Enteric methane mitigation strategies for ruminant livestock systems in the Latin America and Caribbean region: A meta-analysis

Congio, Guilhermo Francklin de Souza; Bannink, A.; Mogollón, Olga Lucía Mayorga; Hristov, A.N.; Jaurena, Gustavo; Gonda, Horacio Leandro; Gere, José Ignacio; Cerón‐Cucchi, María Esperanza; Ortiz‐Chura, Abimael; Tieri, María Paz; Hernández, Olegario; Ricci, Patrícia; Juliarena, María Paula; Lombardi, Banira; Abdalla, Adibe Luiz; Filho, Adibe Luiz Abdalla; Berndt, A.; Oliveira, P. P. A.; Henrique, Fábio Luís; Monteiro, Alda Lúcia Gomes; Borges, Luiza Ilha; Ribeiro-Filho, Henrique Mendonça Nunes; Pereira, L. G. R.; Tomich, T. R.; Campos, M. M.; Machado, F. S.; Marcondes, Marcos Inácio; Mercadante, Maria Eugênia Zerlotti; Sakamoto, L. S.; Albuquerque, Lúcia Galvão de; Carvalho, Paulo César de Faccio; Rossetto, J.; Savian, Jean Víctor; Rodrigues, Paulo Henrique Mazza; Júnior, Flávio Perna; Silvestre, T.; Maurício, Rogério Martins; Rodrigues, João Paulo Pacheco; Borges, A. L. C. C.; Silva, Ricardo Reis e; Lage, Helena Ferreira; Reis, Ricardo Andrade; Ruggieri, Ana Cláudia; Cardoso, Abmael da Silva; Silva, Sila Carneiro da; Chiavegato, M. B.; Valadares-Filho, Sebastião de Campos; Silva, Flávia Adriane de Sales; Zanetti, Diego; Berchielli, Telma Teresinha; Messana, Juliana Duarte; Muñoz, Camila; Ariza-Nieto, Claudia; Sierra-Alarcón, Andrea Milena; Gualdrón-Duarte, Laura B.; Mestra-Vargas, Lorena Inés; Molina-Botero, Isabel Cristina; Barahona-Rosales, Rolando; Arango, Jacobo; Gaviria, Xiomara; Giraldo, L. A.; Rosero-Noguera, Ricardo; Posada-Ochoa, Sandra L.; Abarca-Monge, Sergio; Soto-Blanco, Roberto; Kú-Vera, Juan Carlos; Jiménez-Ocampo, Rafael; Flores-Santiago, Ever del Jesus; Castelán-Ortega, Octavio Alonso; Vázquez-Carrillo, María Fernanda; Benaouda, Mohammed; Bravo, Carlos Gómez; Bolovich, Víctor Ilich Alvarado; Cespedes, M.; Astigarraga, Laura

doi:10.1016/j.jclepro.2021.127693

Cited by 64 publications

(38 citation statements)

References 84 publications

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“…Methane yield is only one relevant measure, and other major CH 4 emission and animal performance metrics must be considered to determine the effectiveness and feasibility of mitigation strategies. Only one recent publication examined the quantitative effects of multiple mitigation strategies on CH 4 emission and animal performance metrics, but the analysis was limited to Latin America ( 21 ). Important CH 4 emission metrics include daily CH 4 emissions, CH 4 Y, or CH 4 -energy conversion factor [Y m ; CH 4 energy as a proportion of gross energy intake; a component of the tier 2 calculation for national GHG inventories recommended by the Intergovernmental Panel on Climate Change ( 22 )], CH 4 I G , and CH 4 I M .…”

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confidence: 99%

Full adoption of the most effective strategies to mitigate methane emissions by ruminants can help meet the 1.5 °C target by 2030 but not 2050

Arndt

Hristov

Price

et al. 2022

Proc. Natl. Acad. Sci. U.S.A.

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168

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Significance Agricultural methane emissions must be decreased by 11 to 30% of the 2010 level by 2030 and by 24 to 47% by 2050 to meet the 1.5 °C target. We identified three strategies to decrease product-based methane emissions while increasing animal productivity and five strategies to decrease absolute methane emissions without reducing animal productivity. Globally, 100% adoption of the most effective product-based and absolute methane emission mitigation strategy can meet the 1.5 °C target by 2030 but not 2050, because mitigation effects are offset by projected increases in methane. On a regional level, Europe but not Africa may be able to meet their contribution to the 1.5 °C target, highlighting the different challenges faced by high- and middle- and low-income countries.

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mentioning

confidence: 99%

Full adoption of the most effective strategies to mitigate methane emissions by ruminants can help meet the 1.5 °C target by 2030 but not 2050

Arndt

Hristov

Price

et al. 2022

Proc. Natl. Acad. Sci. U.S.A.

