The presence of oxygen in rumen liquor and its effects on methanogenesis

Scott, R.I., Yarlett, N., Hillman, K., Williams, A.G., Lloyd, D. ORCID: https://orcid.org/0000-0002-5656-0571 and Williams, T.N. 1983. The presence of oxygen in rumen liquor and its effects on methanogenesis. Journal of Applied Bacteriology 55 (1) , pp. 143-149. 10.1111/j.1365-2672.1983.tb02658.x

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Abstract

In situ measurement of O2 in the rumen liquor of cows, sheep and goats using a membrane‐covered O2 electrode revealed the presence of up to 1630 nmol/l O2; O2 became undetectable immediately after feeding of animals. The effects of O2 on H2 production and methanogenesis in samples of rumen liquor were investigated using a mass spectrometer fitted with a membrane inlet system. Methanogenesis was totally and irreversibly inhibited after short term exposure (about 10 min) to 5 KPa (0·05 atm) O2; H2 production was unaffected. Glucose additions produced rapid transient increases in H2 levels and increased O2 uptake

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Publisher:	Blackwell
ISSN:	0021-8847
Date of Acceptance:	3 January 1983
Last Modified:	26 Oct 2022 08:40
URI:	https://orca.cardiff.ac.uk/id/eprint/128021

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