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Digestion and nitrogen retention in steers offered grass silages made with no additive, formic acid or bacterial inoculant, and supplemented with two levels of concentrates

Published online by Cambridge University Press:  05 November 2021

P. Shiels ,
P. O'Kiely ,
A.P. Moloney  and
P. Caffrey
P. Shiels
Affiliation:
Teagasc, Grange Research Centre, Dunsany, Co. Meath, Ireland University College Dublin, Belfield, Dublin 4, Ireland
P. O'Kiely
Affiliation:
Teagasc, Grange Research Centre, Dunsany, Co. Meath, Ireland
A.P. Moloney
Affiliation:
Teagasc, Grange Research Centre, Dunsany, Co. Meath, Ireland
P. Caffrey
Affiliation:
University College Dublin, Belfield, Dublin 4, Ireland
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Extract

Beneficial effects of inoculants on the nutritive value of well-preserved grass silage for beef cattle have been described (Keady and Steen, 1994). Less information is available on the efficacy of inoculants when untreated grass is preserved badly. The first objective of this study was to determine the effect of one inoculant under such conditions. Since an improvement in nutritive value of silage may be hidden when supplementary concentrates are offered, the second objective of this study was to determine the interaction between silage additive treatment and concentrate supplementation on the nutritive value of the resulting diets.

Type
Programme
Information
Proceedings of the British Society of Animal Science , Volume 1998 , 1998 , pp. 73
Copyright
Copyright © The British Society of Animal Science 1998

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References

Keady, T.W.J., and Steen, R.W.J. 1994. Effects of treating low dry matter grass with a bacterial inoculant on the intake and performance of beef cattle and studies on its mode of action. Grass and Forage Science, 49: 438–446.CrossRefGoogle Scholar
Shiels, P., O'Kiely, P., Moloney, A.P. and Caffrey, P.J. 1994. The effects of a bacterial inoculant and formic acid on the fermentation and nutritive value of difficult-to-ensile grass. Irish Journal of Agricultural and Food Research, 33: 93.Google Scholar