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Strategies to Mitigate Enteric Methane Emissions by Ruminants

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Identification_Information:

Citation:

Citation_Information:

Originator:The Pennsylvania State University

Publication_Date:2018

Title:

Strategies to Mitigate Enteric Methane Emissions by Ruminants

Other_Citation_Details:

Claudia Arndta*, Alexander N. Hristovb, William J. Pricec, Shelby C. McClellandd, Amalia M. Pelaeze, Sergio F. Cuevab, Joonpyo Ohb, André Banninke, Ali R. Bayatf, Les A. Cromptong, Jan Dijkstrae, Maguy A. Eugèneh, D. Enahoroa, Ermias Kebreabi, Michael Kreuzerj, Mark McGeek, Cécile Martinh, Charles J. Newboldl, Christopher K. Reynoldsg, Angela Schwarmm, Kevin J. Shingfieldf**, Jolien B. Venemann, David R. Yáñez-Ruizo, and Zhongtang Yup. aInternational Livestock Research Institute (ILRI), Nairobi 00100, Kenya; bThe Pennsylvania State University, University Park, USA; cUniversity of Idaho, Moscow, USA; dColorado State University, Fort Collins, USA; eWageningen University and Research, Wageningen, The Netherlands; fNatural Resources Institute Finland, Helsinki, Finland; gUniversity of Reading, Earley Gate, Reading, UK; hINRAE, UCA-VAS, UMRH Centre ARA, Saint-Genès-Champanelle, France; iUniversity of California, Davis, USA; jETH Zurich, Zürich, Switzerland; kTeagasc, AGRIC, Grange, Ireland; lSRUC, Edinburgh, United Kingdom; mNorwegian University of Life Sciences, Aas, Norway; nDe Heus Animal Nutrition, Ede, The Netherlands; oEstación Experimental del Zaidín, CSIC, Granada, Spain; pThe Ohio State University, Columbus, USA.

Online_Linkage: http://www.datacommons.psu.edu

Description:

Abstract:

To meet the 1.5°C target, methane (CH4) from ruminants must be reduced by 11 to 30% of the 2010 level by 2030 and by 24 to 47% by 2050. A meta-analysis identified strategies to decrease product-based [PB; CH4 per unit meat or milk (CH4I)] and absolute (ABS) enteric CH4 emissions while maintaining or increasing animal productivity (AP; weight gain and milk yield). Next the potential of different adoption rates of one PB and/or ABS strategies to contribute to the 1.5°C target was estimated. The database included findings from 425 peer-reviewed studies, which reported 98 mitigation strategies that can be classified into three categories: animal and feed management, diet formulation, and rumen manipulation. A random-effects meta-analysis weighted by inverse variance was carried out. Three PB strategies, namely increasing feeding level, decreasing grass maturity, and decreasing dietary forage-to-concentrate ratio, decreased CH4I by on average 12% and increased AP by a median of 17%. Five ABS strategies, namely CH4 inhibitors, tanniferous forages, electron sinks, oils and fats, and oilseeds, decreased daily methane by on average 21%. Globally, only 100% adoption of the most effective PB and ABS strategies can meet the 1.5°C target by 2030 but not 2050, because mitigation effects are offset by projected increases in CH4 due to increasing demand. Notably, by 2030 and 2050 low- and middle-income countries may not meet their contribution to the 1.5°C target for this same reason, whereas high income countries could meet their contributions due to only a minor projected increase in enteric CH4 emissions.

Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date:2018

Currentness_Reference:

publication date

Keywords:

Theme:

Theme_Keyword_Thesaurus:ISO 19115 Topic Categories

Theme_Keyword:biota

Theme_Keyword:enteric methane

Theme_Keyword: mitigation

Theme_Keyword:meta-analysis

Access_Constraints:None.

Use_Constraints:

The University excludes any and all implied warranties, including warranties or merchantability and fitness for a particular purpose.
The University makes no warranty or representation, either express or implied, with respect to the FILES or accompanying documentation, including its quality, performance, merchantability, or fitness for a particular purpose. The FILES and documentation are provided "as is" and the USER assumes the entire risk as to its quality and performance.
The University will not be liable for any direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the FILES or any accompanying documentation.
The USER is granted permission to translate and add value to the FILES for the use of the FILES on its computer hardware; provided, however, that the USER annually notify the University of any customizing or value-adding work done.

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person:Alexander N. Hristov, Ph.D., P.A.S.

Contact_Organization:Penn State

Contact_Position:Distinguished Professor of Dairy Nutrition Department of Animal Science

Contact_Address:

Address_Type:mailing and physical address

Address:

335 ASI Building

City:University Park

State_or_Province:Pennsylvania

Postal_Code:16802

Country:United States

Contact_Voice_Telephone:814-863-3669

Contact_Electronic_Mail_Address:anh13@psu.edu

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:Penn State Data Commons

Contact_Address:

Address_Type:mailing and physical address

Address:

115 Land and Water Building

City:University Park

State_or_Province:Pennsylvania

Postal_Code:16802

Country:United States

Contact_Voice_Telephone:(814) 865 - 8792

Contact_Electronic_Mail_Address:datacommons@psu.edu

Distribution_Liability:

The USER shall indemnify, save harmless, and, if requested, defend those parties involved with the development and distribution of this data, their officers, agents, and employees from and against any suits, claims, or actions for injury, death, or property damage arising out of the use of or any defect in the FILES or any accompanying documentation. Those parties involved with the development and distribution excluded any and all implied warranties, including warranties or merchantability and fitness for a particular purpose and makes no warranty or representation, either express or implied, with respect to the FILES or accompanying documentation, including its quality, performance, merchantability, or fitness for a particular purpose. The FILES and documentation are provided "as is" and the USER assumes the entire risk as to its quality and performance. Those parties involved with the development and distribution of this data will not be liable for any direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the FILES or any accompanying documentation.

Metadata_Reference_Information:

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:Penn State Data Commons

Contact_Position:Metadata Coordinator

Contact_Address:

Address_Type:mailing address

Address:

115 Land and Water Building

City:University Park

State_or_Province:Pennsylvania

Postal_Code:16802

Country:United States

Contact_Voice_Telephone:814-865-8792

Contact_Electronic_Mail_Address:datacommons@psu.edu

Metadata_Standard_Name:FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version:FGDC-STD-001-1998

Metadata_Time_Convention:local time

Metadata_Extensions:

Profile_Name:ESRI Metadata Profile