolfeDepartment of Bacteriology, University of Wisconsin-Madison, Madison, WI, United States.
Joseph H SkarlupkaDepartment of Bacteriology, University of Wisconsin-Madison, Madison, WI, United States.
Ibrahim Zuniga-ChavesDepartment of Bacteriology, University of Wisconsin-Madison, Madison, WI, United States.
Andrew J SteinbergerDepartment of Bacteriology, University of Wisconsin-Madison, Madison, WI, United States.
Courtney L DebloisDepartment of Bacteriology, University of Wisconsin-Madison, Madison, WI, United States.
Andrew J ScheftgenDepartment of Bacteriology, University of Wisconsin-Madison, Madison, WI, United States.
Ana L J LelisDepartment of Animal Science, São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Botucatu, São Paulo, Brazil.
Tiago LeivaElanco Animal Health, São Paulo, SP, Brazil.
Murilo Chuba RodriguesElanco Animal Health, São Paulo, SP, Brazil.
José Paulo Roman BarrosoElanco Animal Health, São Paulo, SP, Brazil.
Pedro Veloso Facuri LasmarElanco Animal Health, São Paulo, SP, Brazil.
Garret SuenDepartment of Bacteriology, University of Wisconsin-Madison, Madison, WI, United States.
Danilo D MillenDepartment of Animal Science, São Paulo State University (UNESP), School of Agricultural and Veterinarian Sciences, Jaboticabal, São Paulo, Brazil.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study investigated the effects of narasin supplementation on the ruminal and cecal bacterial communities of feedlot Nellore cattle. We hypothesized that narasin would selectively modulate microbial populations in distinct gastrointestinal compartments without causing broad-scale disruption of overall community diversity. Sixty-four Nellore bulls (393 ± 24 kg) were assigned to a completely randomized block design and fed finishing diets containing either 0 or 20 ppm of narasin for 112 days. Rumen and cecal contents were collected at slaughter and analyzed using 16S rRNA gene sequencing to characterize bacterial community structure and composition. Overall, the rumen exhibited greater bacterial diversity and richness than the cecum, regardless of dietary treatment. Narasin supplementation did not affect Shannon diversity in either the rumen (

Indexed as

16S rRNA genebeef cattlefeedlotruminantssequencing

Identifiers

PMID41767570
PMCPMC12946139

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.