Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

What are Populations and Communities?

What are Populations and Communities?

Bacterial Signaling

Bacterial Signaling

Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...

Impact of Groups on Groups

Impact of Groups on Groups

Social psychologists analyze how groups influence one another, shaping social structures and interactions through both cooperation and competition. These dynamics manifest in various ways, ranging from economic partnerships to intergroup conflicts that shape societal structures and perceptions.Cooperation and Competition in Intergroup RelationsIntergroup relationships vary across contexts, sometimes fostering cooperation and mutual benefit while at other times leading to conflict and...

Impact

Impact

Impact occurs when two bodies collide, leading to the application of impulsive forces between them. Analyzing impact mechanics involves considering two colliding particles moving along a line known as the line of impact, which passes through their centers and is perpendicular to the contact plane.
When particles with different initial velocities collide, they induce deformation by applying equal and opposite impulses. At the point of maximum deformation, the particles move together with...

Community Based Intervention

Community Based Intervention

Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...

Structures of Solids

Structures of Solids

Solids in which the atoms, ions, or molecules are arranged in a definite repeating pattern are known as crystalline solids. Metals and ionic compounds typically form ordered, crystalline solids. A crystalline solid has a precise melting temperature because each atom or molecule of the same type is held in place with the same forces or energy. Amorphous solids or non-crystalline solids (or, sometimes, glasses) which lack an ordered internal structure and are randomly arranged. Substances that...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Exercise-associated microbial metabolites prevent skeletal muscle atrophy in adult female mice.

Nature communications·2026

Same author

Seasonal relationship between liver abscesses and feeding behavior in crossbred beef cattle.

Translational animal science·2026

Same author

Maternal obesity alters adipogenic potential and mitochondrial maximal respiration in infant mesenchymal stem cells.

Frontiers in endocrinology·2026

Same author

Maternal Liver Retinol Stores Do Not Ensure Adequate Calf Vitamin A Under Restricted Late-Gestation Vitamin A Intake.

Animal science journal = Nihon chikusan Gakkaiho·2026

Same author

Detection of <i>Mycoplasma bovirhinis</i> and bovine coronavirus in an outbreak of bovine respiratory disease in nursing beef calves.

Frontiers in microbiomes·2026

Same author

The effect of biochanin A on the antibiotic susceptibilities of Escherichia coli grown under different respiration and metabolic conditions on agar media.

BMC microbiology·2026

Search research articles

Related Experiment Video

Updated: Feb 12, 2026

The Use of Traditional Fear Tests to Evaluate Different Emotional Circuits in Cattle

The Use of Traditional Fear Tests to Evaluate Different Emotional Circuits in Cattle

Published on: April 22, 2020

Rumen bacterial community structure impacts feed efficiency in beef cattle.

Henry A Paz¹, Kristin E Hales², James E Wells²

¹Department of Animal Science, University of Nebraska-Lincoln, Lincoln, NE.

Journal of Animal Science

|April 5, 2018

Summary

The rumen microbiome significantly impacts beef cattle feed efficiency. Specific bacterial groups, Prevotellaceae, Victivallaceae, and Lachnospiraceae, were identified as key predictors of feed intake, weight gain, and feed conversion efficiency.

More Related Videos

A Bacterial Oral Feeding Assay with Antibiotic-Treated Mosquitoes

A Bacterial Oral Feeding Assay with Antibiotic-Treated Mosquitoes

Published on: September 12, 2020

Efficient Nucleic Acid Extraction and 16S rRNA Gene Sequencing for Bacterial Community Characterization

Efficient Nucleic Acid Extraction and 16S rRNA Gene Sequencing for Bacterial Community Characterization

Published on: April 14, 2016

Related Experiment Videos

Last Updated: Feb 12, 2026

The Use of Traditional Fear Tests to Evaluate Different Emotional Circuits in Cattle

The Use of Traditional Fear Tests to Evaluate Different Emotional Circuits in Cattle

Published on: April 22, 2020

A Bacterial Oral Feeding Assay with Antibiotic-Treated Mosquitoes

A Bacterial Oral Feeding Assay with Antibiotic-Treated Mosquitoes

Published on: September 12, 2020

Efficient Nucleic Acid Extraction and 16S rRNA Gene Sequencing for Bacterial Community Characterization

Efficient Nucleic Acid Extraction and 16S rRNA Gene Sequencing for Bacterial Community Characterization

Published on: April 14, 2016

Area of Science:

Animal Science
Microbiology
Genetics

Background:

The rumen microbiota plays a crucial role in nutrient cycling for livestock.
Limited understanding exists regarding the specific influence of rumen microbiome composition on feed efficiency in beef cattle.

Purpose of the Study:

To characterize rumen microbiomes in large cohorts of heifers and steers.
To identify specific bacterial operational taxonomic units (OTUs) associated with feed efficiency traits (average daily feed intake [ADFI], average daily gain [ADG], and gain:feed [G:F]).

Main Methods:

Rumen samples from 125 heifers and 122 steers were analyzed using 16S rRNA gene sequencing.
Animals were classified into divergent feed efficiency groups based on performance measures.
Regression analyses identified differentially abundant OTUs and their predictive value for feed efficiency traits.

Main Results:

OTUs from Prevotellaceae and Victivallaceae were associated with feed efficiency in heifers.
OTUs from Prevotellaceae and Lachnospiraceae were associated with feed efficiency in steers.
Models explained significant variation in feed efficiency traits, up to 32.5% in steers.

Conclusions:

The rumen microbiome composition substantially influences feed efficiency in beef cattle.
Specific bacterial families are predictive of feed efficiency traits in different cattle cohorts.
Targeting the rumen microbiome could offer strategies to enhance feed efficiency in beef production.