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Comparison of bovine rumen liquor and faeces as sources of micro-organisms for the in vitro gas production technique assessed using twelve graminaceous forages

Published online by Cambridge University Press:  05 November 2021

R. Mauricio ,
A.L. Abdalla ,
F.L. Mould ,
U.R. Altaf ,
T. Smith ,
E. Owen ,
D.I Givens ,
M.S. Dhanoa  and
M.K. Theodorou
R. Mauricio
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading RG6 6AT
A.L. Abdalla
Affiliation:
Animal Science Section, CENA, Caixa Postal 96, Cep 13400-970, Sao Paulo, Brazil
F.L. Mould
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading RG6 6AT
U.R. Altaf
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading RG6 6AT
T. Smith
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading RG6 6AT
E. Owen
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading RG6 6AT
D.I Givens
Affiliation:
Feed Evaluation and Nutritional Sciences, ADAS Dairy Research Centre, Stratford-on-Avon CV36 0RQ
M.S. Dhanoa
Affiliation:
IGER, Plas Gogerddan, Aberystwyth SY23 3EB
M.K. Theodorou
Affiliation:
IGER, Plas Gogerddan, Aberystwyth SY23 3EB
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Extract

The experiment was conducted using a range of forages with accurately predetermined OMD values (ADAS) to compare rumen liquor (RL) and faeces (FA) as sources of inocula in the pressure transducer technique (PTT) (Theodorou et al., 1994). Gas production results were examined in relation to OMD determined in vitro (PTT, Tilley and Terry) and in vivo.

Type
Programme
Information
Proceedings of the British Society of Animal Science , Volume 1998 , 1998 , pp. 68
Copyright
Copyright © The British Society of Animal Science 1998

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References

Theodorou, M.K., Williams, B.A., Dhanoa, M.S., McAllan, A.B. and France, J. 1994. A simple gas production method using a pressure transducer to determine the fermentation kinetics of ruminant feeds. Animal Feed Science and Technology 48:185–197.10.1016/0377-8401(94)90171-6CrossRefGoogle Scholar
France, J., Dhanoa, M.S., Theodorou, M.K., Lister, S.J., Davies, S.J. and Isaac, D. 1993. A model to interpret gas accumulation profiles with in vitro degradation of ruminant feeds. Journal of Theoretical Biology 163:99–111.10.1006/jtbi.1993.1109CrossRefGoogle Scholar