Methane emission from dairy cows and wether sheep fed subtropical grass‐dominant pastures in midsummer in New Zealand

Ulyatt, M. J.; Lassey, Keith R.; Shelton, I. D.; Walker, Carolyn F.

doi:10.1080/00288233.2002.9513513

Cited by 59 publications

(50 citation statements)

References 23 publications

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“…Bos indicus · Bos taurus steers have been shown to produce~10% less methane than Bos taurus steers of comparable weight and age (Vercoe 1970). Generally, it is considered that tropical grasses are associated with higher methane emissions per unit of DMI than are temperate grasses (Kurihara et al 1999;Ulyatt et al 2002) due to higher lignification and subsequent lower rate of passage of feed. However, direct comparisons between tropical and temperate grasses are scarce (e.g.…”

Section: Limitations Of the Datasetmentioning

confidence: 99%

A universal equation to predict methane production of forage-fed cattle in Australia

Charmley

Williams²,

Moate³

et al. 2016

Anim. Prod. Sci.

211

138

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Abstract. The methods for estimating methane emissions from cattle as used in the Australian national inventory are based on older data that have now been superseded by a large amount of more recent data. Recent data suggested that the current inventory emissions estimates can be improved. To address this issue, a total of 1034 individual animal records of daily methane production (MP) was used to reassess the relationship between MP and each of dry matter intake (DMI) and gross energy intake (GEI). Data were restricted to trials conducted in the past 10 years using open-circuit respiration chambers, with cattle fed forage-based diets (forage >70%). Results from diets considered to inhibit methanogenesis were omitted from the dataset. Records were obtained from dairy cattle fed temperate forages (220 records), beef cattle fed temperate forages (680 records) and beef cattle fed tropical forages (133 records). Relationships were very similar for all three production categories and single relationships for MP on a DMI or GEI basis were proposed for national inventory purposes. These relationships were MP (g/day) = 20.7 (AE0.28) · DMI (kg/day) (R 2 = 0.92, P < 0.001) and MP (MJ/day) = 0.063 (AE0.008) · GEI (MJ/day) (R 2 = 0.93, P < 0.001). If the revised MP (g/day) approach is used to calculate Australia's national inventory, it will reduce estimates of emissions of forage-fed cattle by 24%. Assuming a global warming potential of 25 for methane, this represents a 12.6 Mt CO 2 -e reduction in calculated annual emissions from Australian cattle.

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Section: Limitations Of the Datasetmentioning

confidence: 99%

A universal equation to predict methane production of forage-fed cattle in Australia

Charmley

Williams²,

Moate³

et al. 2016

Anim. Prod. Sci.

211

138

View full text Add to dashboard Cite

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“…The sodium concentrations of kikuyu grass and paspalum are also inadequate for grazing stock (Sherrell 1978;Smith et al 1978). Because of their generally lower quality, methane emissions are greater from sheep grazing C 4 grasses than those grazing C 3 grasses (Ulyatt et al 2002).…”

Section: Forage Grasses In New Zealandmentioning

confidence: 99%

The role of C₄grasses in New Zealand pastoral systems

Crush¹,

Rowarth

2007

New Zealand Journal of Agricultural Research

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As agricultural scientists in temperate regions search for the next revolution in pasture productivity, C 4 grasses often appear in the literature as "having potential" to push through the ceiling of production. This potential has yet to be realised in high producing pastures in New Zealand, despite investigations in the 1970s, and ongoing suggestions (a) that research would enable the full value to be exploited and (b) that the advent of genetic technologies could provide the answer. This paper reviews the New Zealand and Australian literature on C 4 grasses, identifies the difficulties with incorporating them into high producing temperate grazing systems, and makes suggestions for their use in the future.

