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Effect of incremental replacement of cereal grain with sugar beet feed on the lactational performance of high yielding cows offered maize silage based diets

Published online by Cambridge University Press:  20 November 2017

R. H. Phipps ,
A. K. Jones ,
D. E. Beever  and
M. W. Witt
R. H. Phipps
Affiliation:
Centre for Dairy Research, Department of Agriculture, University of Reading, Earley Gate, Reading RG6 6AR, UK
M. W. Witt
Affiliation:
Trident Feeds, PO Box 11, Oundle Road, Peterborough PE2 9QX, UK
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Extract

Dairy cows are increasingly being fed high levels of starch to increase energy intake and promote milk protein content. However, too high levels of degradable starch can cause rumen acidotic effects leading to poor rumen health, laminitis and ultimately reduced efficiency of milk production. Fibrous feeds have known benefits on rumen health by helping to buffer rumen pH, but little is known of the effects of replacing starch with fibre in high maize silage based rations for dairy cows. The objective of this trial was to determine the effects of incremental replacement of cereal grain with sugar beet feed in a total mixed ration on dry matter intake, milk yield, milk composition and yield of milk constituents of lactating dairy cows receiving a high starch diet based on maize silage.

Type
Lactation
Information
Proceedings of the British Society of Animal Science , Volume 2003 , 2003 , pp. 128
Copyright
Copyright © The British Society of Animal Science 2003

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