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Title: Genetic and environmental variation in methane emissions of sheep at pasture
Contributor(s): Robinson, Dorothy L  (author); Goopy, John P  (author); Vercoe, P E (author); Hegarty, Roger  (author); Oddy, Hutton  (author)orcid ; Thompson, A N (author); Toovey, A F (author); Macleay, CA (author); Briegal, J R (author); Woodgate, R T (author); Donaldson, A J (author)
Publication Date: 2014
DOI: 10.2527/jas.2014-8042
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Abstract: A total of 2,600 methane (CH4) and 1,847 CO2 measurements of sheep housed for 1 h in portable accumulation chambers (PAC) were recorded at 5 sites from the Australian Sheep CRC Information Nucleus, which was set up to test leading young industry sires for an extensive range of current and novel production traits. The final validated dataset had 2,455 methane records from 2,279 animals, which were the progeny of 187 sires and 1,653 dams with 7,690 animals in the pedigree file. The protocol involved rounding up animals from pasture into a holding paddock before the first measurement on each day and then measuring in groups of up to 16 sheep over the course of the day. Methane emissions declined linearly (with different slopes for each site) with time since the sheep were drafted into the holding area.
Publication Type: Journal Article
Source of Publication: Journal of Animal Science, 92(10), p. 4349-4363
Publisher: American Society of Animal Science
Place of Publication: United States of America
ISSN: 1525-3163
Fields of Research (FoR) 2008: 070108 Sustainable Agricultural Development
070201 Animal Breeding
Fields of Research (FoR) 2020: 300210 Sustainable agricultural development
300305 Animal reproduction and breeding
Socio-Economic Objective (SEO) 2008: 839802 Management of Greenhouse Gas Emissions from Animal Production
Socio-Economic Objective (SEO) 2020: 190302 Management of greenhouse gas emissions from animal production
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article

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