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Upgrading barley straw for goats: the effectiveness of a sodium hydroxide and urea dip method

Published online by Cambridge University Press:  22 November 2017

J.H.M. Wrathall ,
E. Owen  and
D.J. Pike
J.H.M. Wrathall
Affiliation:
Dept. of Agriculture, University of Reading, Earley Gate, P.O. Box 235, Reading, Berks. RG2 2AT
E. Owen
Affiliation:
Dept. of Agriculture, University of Reading, Earley Gate, P.O. Box 235, Reading, Berks. RG2 2AT
D.J. Pike
Affiliation:
Dept. of Applied Statistics, University of Reading, Whiteknights, P.O. Box 217, Reading, Berks
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Extract

In recent years, interest in the use of chemically treated crop by-products, such as straw, as animal feed has been increasing. So far, most treatment methods which have been developed involve highly technical procedures requiring skilled labour, complex machinery and hence, large amounts of capital. The aim of the work reported here was to assess the feasibility of using a simple dip method to treat straw with both NaOH (to improve digestibility and hence intake) and urea (to increase the nitrogen content) and subsequently to investigate the effects of feeding this straw to young goats. Results were compared with those obtained for commercially-treated and untreated straw.

The dip treatment method involved immersing small bales (density = 69kg/m3 ) in a NaOH (llg/dm3) and urea (7g/dm3) solution for 45 minutes followed by draining for 2 hours and storage for 3-6 days prior to feeding (unchopped).

Type
General
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1988 , March 1988 , pp. 80
Copyright
Copyright © The British Society of Animal Production 1988

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