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Urea and phosphate supplemented molassed sugar-beet pulp nuts used as a major component of milk production concentrates for dairy cows

Published online by Cambridge University Press:  01 June 2009

J. J. Parkins ,
G. Fishwick ,
N. S. Ritchie ,
R. G. Hemingway  and
R. Henderson
J. J. Parkins
Affiliation:
Animal Husbandry Department, University of Glasgow, Veterinary School, Bearsden, Glasgow
G. Fishwick
Affiliation:
Animal Husbandry Department, University of Glasgow, Veterinary School, Bearsden, Glasgow
N. S. Ritchie
Affiliation:
Animal Husbandry Department, University of Glasgow, Veterinary School, Bearsden, Glasgow
R. G. Hemingway
Affiliation:
Animal Husbandry Department, University of Glasgow, Veterinary School, Bearsden, Glasgow
R. Henderson
Affiliation:
Agricultural Research Council Unit of Statistics, University of Edinburgh
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Summary

A cubed molassed sugar-beet pulp product containing about 3% urea and with added minerals and vitamins was evaluated in 2 continuous feeding trials over 8–10 weeks with cows in early lactation and which had previously been accustomed to receiving dietary urea. In one experiment 50% substitution of a cereal/vegetable protein mixture resulted in a depression in mean daily milk yield of about 0·8kg. In the second experiment, the concentrate contained about 30% dried distillers grains and in this case replacement of one-half with the supplemented molassed sugar-beet pulp product did not decrease milk yields. There were no significant effects on milk composition.

Type
Research Article
Information
Journal of Dairy Research , Volume 42 , Issue 3 , October 1975 , pp. 363 - 369
Copyright
Copyright © Proprietors of Journal of Dairy Research 1975

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References

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