Reducing methane emissions in sheep by immunization against rumen methanogens

This work was conducted to determine if methane emissions from sheep immunized with an anti-methanogen vaccine were significantly lower than methane emissions from non-immunized sheep, to test the effectiveness of two different vaccine formulations (VF) on methane abatement, and to compare methane e...

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Veröffentlicht in:Vaccine 2004-09, Vol.22 (29), p.3976-3985
Hauptverfasser: Wright, A.D.G., Kennedy, P., O’Neill, C.J., Toovey, A.F., Popovski, S., Rea, S.M., Pimm, C.L., Klein, L.
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container_end_page 3985
container_issue 29
container_start_page 3976
container_title Vaccine
container_volume 22
creator Wright, A.D.G.
Kennedy, P.
O’Neill, C.J.
Toovey, A.F.
Popovski, S.
Rea, S.M.
Pimm, C.L.
Klein, L.
description This work was conducted to determine if methane emissions from sheep immunized with an anti-methanogen vaccine were significantly lower than methane emissions from non-immunized sheep, to test the effectiveness of two different vaccine formulations (VF) on methane abatement, and to compare methane emissions measured using a closed-circuit respiration chamber and the sulphur-hexafluoride (SF 6) tracer technique. Thirty mature wether sheep were randomly allocated to three treatment groups ( n=10). One group received an immunization of adjuvant only on days 0 and 153 (control), a second group received an immunization with a 3-methanogen mix on days 0 and 153 (VF3+3), and a third group received an immunization of a 7-methanogen mix on day 0 followed by a 3-methanogen mix on day 153 (VF7+3). Four weeks post-secondary immunization, there was a significant 7.7% reduction in methane production per kg dry matter intake in the VF3+3 group compared to the controls ( P=0.051). However, methane emissions from sheep immunized with VF7+3 were not significantly different when compared to the sheep in the control group ( P=0.883). The average IgG and IgA antibody titres in both plasma and saliva of the VF3+3 immunized sheep were four to nine times higher than those immunized with VF7+3 ( P
doi_str_mv 10.1016/j.vaccine.2004.03.053
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Thirty mature wether sheep were randomly allocated to three treatment groups ( n=10). One group received an immunization of adjuvant only on days 0 and 153 (control), a second group received an immunization with a 3-methanogen mix on days 0 and 153 (VF3+3), and a third group received an immunization of a 7-methanogen mix on day 0 followed by a 3-methanogen mix on day 153 (VF7+3). Four weeks post-secondary immunization, there was a significant 7.7% reduction in methane production per kg dry matter intake in the VF3+3 group compared to the controls ( P=0.051). However, methane emissions from sheep immunized with VF7+3 were not significantly different when compared to the sheep in the control group ( P=0.883). The average IgG and IgA antibody titres in both plasma and saliva of the VF3+3 immunized sheep were four to nine times higher than those immunized with VF7+3 ( P&lt;0.001) at both 3 and 6 weeks post-secondary immunization. Data also revealed that SF 6 methane estimates were consistently higher than the respiration chamber estimates and that there was no significant correlation between the SF 6 methane estimates and the respiration chamber methane estimates ( R 2=0.11).</description><identifier>ISSN: 0264-410X</identifier><identifier>EISSN: 1873-2518</identifier><identifier>DOI: 10.1016/j.vaccine.2004.03.053</identifier><identifier>PMID: 15364447</identifier><identifier>CODEN: VACCDE</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Adjuvants, Immunologic ; Animals ; Antibodies, Archaeal - analysis ; Applied microbiology ; Archaea - immunology ; Archaea - metabolism ; Biological and medical sciences ; Climate change ; Dry matter ; Emission measurements ; Emissions ; Environmental protection ; Experiments ; Fundamental and applied biological sciences. Psychology ; Greenhouse gas ; Greenhouse gases ; Immune