The persistence over time of divergent methane production in lot fed cattle

Author(s)
Goopy, John Patrick
Hegarty, Roger
Dobos, Robin Christopher
Publication Date
2006
Abstract
Steers (12) previously screened using the SF₆ measurement technique and found to have either high or low methane yield (MY: gCH₄/MJ DEI) were re-tested on the same diet. Several steers changed their MY, but the group characteristic of High (1.3 g/MJ) or Low (0.8 g/MJ) MY persisted between the measurement periods as did differences in propionate concentration and protozoal density. This suggests that one or more innate animal attributes must affect MY. The need to consider intake variation of cattle in extrapolating short term measures of methane measurements to annual emission estimates was also highlighted.
Citation
Greenhouse Gases and Animal Agriculture: An Update. Proceedings of the 2nd International Conference on Greenhouse Gases and Animal Agriculture, p. 111-114
ISBN
9780444522481
0444522484
Link
https://hdl.handle.net/1959.11/16044
Language
en
Publisher
Elsevier BV
Series
International Congress Series
Title
The persistence over time of divergent methane production in lot fed cattle
Type of document
Conference Publication
Entity Type
Publication

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