Article (Scientific journals)
Variation of greenhouse gas emissions and identification of their drivers during the fattening of Belgian Blue White bulls based on a LCA approach
Mathot, M.; Elias, E.; Reding, E. et al.
2016In Animal Production Science, 56 (3), p. 322-329
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Keywords :
life-cycle assessment; mitigation; system approach
Abstract :
[en] Greenhouse gas emission intensity (GHGI; kilograms carbon dioxide equivalents/kilograms liveweight gain) have to be reduced so as to limit the impact of human activities on global warming while furnishing food to human. In this respect, performances of 654 Belgian Blue double-muscled bulls (BBdm) during their fattening phase were recorded. On this basis, their greenhouse gas emissions were modelled to estimate variation in GHGI and investigate mitigation options at that level. The relevance of theses option is discussed, taking into account the whole life and production system scales. Large variations (mean (s.d.)) were observed (from 7.2 (0.4) to 10.0 (0.7) kg carbon dioxide equivalents/kg liveweight gain) for, respectively, the 1st- and 4th-quantile groups defined for GHGI. Early culling, low liveweight and age at start of the fattening phase of the bulls would lead to a reduction of GHGI. Nevertheless, more than 32% of the variation remained unexplained. However, decision leading to reduction of GHG intensity at this stage of the life may be compensated in the early stage of BBdm. Attention is drawn on the necessity to encompass the whole life of BBdm for investigating mitigation options and on the sensitivity of the results on models and methodological choices.
Disciplines :
Animal production & animal husbandry
Author, co-author :
Mathot, M.;  CRA-W, Libramont, Belgium
Elias, E.;  Dumoulin S. A., Seilles, Belgium
Reding, E.;  AWE asbl., Ciney, Belgium
Vanlierde, Amélie ;  CRA-W, Gembloux, Belgium > Doct. sc. agro. & ingé. biol.
Reuter, W.;  Dumoulin S. A., Seilles, Belgium
Planchon, V.;  CRA-W, Libramont, Belgium
Stilmant, D.;  CRA-W, Libramont, Belgium
Language :
English
Title :
Variation of greenhouse gas emissions and identification of their drivers during the fattening of Belgian Blue White bulls based on a LCA approach
Publication date :
09 February 2016
Journal title :
Animal Production Science
ISSN :
1836-0939
eISSN :
1836-5787
Publisher :
Commonwealth Scientific and Industrial Research Organization Publishing, Australia
Volume :
56
Issue :
3
Pages :
322-329
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
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