system ; Immunization ; Immunization, Secondary ; Immunoglobulin A - analysis ; Immunoglobulin G - analysis ; Kinetics ; Livestock ; Medical research ; Methane ; Methane - metabolism ; Methanobacterium - immunology ; Methanobacterium - metabolism ; Methanobrevibacter - immunology ; Methanobrevibacter - metabolism ; Methanomicrobiaceae - immunology ; Methanomicrobiaceae - metabolism ; Methanosarcina - immunology ; Methanosarcina - metabolism ; Microbiology ; Respiration ; Rumen - immunology ; Rumen - microbiology ; Ruminants ; Saliva - immunology ; Sheep ; Sheep - immunology ; Sheep - microbiology ; Studies ; Time Factors ; Tracer techniques ; Vaccine ; Vaccines ; Vaccines - administration &amp; dosage ; Vaccines - immunology ; Vaccines, antisera, therapeutical immunoglobulins and monoclonal antibodies (general aspects)</subject><ispartof>Vaccine, 2004-09, Vol.22 (29), p.3976-3985</ispartof><rights>2004 Elsevier Ltd</rights><rights>2004 INIST-CNRS</rights><rights>Copyright Elsevier Limited Sep 28, 2004</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c483t-41073002b7e82313a8e8312075791b21d1de71927bd9490d1bc398cfcaa568463</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/1559058810?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995,64385,64387,64389,72469</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=16114703$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15364447$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wright, A.D.G.</creatorcontrib><creatorcontrib>Kennedy, P.</creatorcontrib><creatorcontrib>O’Neill, C.J.</creatorcontrib><creatorcontrib>Toovey, A.F.</creatorcontrib><creatorcontrib>Popovski, S.</creatorcontrib><creatorcontrib>Rea, S.M.</creatorcontrib><creatorcontrib>Pimm, C.L.</creatorcontrib><creatorcontrib>Klein, L.</creatorcontrib><title>Reducing methane emissions in sheep by immunization against rumen methanogens</title><title>Vaccine</title><addtitle>Vaccine</addtitle><description>This work was conducted to determine if methane emissions from sheep immunized with an anti-methanogen vaccine were significantly lower than methane emissions from non-immunized sheep, to test the effectiveness of two different vaccine formulations (VF) on methane abatement, and to compare methane emissions measured using a closed-circuit respiration chamber and the sulphur-hexafluoride (SF 6) tracer technique. 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Data also revealed that SF 6 methane estimates were consistently higher than the respiration chamber estimates and that there was no significant correlation between the SF 6 methane estimates and the respiration chamber methane estimates ( R 2=0.11).</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>15364447</pmid><doi>10.1016/j.vaccine.2004.03.053</doi><tpages>10</tpages></addata></record>
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subjects Adjuvants, Immunologic
Animals
Antibodies, Archaeal - analysis
Applied microbiology
Archaea - immunology
Archaea - metabolism
Biological and medical sciences
Climate change
Dry matter
Emission measurements
Emissions
Environmental protection
Experiments
Fundamental and applied biological sciences. Psychology
Greenhouse gas
Greenhouse gases
Immune system
Immunization
Immunization, Secondary
Immunoglobulin A - analysis
Immunoglobulin G - analysis
Kinetics
Livestock
Medical research
Methane
Methane - metabolism
Methanobacterium - immunology
Methanobacterium - metabolism
Methanobrevibacter - immunology
Methanobrevibacter - metabolism
Methanomicrobiaceae - immunology
Methanomicrobiaceae - metabolism
Methanosarcina - immunology
Methanosarcina - metabolism
Microbiology
Respiration
Rumen - immunology
Rumen - microbiology
Ruminants
Saliva - immunology
Sheep
Sheep - immunology
Sheep - microbiology
Studies
Time Factors
Tracer techniques
Vaccine
Vaccines
Vaccines - administration & dosage
Vaccines - immunology
Vaccines, antisera, therapeutical immunoglobulins and monoclonal antibodies (general aspects)
title Reducing methane emissions in sheep by immunization against rumen methanogens
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