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“…C 4 grasses can produce more methane per kg of DM ingested than grasses with C 3 photosynthesis (Ulyatt et al ., 2002;Archimède et al ., 2011). Corroborating this, Primavesi et al .…”

Section: Diet Composition and Qualitymentioning

confidence: 99%

Enteric methane mitigation strategies in ruminants: a review

Pereira

Machado²,

Campos³

et al. 2015

Rev Colomb Cienc Pecu

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SummaryLivestock farming in Latin America has been criticized because of its large greenhouse gas (GHG) production resulting from the use of degraded forage and low-efficiency production performance. Agriculture contributes a significant amount of the three main greenhouse gases: methane (CH 4 ), carbon dioxide (CO 2 ), and nitrous oxide (N 2 O). Methane has a global warming potential 25 times greater than CO 2. Enteric methane is an important greenhouse gas responsible for approximately 15% of global warming. The trend and legal obligation of mitigating greenhouse gas emissions will likely directly influence improved efficiency of livestock systems, including animal nutrition and handling. The development of mitigation strategies and the viability of their practical applications have been researched around the world. Various nutritional strategies to mitigate enteric methane have been studied and developed. All of them differ in terms of viability, cost, and acceptance by the producers. Their adoption should be based on the capacity to reduce methane emissions in association with economic viability and animal performance. Animal performance improvement will be achieved in production systems (mainly those related to efficient forage use) associated with good management of nutrition, health and reproduction. These are important strategies to consolidate Brazil as a food producer to the world, respecting the demands regarding land, water, biodiversity conservation and emission of greenhouse gases.Keywords: climate change, global warming, greenhouse gas, livestock, sustainability. 125Rev Colomb Cienc Pecu 2015; 28:124-143 Ribeiro LG et al. Methane mitigation in ruminants: a review ResumenLa industria pecuaria latinoamericana ha sido criticada por la emisión significativa de gases con efecto invernadero (GHG). Dicha crítica se fundamenta en los bajos indicadores zootécnicos observados en los sistemas de producción animal basados en pasturas degradadas o que se encuentran por debajo de su potencial de producción. La industria agropecuaria contribuye de manera significativa con la emisión de los tres principales GHG: metano (CH 4 ), dióxido de carbono (CO 2 ) y óxido nitroso (NO 2 ). El gas metano tiene un potencial de calentamiento global 25 veces mayor que el de CO 2 . El metano entérico es un importante gas de efecto invernadero, que es responsable de aproximadamente el 15% del calentamiento global. La tendencia o la obligación legal de mitigar las emisiones de GHG tendrá una influencia directa sobre la necesidad del aumento de la eficiencia zootécnica en los sistemas pecuarios relacionado con el manejo nutricional de los animales que deberá ser adoptado. El desarrollo de estrategias de mitigación y la viabilidad de su aplicación práctica representan áreas de investigación alrededor del mundo. Existen diversas estrategias nutricionales que se han estudiado y desarrollado con el fin de mitigar el metano entérico. Dichas estrategias presentan diferentes viabilidades, costos y posibilidades para que sean aceptadas por...

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Methane emission from dairy cows and wether sheep fed subtropical grass‐dominant pastures in midsummer in New Zealand

Abstract: Methane emission was measured from 10 dairy cows and 12 wether sheep grazing kikuyu

Cited by 59 publications

References 23 publications

A universal equation to predict methane production of forage-fed cattle in Australia

A universal equation to predict methane production of forage-fed cattle in Australia

The role of C₄grasses in New Zealand pastoral systems

Enteric methane mitigation strategies in ruminants: a review

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Methane emission from dairy cows and wether sheep fed subtropical grass‐dominant pastures in midsummer in New Zealand

Abstract: Methane emission was measured from 10 dairy cows and 12 wether sheep grazing kikuyu

Cited by 59 publications

References 23 publications

A universal equation to predict methane production of forage-fed cattle in Australia

A universal equation to predict methane production of forage-fed cattle in Australia

The role of C4grasses in New Zealand pastoral systems

Enteric methane mitigation strategies in ruminants: a review

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The role of C₄grasses in New Zealand pastoral systems