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

Green Algae01:21

Green Algae

70
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
70
Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

102
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
102
Overview of Archaea01:29

Overview of Archaea

73
Archaea, named after the Archaean eon, represent a unique domain of life, distinct from bacteria and eukaryotes, with remarkable traits. Their cellular and molecular features, ecological adaptability, and industrial relevance highlight their importance in understanding life processes and leveraging biotechnology.Cellular and Molecular CharacteristicsA defining feature of archaea is their unique membrane composition. Archaeal membranes contain ether-linked isoprenoid lipids, which confer...
73

You might also read

Related Articles

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

Sort by
Same author

Association of small dense LDL cholesterol and inflammation with plaque rupture in acute coronary syndrome: An OCT study.

Journal of clinical lipidology·2026
Same author

Cold Agglutinin Disease-Like Genetic Signatures in Lymphoplasmacytic Lymphoma-Like Cases Challenge the WHO Fifth Edition Classification.

EJHaem·2026
Same author

Phylogenetic and Ecological Characteristics of Uncultured Succinivibrionaceae Detected in the Rumen of Low Methane-Producing Cows.

Animal science journal = Nihon chikusan Gakkaiho·2026
Same author

Reduction in hippocampal cholinergic neurostimulating peptide enhances memory impairment in App<sup>NL-G-F</sup> KI mice.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same author

A low temperature-adapted <i>Euglena gracilis</i> ecotype for outdoor biomass production in colder climates.

Applied and environmental microbiology·2026
Same author

Association of the residual SYNTAX score on clinical outcomes in patients with acute coronary syndrome.

Atherosclerosis·2026

Related Experiment Video

Updated: Aug 7, 2025

Author Spotlight: Scaling Microalgal Biotechnology for Enhanced Biomethane Production
07:34

Author Spotlight: Scaling Microalgal Biotechnology for Enhanced Biomethane Production

Published on: March 22, 2024

2.6K

Micro- and Macro-Algae Combination as a Novel Alternative Ruminant Feed with Methane-Mitigation Potential.

Eslam Ahmed1,2, Kengo Suzuki3, Takehiro Nishida1

  • 1Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Inada, Obihiro 080-8555, Japan.

Animals : an Open Access Journal From MDPI
|March 11, 2023
PubMed
Summary

This study explored using Euglena gracilis (EG) and Asparagopsis taxiformis (AT) as feed additives to reduce methane production in livestock. Combining these algae demonstrated a synergistic effect, significantly lowering emissions without harming animal digestion.

Keywords:
Asparagopsis taxiformisdigestibilityeuglenafeed additivesglobal warmingnutritive valuerumen fermentation

More Related Videos

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
11:08

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids

Published on: January 7, 2019

21.2K
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

22.1K

Related Experiment Videos

Last Updated: Aug 7, 2025

Author Spotlight: Scaling Microalgal Biotechnology for Enhanced Biomethane Production
07:34

Author Spotlight: Scaling Microalgal Biotechnology for Enhanced Biomethane Production

Published on: March 22, 2024

2.6K
Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
11:08

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids

Published on: January 7, 2019

21.2K
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

22.1K

Area of Science:

  • Animal Science
  • Marine Biotechnology
  • Sustainable Agriculture

Background:

  • Methane emissions from livestock contribute significantly to greenhouse gases.
  • Developing sustainable feed alternatives is crucial for reducing the environmental impact of animal agriculture.
  • Euglena gracilis (EG) and Asparagopsis taxiformis (AT) are potential feed additives with nutritional and methane-reducing properties.

Purpose of the Study:

  • To evaluate the efficacy of EG and AT, individually and in combination, in reducing methane production in ruminants.
  • To assess the nutritional value of EG as a feed component.
  • To determine the impact of these algae on ruminal fermentation parameters.

Main Methods:

  • In vitro batch culture system for 24 hours.
  • Chemical analysis of Euglena gracilis for nutritional content (protein, fat).
  • Supplementation of Asparagopsis taxiformis at 1% and 2.5% of the diet.
  • Inclusion of Euglena gracilis at 10% and 25% of the diet, replacing concentrate.
  • Analysis of methane production and ruminal fermentation parameters.

Main Results:

  • Euglena gracilis is a nutrient-rich feed (26.1% protein, 17.7% fat).
  • Asparagopsis taxiformis at 1% and 2.5% reduced methane by 21% and 80%, respectively.
  • Euglena gracilis at 10% and 25% reduced methane by 4% and 11%, respectively.
  • Combinations of AT (1%) with EG (10% or 25%) showed synergistic effects, reducing methane by 29.9% and 40.0% without adverse fermentation impacts.

Conclusions:

  • A novel feed formulation combining Euglena gracilis and Asparagopsis taxiformis offers a synergistic approach to significantly reduce methane emissions.
  • This strategy presents a promising avenue for sustainable animal production.
  • The tested algae are effective and safe feed additives for ruminants, improving environmental sustainability.