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168

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“…Data from our experiments confirm that the supplementation of animals grazing on low-quality forage can increase DM intake, the efficiency of nutrients utilization and ADG. The use of these supplementation strategies can reduce slaughter age and consequently methane emissions in comparison to non-supplemented animals [ 41 , 43 , 44 ]. As indicated by Cappai et al [ 45 ], circulating parameters of clinical importance may indicate homeostasis perturbations.…”

Section: Discussionmentioning

confidence: 99%

Citrus Pulp Replacing Corn in the Supplement Decreased Fibre Digestibility with No Impacts on Performance of Cattle Grazing Marandu Palisade Grass in the Wet-Dry Transition Period

Oliveira

Romanzini

Costa

et al. 2022

Animals

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The wet-dry transition period brings unique challenges to cattle producers in the tropics as the forage quality starts to decrease and animal performance is negatively affected unless supplementation strategies are applied. Two experiments were conducted concomitantly to evaluate the performance and metabolic parameters of cattle supplemented with two different energy sources under a C4 tropical grass continuous grazing system in the wet-dry transition period. In experiment (exp) 1, the liveweight (LW) gain of 42 growing Bos indicus Nellore bulls allocated to 12 paddocks of Uruchloa brizantha cv. Marandu, in a completely randomized block design, was evaluated to compare corn and citrus pulp-based supplements offered at 0.5% LW. Metabolism was evaluated in exp 2 with eight rumen-cannulated Nellore steers in an incomplete replicated Latin square design (RLSD) 4 × 2 (steers × treatment) fed the same two treatments as in exp 1. No differences in animal performance were observed between corn or citrus pulp-based supplements. Rumen pH, ammonia nitrogen, and blood urea nitrogen were lower in the rumen of animals supplemented with citrus pulp. Despite this, there were no differences in total dry matter intake amongst the two energy sources. The neutral detergent fibre digestibility of the diet containing corn decreased, but it neither affected performance nor liveweight gain per area. The findings suggest that corn can be replaced by citrus pulp with neither detrimental effects on animal performance nor indirect effects on pastures productivity.

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“…The Arndt et al (2021) (Niu et al, 2018;van Lingen et al, 2019) and evaluation of mitigation practices for Latin American and Caribbean (Congio et al, 2021(Congio et al, , 2022 and Southeast Asia (Tee et al, 2022) regions.…”

Section: A Review Of the Arndt Et Al (2021) Meta-analysismentioning

confidence: 99%

Symposium review: Effective nutritional strategies to mitigate enteric methane in dairy cattle

Hristov

Melgar

Wasson

et al. 2022

Journal of Dairy Science

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Intensive research in the past decade has resulted in a better understanding of factors driving enteric methane (CH 4 ) emissions in ruminants. Meta-analyses of large databases, developed through the GLOBAL NET-WORK project, have identified successful strategies for mitigation of CH 4 emissions. Methane inhibitors, alternative electron sinks, vegetable oils and oilseeds, and tanniferous forages are among the recommended strategies for mitigating CH 4 emissions from dairy and beef cattle and small ruminants. These strategies were also effective in decreasing CH 4 emissions yield and intensity. However, a higher inclusion rate of oils may negatively affect feed intake, rumen function, and animal performance, specifically milk components in dairy cows. In the case of nitrates (electron sinks), concerns with animal health may be impeding their adoption in practice, and potential emission trade-offs have to be considered. Tannins and tanniferous forages may have a negative effect on nutrient digestibility, and more research is needed to confirm their effects on overall animal performance in long-term experiments with high-producing animals. A meta-analysis of studies with dairy cows fed the CH 4 inhibitor 3-nitrooxypropanol (3-NOP) at the Pennsylvania State University showed (1) a consistent 28 to 32% decrease in daily CH 4 emissions or emissions yield and intensity; (2) no effect on dry matter intake, milk production, body weight, or body weight change, and a slight increase in milk fat concentration and yield (0.19 percentage units and 90 g/d, respectively); 3-NOP also appears to increase milk urea nitrogen concentration; (3) an exponential decrease in the mitigation effect of the inhibitor with increasing its dose (from 40 to 200 mg/kg of feed dry matter, corresponding to 3-NOP intake of 1 to 4.8 g/ cow per day); and (4) a potential decrease in the efficacy of 3-NOP over time, which needs to be further investigated in long-term, full-lactation or multiple-lactation studies. The red macroalga Asparagopsis taxiformis has a strong CH 4 mitigation effect, but studies are needed to determine its feasibility, long-term efficacy, and effects on animal production and health. We concluded that widespread adoption of mitigation strategies with proven effectiveness by the livestock industries will depend on cost, government policies and incentives, and willingness of consumers to pay a higher price for animal products with decreased carbon footprint.

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Enteric methane mitigation strategies for ruminant livestock systems in the Latin America and Caribbean region: A meta-analysis

Cited by 64 publications

References 84 publications

Full adoption of the most effective strategies to mitigate methane emissions by ruminants can help meet the 1.5 °C target by 2030 but not 2050

Full adoption of the most effective strategies to mitigate methane emissions by ruminants can help meet the 1.5 °C target by 2030 but not 2050

Citrus Pulp Replacing Corn in the Supplement Decreased Fibre Digestibility with No Impacts on Performance of Cattle Grazing Marandu Palisade Grass in the Wet-Dry Transition Period

Symposium review: Effective nutritional strategies to mitigate enteric methane in dairy cattle

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