Cited by 81Ruminant Nutrition and Digestive PhysiologyAgriculture Sustainability and Environmental ImpactAnimal Nutrition and Physiology

Enteric methane production and greenhouse gases balance of diets differing in concentrate in the fattening phase of a beef production system1

Doreau, M., van der Werf, H. M. G., Micol, D., Dubroeucq, H., Agabriel, J., Rochette, Y., Martin, C.·2011·Journal of Animal Science

Abstract

The purposes of this study were 1) to assess the effects of 3 high-concentrate diets on enteric CH(4) production, total tract digestibility, and rumen fermentation of beef cattle, and 2) to evaluate, by life cycle assessment, the potential effects of these feeding systems on the environment. Six bulls (age of 12.4 mo and BW of 417 kg at midexperiment) of the Blond d'Aquitaine breed were assigned to 3 dietary treatments in a replicated 3 × 3 Latin square design. Diets consisted of 1) 49% natural grassland hay, 41% ground corn grain, and 10% soybean meal (hay); 2) 63% corn silage, 21% ground corn grain, and 16% soybean meal (CS); and 3) 70% ground corn grain, 16% soybean meal, and 14% wheat straw (CG). Daily CH(4) emission (g/d), measured using the sulfur hexafluoride tracer technique, was similar for the hay and CS diets and was 56% greater than for the CG diet (P < 0.001). This difference between diets was maintained when CH(4) output was expressed by unit of feed intake (P < 0.001) or digested feed (P < 0.001). Gross energy intake loss as CH(4) averaged 6.9% for the hay and CS diets and 3.2% for the CG diet (P < 0.001). Organic matter intake and GE intake did not differ between diets. Organic matter digestibility was less for the hay diet than for the CS and CG diets (P=0.008). Digestibility of NDF was greatest for the hay diet, intermediate for the CS diet, and least for the CG diet (P=0.02), with ADF digestibility being similar between the hay and CS diets and greater than for the CG diet (P < 0.001). The rumen pH at 5 h postfeeding was less for animals fed the CG diet compared with those fed the other 2 diets (on average, 5.1 vs. 5.9, respectively; P < 0.001). Total CH(4) emission (enteric + manure) was least for the CG diet, whereas N(2)O and CO(2) emissions were greatest for the CG diet. Total greenhouse gas emissions were least for the CG diet when C sequestration by grasslands was not taken into account.

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Crossref · 10.2527/jas.2010-3140

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Authors
Doreau, M., van der Werf, H. M. G., Micol, D., Dubroeucq, H., Agabriel, J., Rochette, Y., & Martin, C.
Affiliations
Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (FR)
Corresponding author
Doreau, M.
Venue
Journal of Animal Science
Published
2011-08-01
Volume
89
Issue
8
Pages
2518-2528
ISSN
  • 0021-8812 (ISSN-L)
  • 1525-3163
OpenAlex
W1992106136
Cited by
81
References
41
Citations by year
2026: 1 · 2025: 3 · 2024: 3 · 2023: 4 · 2022: 2 · 2020: 3 · 2019: 4 · 2018: 8 · 2017: 7 · 2016: 7 · 2015: 12 · 2014: 9 · 2013: 6 · 2012: 6
FWCI
16.65
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Animal Science (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Physical Sciences › Environmental Science › Ecology › Agriculture Sustainability and Environmental Impact
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
Keywords
enteric methane, beef cattle, concentrate diet, maize grain, corn silage, hay, total tract digestibility, rumen fermentation, rumen pH, greenhouse gas emissions, life cycle assessment, NOx emissions, CO2 emissions, manure methane, fattening period, NDF digestibility, ADF digestibility
MeSH terms
Air Pollutants, Animals, Animal Feed, Cattle, Diet, Digestion, Eating, Male, Methane, Agrochemicals, Greenhouse Effect

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