Short communication: Comparison of the GreenFeed system with the sulfur hexafluoride tracer technique for measuring enteric methane emissions from dairy cows.
Identifieur interne : 003491 ( Ncbi/Curation ); précédent : 003490; suivant : 003492Short communication: Comparison of the GreenFeed system with the sulfur hexafluoride tracer technique for measuring enteric methane emissions from dairy cows.
Auteurs : A N Hristov [États-Unis] ; J. Oh [États-Unis] ; F. Giallongo [États-Unis] ; T. Frederick [États-Unis] ; M T Harper [États-Unis] ; H. Weeks [États-Unis] ; A F Branco ; W J Price ; P J Moate [Australie] ; M H Deighton [Australie] ; S R O. Williams [Australie] ; M. Kindermann [Suisse] ; S. DuvalSource :
- Journal of dairy science [ 1525-3198 ] ; 2016.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Hexafluorure de soufre, Méthane.
- antagonistes et inhibiteurs : Méthane.
- médecine vétérinaire : Régime alimentaire.
- pharmacologie : Propanols.
- physiologie : Bovins.
- Aliment pour animaux, Animaux, Femelle, Industrie laitière, Lactation, Lait.
English descriptors
- KwdEn :
- MESH :
Abstract
The objective of this study was to compare 2 commonly used techniques for measuring methane emissions from ruminant animals: the GreenFeed (GF) system and the sulfur hexafluoride (SF6) technique. The study was part of a larger experiment in which a methane inhibitor, 3-nitrooxypropanol, fed at 4 application rates (0, 40, 60, and 80 mg/kg of feed dry matter) decreased enteric methane emission by an average of 30% (measured by both GF and SF6) in a 12-wk experiment with 48 lactating Holstein cows fed a total mixed ration. The larger experiment used a randomized block design and was conducted in 2 phases (February to May, phase 1, and June to August, phase 2), with 2 sets of 24 cows in each phase. Using both GF and SF6 techniques, methane emission data were collected simultaneously during experimental wk 2, 6, and 12 (phase 1) and 2, 9, and 12 (phase 2), which corresponded to a total of 6 sampling periods. During each sampling period, 8 spot samples of gas emissions (staggered over a 3-d period) were collected from each cow using GF, as well as 3×24-h collections using the SF6 technique. Methane emission data were averaged per cow for the statistical analysis. The mean methane emission was 373 (standard deviation=96.3) and 405 (standard deviation=156) g/cow per day for GF and SF6, respectively. Coefficients of variation for the 2 methods were 25.8 and 38.6%, respectively; correlation and concordance between the 2 methods were 0.40 and 0.34, respectively. The difference in methane emission between the 2 methods (SF6 - GF) within treatment was from 46 to 144 and 24 to 27 g/d for phases 1 and 2, respectively. In the conditions of this experiment, the SF6 technique produced larger variability in methane emissions than the GF method. The overall difference between the 2 methods was on average about 8%, but was not consistent over time, likely influenced by barn ventilation and background methane and SF6 concentrations.
DOI: 10.3168/jds.2016-10897
PubMed: 27132101
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A F Branco<affiliation><nlm:affiliation>Departamento de Zootecnia, Universidade Estadual de Maringá, Brazil 87020-900.</nlm:affiliation><wicri:noCountry code="subField">Brazil 87020-900</wicri:noCountry></affiliation><affiliation><nlm:affiliation>Statistical Programs, College of Agricultural and Life Sciences, University of Idaho, Moscow 83844.</nlm:affiliation><wicri:noCountry code="subField">Moscow 83844</wicri:noCountry></affiliation><affiliation><nlm:affiliation>DSM Nutritional Products France, Research Centre for Animal Nutrition and Health, Saint Louis Cedex, France 68305.</nlm:affiliation><wicri:noCountry code="subField">France 68305</wicri:noCountry></affiliation>Le document en format XML
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Weeks</name><affiliation wicri:level="4"><nlm:affiliation>Department of Animal Science, The Pennsylvania State University, University Park 16802.</nlm:affiliation><orgName type="university">Université d'État de Pennsylvanie</orgName><country>États-Unis</country><placeName><settlement type="city">University Park (Pennsylvanie)</settlement><region type="state">Pennsylvanie</region></placeName></affiliation></author><author><name sortKey="Branco, A F" sort="Branco, A F" uniqKey="Branco A" first="A F" last="Branco">A F Branco</name><affiliation><nlm:affiliation>Departamento de Zootecnia, Universidade Estadual de Maringá, Brazil 87020-900.</nlm:affiliation><wicri:noCountry code="subField">Brazil 87020-900</wicri:noCountry></affiliation></author><author><name sortKey="Price, W J" sort="Price, W J" uniqKey="Price W" first="W J" last="Price">W J Price</name><affiliation><nlm:affiliation>Statistical Programs, College of Agricultural and Life Sciences, University of Idaho, Moscow 83844.