Evidence map›Paper›PMID 33748210›Full record

ReviewFrontiers in veterinary science2021

Nutritional Aspects of Ecologically Relevant Phytochemicals in Ruminant Production.

Luis O Tedeschi, James P Muir, Harley D Naumann, Aaron B Norris, Carlos A Ramírez-Restrepo, Susanne U Mertens-Talcott

Open access · goldAbstract readReview
In one paragraph

Review in Frontiers in veterinary science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed
14.5field-weighted citation impact, top 1% of its field
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

36 citing papers in PubMed, 96 citations in OpenAlex.

  1. Review
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  9. Review
  10. Plant tannin for grazing ruminant growth.Animal frontiers : the review magazine of animal agriculture · 2025
    Article
  11. Effect ofAnimals : an open access journal from MDPI · 2025
    Article
  12. Article
  13. Review
  14. Article
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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

6 authors at 4 institutions in 2 countries.

Luis O TedeschiDepartment of Animal Science, Texas A&M University, College Station, TX, United States.
James P MuirTexas A&M AgriLife Research, Stephenville, TX, United States.
Harley D NaumannDivision of Plant Sciences, University of Missouri, Columbia, MO, United States.
Aaron B NorrisDepartment of Natural Resources Management, Texas Tech University, Lubbock, TX, United States.
Carlos A Ramírez-RestrepoCR Eco-efficient Agriculture Consultancy (CREAC)™, Bushland Beach, QLD, Australia.
Susanne U Mertens-TalcottDepartment of Nutrition and Food Science, Texas A&M University, College Station, TX, United States.
Texas A&M University · USPlant (United States) · USReef Ecologic · AUTexas Tech University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This review provides an update of ecologically relevant phytochemicals for ruminant production, focusing on their contribution to advancing nutrition. Phytochemicals embody a broad spectrum of chemical components that influence resource competence and biological advantage in determining plant species' distribution and density in different ecosystems. These natural compounds also often act as plant defensive chemicals against predatorial microbes, insects, and herbivores. They may modulate or exacerbate microbial transactions in the gastrointestinal tract and physiological responses in ruminant microbiomes. To harness their production-enhancing characteristics, phytochemicals have been actively researched as feed additives to manipulate ruminal fermentation and establish other phytochemoprophylactic (prevent animal diseases) and phytochemotherapeutic (treat animal diseases) roles. However, phytochemical-host interactions, the exact mechanism of action, and their effects require more profound elucidation to provide definitive recommendations for ruminant production. The majority of phytochemicals of nutritional and pharmacological interest are typically classified as flavonoids (9%), terpenoids (55%), and alkaloids (36%). Within flavonoids, polyphenolics (e.g., hydrolyzable and condensed tannins) have many benefits to ruminants, including reducing methane (CH

Indexed as

antinutritive factorfeed additivemethodsnutritionrumen modifiersruminants

Identifiers

PMID33748210
PMCPMC7973208
OpenAlexW3135264669

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.