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An evaluation of a dried yeast culture on milk yield and composition in dairy cows fed grass and maize silage

Published online by Cambridge University Press:  20 November 2017

S. P. Williams ,
S. P. Marsh  and
D. Williams
S. P. Williams
Affiliation:
University of Wales Aberystwyth, Welsh Institute of Rural Studies, Aberystwyth, Ceredigion, SY23 3DF, UK
S. P. Marsh
Affiliation:
Rumenco, Stretton House, Burton on Trent, Staffordshire, DE13 0DW, UK
D. Williams
Affiliation:
University of Wales Aberystwyth, Welsh Institute of Rural Studies, Aberystwyth, Ceredigion, SY23 3DF, UK
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Extract

There is considerable interest in the effect of dietary supplementation with probiotics or yeast cultures on dairy cow performance. Yeast cultures such as Diamond V ‘XP’ are produced by growing selected yeast strains on a semi-solid medium under stressed conditions, which are then dried. They are now used by a majority of the high yielding herds in North America (McCullough, 1995) and have been shown to have a significant effect on butterfat and protein yield with grass silage fed UK dairy cows (Rowlinson et al., 1995). The objective of this work was to evaluate the effect of feeding a yeast culture to a medium-high yielding (8,100 kg) herd of dairy cows fed a diet based on grass and maize silage.

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Programme
Information
Proceedings of the British Society of Animal Science , Volume 1999 , 1999 , pp. 84
Copyright
Copyright © The British Society of Animal Science 1999

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References

McCullough, M.E. 1995. Current concepts in nutrition. Hoards Dairyman. W.D. Hoard and Sons Co., P.O. Box 801, Fort Atkinson, W.I. 53:538.Google Scholar
Rowlinson, P., Marsh, S. P., and Taylor, W. 1996. The influence of a dietary supplement of a dried yeast culture on milk yield and composition in dairy cows on grass silage. Proceedings of the British Society of Animal Science 75.CrossRefGoogle Scholar