Differences in enteric methane emissions across four dairy production systems in the urbanizing environment of an Indian megacity

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dc.date.accessioned2024-03-22T12:52:28Z
dc.date.available2024-03-22T12:52:28Z
dc.date.issued2024-01-17
dc.description.sponsorshipGefördert durch den Publikationsfonds der Universität Kassel
dc.identifierdoi:10.17170/kobra-202403229853
dc.identifier.urihttp://hdl.handle.net/123456789/15594
dc.language.isoeng
dc.relation.doidoi:10.3389/fsufs.2023.1204218
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectcattleeng
dc.subjectemission intensityeng
dc.subjectgreenhouse gaseng
dc.subjectIndiaeng
dc.subjecturbanizationeng
dc.subject.ddc630
dc.subject.swdIndienger
dc.subject.swdMilchwirtschaftger
dc.subject.swdMilchproduktionger
dc.subject.swdVerstädterungger
dc.subject.swdMethanemissionger
dc.titleDifferences in enteric methane emissions across four dairy production systems in the urbanizing environment of an Indian megacityeng
dc.typeAufsatz
dc.type.versionpublishedVersion
dcterms.abstractLow- and middle-income countries (LMICs) are rapidly urbanizing, leading to a high demand for high-quality animal products. Production increase is seen as a key to meeting this demand and reducing the global environmental impact of low-yielding dairy production system (DPS) often found in LMICs. Therefore, the present study assesses the relationship between enteric methane emissions and different dairy production strategies, taking DPS in the rural–urban interface of Bengaluru, an Indian megacity, as a case study. Twentyeight dairy farms, evenly distributed across four DPS, were monitored for 1 year (eight visits at 6-week intervals). Following IPCC 2006 guidelines and a Tier 2 approach, enteric methane emissions from dairy cattle were calculated as carbon dioxide equivalents (CO2 eq). Dairy producers in ExtDPS, an extensive DPS found throughout the rural–urban interface of Bengaluru, fed their dairy cattle a high-quality diet, partly based on organic wastes from markets or neighbors, achieving 9.4 kg energy-corrected milk (ECM) per cow and day. Dairy producers in Semi-ADPS, a semi-intensive and rural DPS, fed an average quality diet and achieved the lowest milk production (7.9 kg ECM cow−1 day−1; p < 0.05). Dairy producers in Semi-BDPS, another semi-intensive and rural DPS, relied on average quality but more abundant feedstuffs and achieved a production of 10.0 kg ECM cow−1 day−1. A similar milk yield (10.1 kg ECM cow−1 day−1) was achieved by IntDPS, an intensive and rural DPS. The intensity of enteric methane emissions was the highest in Semi-BDPS (1.38 kg CO2-eq kg−1 ECM; p < 0.05), lowest in ExtDPS (0.79 kg CO2-eq kg−1 ECM; p < 0.05), and intermediate in semi-ADPS and IntDPS. The results highlight the close relationship between the intensity of enteric methane emissions and the intensification strategies chosen by dairy producers based on locally available resources. They also underline the importance of region- and system-specific environmental assessments of production systems in LMICs.eng
dcterms.accessRightsopen access
dcterms.creatorReichenbach, Marion
dcterms.creatorMech, Anjumoni
dcterms.creatorPinto, Ana
dcterms.creatorMalik, Pradeep Kumar
dcterms.creatorBhatta, Raghavendra
dcterms.creatorKönig, Sven
dcterms.creatorSchlecht, Eva
dcterms.source.articlenumber1204218
dcterms.source.identifiereissn:2571-581X
dcterms.source.journalFrontiers in Sustainable Food Systemseng
dcterms.source.volumeVolume 7
kup.iskupfalse

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