</nlm:affiliation><wicri:noCountry code="subField">Moscow 83844</wicri:noCountry></affiliation></author><author><name sortKey="Moate, P J" sort="Moate, P J" uniqKey="Moate P" first="P J" last="Moate">P J Moate</name><affiliation wicri:level="1"><nlm:affiliation>Agriculture Research Division, Department of Economic Development Jobs Transport and Resources, Ellinbank Centre, Ellinbank 3821, Victoria, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Agriculture Research Division, Department of Economic Development Jobs Transport and Resources, Ellinbank Centre, Ellinbank 3821, Victoria</wicri:regionArea><wicri:noRegion>Victoria</wicri:noRegion></affiliation></author><author><name sortKey="Deighton, M H" sort="Deighton, M H" uniqKey="Deighton M" first="M H" last="Deighton">M H Deighton</name><affiliation wicri:level="1"><nlm:affiliation>Agriculture Research Division, Department of Economic Development Jobs Transport and Resources, Ellinbank Centre, Ellinbank 3821, Victoria, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Agriculture Research Division, Department of Economic Development Jobs Transport and Resources, Ellinbank Centre, Ellinbank 3821, Victoria</wicri:regionArea><wicri:noRegion>Victoria</wicri:noRegion></affiliation></author><author><name sortKey="Williams, S R O" sort="Williams, S R O" uniqKey="Williams S" first="S R O" last="Williams">S R O. Williams</name><affiliation wicri:level="1"><nlm:affiliation>Agriculture Research Division, Department of Economic Development Jobs Transport and Resources, Ellinbank Centre, Ellinbank 3821, Victoria, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Agriculture Research Division, Department of Economic Development Jobs Transport and Resources, Ellinbank Centre, Ellinbank 3821, Victoria</wicri:regionArea><wicri:noRegion>Victoria</wicri:noRegion></affiliation></author><author><name sortKey="Kindermann, M" sort="Kindermann, M" uniqKey="Kindermann M" first="M" last="Kindermann">M. Kindermann</name><affiliation wicri:level="1"><nlm:affiliation>DSM Nutritional Products, Animal Nutrition & Health, Basel CH-4002, Switzerland.</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>DSM Nutritional Products, Animal Nutrition & Health, Basel CH-4002</wicri:regionArea><wicri:noRegion>Basel CH-4002</wicri:noRegion></affiliation></author><author><name sortKey="Duval, S" sort="Duval, S" uniqKey="Duval S" first="S" last="Duval">S. Duval</name><affiliation><nlm:affiliation>DSM Nutritional Products France, Research Centre for Animal Nutrition and Health, Saint Louis Cedex, France 68305.</nlm:affiliation><wicri:noCountry code="subField">France 68305</wicri:noCountry></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2016">2016</date><idno type="RBID">pubmed:27132101</idno><idno type="pmid">27132101</idno><idno type="doi">10.3168/jds.2016-10897</idno><idno type="wicri:Area/PubMed/Corpus">001B95</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">001B95</idno><idno type="wicri:Area/PubMed/Curation">001B71</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">001B71</idno><idno type="wicri:Area/PubMed/Checkpoint">001B71</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">001B71</idno><idno type="wicri:Area/Ncbi/Merge">003491</idno><idno type="wicri:Area/Ncbi/Curation">003491</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Short communication: Comparison of the GreenFeed system with the sulfur hexafluoride tracer technique for measuring enteric methane emissions from dairy cows.</title><author><name sortKey="Hristov, A N" sort="Hristov, A N" uniqKey="Hristov A" first="A N" last="Hristov">A N Hristov</name><affiliation wicri:level="1"><nlm:affiliation>Department of Animal Science, The Pennsylvania State University, University Park 16802. Electronic address: anh13@psu.edu.</nlm:affiliation><country wicri:rule="url">États-Unis</country></affiliation></author><author><name sortKey="Oh, J" sort="Oh, J" uniqKey="Oh J" first="J" last="Oh">J. Oh</name><affiliation wicri:level="4"><nlm:affiliation>Department of Animal Science, The Pennsylvania State University, University Park 16802.</nlm:affiliation><orgName type="university">Université d'État de Pennsylvanie</orgName><country>États-Unis</country><placeName><settlement type="city">University Park (Pennsylvanie)</settlement><region type="state">Pennsylvanie</region></placeName></affiliation></author><author><name sortKey="Giallongo, F" sort="Giallongo, F" uniqKey="Giallongo F" first="F" last="Giallongo">F. Giallongo</name><affiliation wicri:level="4"><nlm:affiliation>Department of Animal Science, The Pennsylvania State University, University Park 16802.