Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Production Efficiency01:01

Production Efficiency

18.8K
Net production efficiency (NPE) is the efficiency at which organisms assimilate energy into biomass for the next trophic level. Due to low metabolic rates and less energy spent on thermoregulatory processes, the NPE of ectotherms (cold-blooded animals) is 10 times higher than endotherms (warm-blooded animals).
18.8K
Oxygen Requirements and Growth Patterns01:29

Oxygen Requirements and Growth Patterns

1.7K
Microorganisms exhibit diverse oxygen requirements and growth patterns driven by their metabolic strategies and environmental adaptations. Oxygen, while essential for many organisms, can also be toxic under certain conditions, shaping how microorganisms grow and survive.Oxygen Requirements of MicroorganismsMicroorganisms are classified based on their ability to use or tolerate oxygen:● Obligate aerobes like Mycobacterium tuberculosis need oxygen for energy production, as it serves as the...
1.7K

You might also read

Related Articles

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

Sort by
Same author

Different goals, common ground: A global perspective on dairy breeding objectives.

JDS communications·2026
Same author

Invited review: Global census on the development and implementation of direct genetic selection for enteric methane emissions in dairy cattle.

Journal of dairy science·2026
Same author

Characterization of fecal bacterial microbiomes according to fecal color, consistency, and sample type in piglets before and after weaning.

Frontiers in veterinary science·2026
Same author

Klinefelter syndrome in a Holstein-Friesian bull: a case report.

Irish veterinary journal·2026
Same author

Whole-genome sequencing reveals genomic diversity and selection signatures for adaptation in South African Afrikaner and Bonsmara cattle.

Frontiers in genetics·2026
Same author

Relationship between cow parity and maternal parity on dairy cow lactation performance.

JDS communications·2026
Same journal

Identifying selection signatures associated with production traits in Matou goats using whole-genome sequencing.

Journal of animal science·2026
Same journal

Chromium propionate supplementation modulates rumen fermentation, immune response, temperament, and growth of recently weaned brangus steers.

Journal of animal science·2026
Same journal

In vivo methane abatement by pyromellitic diimide in sheep and redirection of rumen hydrogen by co-administered feed additives.

Journal of animal science·2026
Same journal

Ruminal 5-hydroxytryptophan increases serum serotonin and peripheral vasodilation in growing beef cattle.

Journal of animal science·2026
Same journal

Water intake and consumption behaviour of colony and privately-owned healthy domestic cats fed 100% dry, 50% dry and 50% wet, and 100% wet diets: A comparison of research and home environments.

Journal of animal science·2026
Same journal

Gestational Vitamin and Mineral Supplementation in F0 Beef Heifers: Impacts on F1 Heifer Nutrient Digestibility, Metabolic Balance, and F1 Dam and F2 Fetus Development.

Journal of animal science·2026
See all related articles

Related Experiment Video

Updated: Feb 26, 2026

The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals
11:02

The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals

Published on: September 7, 2015

23.2K

Feed efficiency metrics in growing pigs.

J A Calderón Díaz, D P Berry, N Rebeiz

    Journal of Animal Science
    |July 21, 2017
    PubMed
    Summary
    This summary is machine-generated.

    This study quantifies pig feed efficiency by examining interrelationships between various measures. More efficient pigs, particularly those with lower residual energy intake (REI), show economic benefits for producers.

    More Related Videos

    Providing Meaningful Environmental Enrichment and Measuring Saliva Cortisol in Pigs Housed on Slatted Flooring
    07:02

    Providing Meaningful Environmental Enrichment and Measuring Saliva Cortisol in Pigs Housed on Slatted Flooring

    Published on: September 30, 2019

    7.8K
    Transdermal Measurement of Glomerular Filtration Rate in Mechanically Ventilated Piglets
    07:41

    Transdermal Measurement of Glomerular Filtration Rate in Mechanically Ventilated Piglets

    Published on: September 13, 2022

    3.7K

    Related Experiment Videos

    Last Updated: Feb 26, 2026

    The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals
    11:02

    The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals

    Published on: September 7, 2015

    23.2K
    Providing Meaningful Environmental Enrichment and Measuring Saliva Cortisol in Pigs Housed on Slatted Flooring
    07:02

    Providing Meaningful Environmental Enrichment and Measuring Saliva Cortisol in Pigs Housed on Slatted Flooring

    Published on: September 30, 2019

    7.8K
    Transdermal Measurement of Glomerular Filtration Rate in Mechanically Ventilated Piglets
    07:41

    Transdermal Measurement of Glomerular Filtration Rate in Mechanically Ventilated Piglets

    Published on: September 13, 2022

    3.7K

    Area of Science:

    • Animal Science
    • Agricultural Science
    • Genetics and Breeding

    Background:

    • Feed efficiency is crucial for sustainable pig production.
    • Quantifying interrelationships between different feed efficiency metrics is essential for accurate selection.
    • Understanding these relationships can optimize breeding programs and reduce production costs.

    Purpose of the Study:

    • To quantify the interrelationships between diverse feed efficiency measures in growing pigs.
    • To characterize pigs that are divergent for specific feed efficiency traits.
    • To assess the potential economic benefits of selecting for improved feed efficiency.

    Main Methods:

    • Utilized data from 311 growing pigs (42-91 days of age).
    • Measured growth metrics (BW, EI, ADG) and feed efficiency traits (ECR, Kleiber ratio, RGR, REI, RDG, RIG, RMW).
    • Estimated Pearson correlations and stratified pigs based on residual trait rankings (high, medium, low).

    Main Results:

    • Significant interanimal variability observed in all metrics.
    • Male pigs outperformed females in most metrics, except BW and EI.
    • Feed efficiency improved with increased birth BW, except for RGR.
    • Strong to moderate correlations found between most growth and feed efficiency metrics.
    • Pigs with lower REI consumed less energy and had superior RIG.
    • High-RDG pigs exhibited greater BW gain and better ECR, REI, and RIG.
    • High-RIG pigs demonstrated lower EI and superior ECR for RDG and REI.

    Conclusions:

    • Each feed efficiency trait measures a distinct aspect of efficiency in pigs.
    • Moderate to strong correlations suggest that improving one trait can positively impact others.
    • Selecting for residual traits like REI can lead to reduced energy consumption and economic advantages for producers.