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Comparison of bovine rumen liquor and bovine faeces as sources of micro-organisms for the in vitro gas production technique for assessing silages of maize and maize plant fractions

Published online by Cambridge University Press:  05 November 2021

U.R. Altaf ,
R. Mauricio ,
F.L. Mould ,
T. Smith ,
E. Owen ,
R.H. Phipps  and
M.K. Theodorou
U.R. Altaf
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading RG6 6AT
R. Mauricio
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading RG6 6AT
F.L. Mould
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
R.H. Phipps
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading RG6 6AT
M.K. Theodorou
Affiliation:
IGER Plas Gogerddan, Aberystwyth, SY23 3EB
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Extract

A previous study (Mauricio et al., 1998) with 12 forage substrates (straw, hay and dried grasses) showed a high correlation between rumen liquor and faeces for total gas production and in vitro organic matter digestibility (OMD). However parameters estimated using faecal inoculum were generally lower man when using rumen liquor. To confirm this observation, a second study was conducted using maize silage and silages made from maize plant fractions.

Type
Programme
Information
Proceedings of the British Society of Animal Science , Volume 1998 , 1998 , pp. 60
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.CrossRefGoogle Scholar
Mauricio, R.M., Abdalla, A.L., Mould, F.L., Altaf, U.R., Smith, T., Owen, E., Givens, D.I., Dhanoa, M.S and Theodorou, M.K. 1998. Comparison of bovine rumen liquor and faeces as sources of micro-organisms for the in vitro gas production technique assessed using twelve graminaceous forages. BSAS Annual Winter Meeting.10.1017/S0308229600032815CrossRefGoogle Scholar