</nlm:affiliation><orgName type="university">Université d'État de Pennsylvanie</orgName><country>États-Unis</country><placeName><settlement type="city">University Park (Pennsylvanie)</settlement><region type="state">Pennsylvanie</region></placeName></affiliation></author><author><name sortKey="Frederick, T" sort="Frederick, T" uniqKey="Frederick T" first="T" last="Frederick">T. Frederick</name><affiliation wicri:level="4"><nlm:affiliation>Department of Animal Science, The Pennsylvania State University, University Park 16802.</nlm:affiliation><orgName type="university">Université d'État de Pennsylvanie</orgName><country>États-Unis</country><placeName><settlement type="city">University Park (Pennsylvanie)</settlement><region type="state">Pennsylvanie</region></placeName></affiliation></author><author><name sortKey="Harper, M T" sort="Harper, M T" uniqKey="Harper M" first="M T" last="Harper">M T Harper</name><affiliation wicri:level="4"><nlm:affiliation>Department of Animal Science, The Pennsylvania State University, University Park 16802.</nlm:affiliation><orgName type="university">Université d'État de Pennsylvanie</orgName><country>États-Unis</country><placeName><settlement type="city">University Park (Pennsylvanie)</settlement><region type="state">Pennsylvanie</region></placeName></affiliation></author><author><name sortKey="Weeks, H" sort="Weeks, H" uniqKey="Weeks H" first="H" last="Weeks">H. Weeks</name><affiliation wicri:level="4"><nlm:affiliation>Department of Animal Science, The Pennsylvania State University, University Park 16802.</nlm:affiliation><orgName type="university">Université d'État de Pennsylvanie</orgName><country>États-Unis</country><placeName><settlement type="city">University Park (Pennsylvanie)</settlement><region type="state">Pennsylvanie</region></placeName></affiliation></author><author><name sortKey="Branco, A F" sort="Branco, A F" uniqKey="Branco A" first="A F" last="Branco">A F Branco</name><affiliation><nlm:affiliation>Departamento de Zootecnia, Universidade Estadual de Maringá, Brazil 87020-900.</nlm:affiliation><wicri:noCountry code="subField">Brazil 87020-900</wicri:noCountry></affiliation></author><author><name sortKey="Price, W J" sort="Price, W J" uniqKey="Price W" first="W J" last="Price">W J Price</name><affiliation><nlm:affiliation>Statistical Programs, College of Agricultural and Life Sciences, University of Idaho, Moscow 83844.</nlm:affiliation><wicri:noCountry code="subField">Moscow 83844</wicri:noCountry></affiliation></author><author><name sortKey="Moate, P J" sort="Moate, P J" uniqKey="Moate P" first="P J" last="Moate">P J Moate</name><affiliation wicri:level="1"><nlm:affiliation>Agriculture Research Division, Department of Economic Development Jobs Transport and Resources, Ellinbank Centre, Ellinbank 3821, Victoria, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Agriculture Research Division, Department of Economic Development Jobs Transport and Resources, Ellinbank Centre, Ellinbank 3821, Victoria</wicri:regionArea><wicri:noRegion>Victoria</wicri:noRegion></affiliation></author><author><name sortKey="Deighton, M H" sort="Deighton, M H" uniqKey="Deighton M" first="M H" last="Deighton">M H Deighton</name><affiliation wicri:level="1"><nlm:affiliation>Agriculture Research Division, Department of Economic Development Jobs Transport and Resources, Ellinbank Centre, Ellinbank 3821, Victoria, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Agriculture Research Division, Department of Economic Development Jobs Transport and Resources, Ellinbank Centre, Ellinbank 3821, Victoria</wicri:regionArea><wicri:noRegion>Victoria</wicri:noRegion></affiliation></author><author><name sortKey="Williams, S R O" sort="Williams, S R O" uniqKey="Williams S" first="S R O" last="Williams">S R O. Williams</name><affiliation wicri:level="1"><nlm:affiliation>Agriculture Research Division, Department of Economic Development Jobs Transport and Resources, Ellinbank Centre, Ellinbank 3821, Victoria, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Agriculture Research Division, Department of Economic Development Jobs Transport and Resources, Ellinbank Centre, Ellinbank 3821, Victoria</wicri:regionArea><wicri:noRegion>Victoria</wicri:noRegion></affiliation></author><author><name sortKey="Kindermann, M" sort="Kindermann, M" uniqKey="Kindermann M" first="M" last="Kindermann">M. Kindermann</name><affiliation wicri:level="1"><nlm:affiliation>DSM Nutritional Products, Animal Nutrition & Health, Basel CH-4002, Switzerland.</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>DSM Nutritional Products, Animal Nutrition & Health, Basel CH-4002</wicri:regionArea><wicri:noRegion>Basel CH-4002</wicri:noRegion></affiliation></author><author><name sortKey="Duval, S" sort="Duval, S" uniqKey="Duval S" first="S" last="Duval">S. Duval</name><affiliation><nlm:affiliation>DSM Nutritional Products France, Research Centre for Animal Nutrition and Health, Saint Louis Cedex, France 68305.</nlm:affiliation><wicri:noCountry code="subField">France 68305</wicri:noCountry></affiliation></author></analytic><series><title level="j">Journal of dairy science</title><idno type="eISSN">1525-3198</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animal Feed</term><term>Animals</term><term>Cattle (physiology)</term><term>Dairying</term><term>Diet (veterinary)</term><term>Female</term><term>Lactation</term><term>Methane (analysis)</term><term>Methane (antagonists & inhibitors)</term><term>Milk (chemistry)</term><term>Propanols (pharmacology)</term><term>Sulfur Hexafluoride (analysis)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Aliment pour animaux</term><term>Animaux</term><term>Bovins (physiologie)</term><term>Femelle</term><term>Hexafluorure de soufre (analyse)</term><term>Industrie laitière</term><term>Lactation</term><term>Lait ()</term><term>Méthane (analyse)</term><term>Méthane (antagonistes et inhibiteurs)</term><term>Propanols (pharmacologie)</term><term>Régime alimentaire (médecine vétérinaire)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Methane</term><term>Sulfur Hexafluoride</term></keywords><keywords scheme="MESH" type="chemical" qualifier="antagonists & inhibitors" xml:lang="en"><term>Methane</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Hexafluorure de soufre</term><term>Méthane</term></keywords><keywords scheme="MESH" qualifier="antagonistes et inhibiteurs" xml:lang="fr"><term>Méthane</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Milk</term></keywords><keywords scheme="MESH" qualifier="médecine vétérinaire" xml:lang="fr"><term>Régime alimentaire</term></keywords><keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Propanols</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Propanols</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Bovins</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Cattle</term></keywords><keywords scheme="MESH" qualifier="veterinary" xml:lang="en"><term>Diet</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animal Feed</term><term>Animals</term><term>Dairying</term><term>Female</term><term>Lactation</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Aliment pour animaux</term><term>Animaux</term><term>Femelle</term><term>Industrie laitière</term><term>Lactation</term><term>Lait</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The objective of this study was to compare 2 commonly used techniques for measuring methane emissions from ruminant animals: the GreenFeed (GF) system and the sulfur hexafluoride (SF6) technique. The study was part of a larger experiment in which a methane inhibitor, 3-nitrooxypropanol, fed at 4 application rates (0, 40, 60, and 80 mg/kg of feed dry matter) decreased enteric methane emission by an average of 30% (measured by both GF and SF6) in a 12-wk experiment with 48 lactating Holstein cows fed a total mixed ration. The larger experiment used a randomized block design and was conducted in 2 phases (February to May, phase 1, and June to August, phase 2), with 2 sets of 24 cows in each phase. Using both GF and SF6 techniques, methane emission data were collected simultaneously during experimental wk 2, 6, and 12 (phase 1) and 2, 9, and 12 (phase 2), which corresponded to a total of 6 sampling periods. During each sampling period, 8 spot samples of gas emissions (staggered over a 3-d period) were collected from each cow using GF, as well as 3×24-h collections using the SF6 technique. Methane emission data were averaged per cow for the statistical analysis. The mean methane emission was 373 (standard deviation=96.3) and 405 (standard deviation=156) g/cow per day for GF and SF6, respectively. Coefficients of variation for the 2 methods were 25.8 and 38.6%, respectively; correlation and concordance between the 2 methods were 0.40 and 0.34, respectively. The difference in methane emission between the 2 methods (SF6 - GF) within treatment was from 46 to 144 and 24 to 27 g/d for phases 1 and 2, respectively. In the conditions of this experiment, the SF6 technique produced larger variability in methane emissions than the GF method. The overall difference between the 2 methods was on average about 8%, but was not consistent over time, likely influenced by barn ventilation and background methane and SF6 concentrations.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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