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Effects of protein source and formaldehyde treatment on the metabolism and performance of pregnant and lactating ewes fed straw

Published online by Cambridge University Press:  20 November 2017

D. Handford ,
S.E. Pattinson ,
L.A. Sinclair  and
R.G. Wilkinson
D. Handford
Affiliation:
ARSC, School of Agriculture, Harper Adams University College, Edgmond, Newport, Shropshire TF10 8NB, UK
S.E. Pattinson
Affiliation:
ARSC, School of Agriculture, Harper Adams University College, Edgmond, Newport, Shropshire TF10 8NB, UK
L.A. Sinclair
Affiliation:
ARSC, School of Agriculture, Harper Adams University College, Edgmond, Newport, Shropshire TF10 8NB, UK
R.G. Wilkinson
Affiliation:
ARSC, School of Agriculture, Harper Adams University College, Edgmond, Newport, Shropshire TF10 8NB, UK
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Extract

Fishmeal is a suitable protein source for pregnant and lactating ewes, providing higher levels of undegradable protein (UDP) than vegetable protein sources, with an improved biological value (Robinson, 1987). The lower amounts of UDP supplied by vegetable protein sources may however be improved by formaldehyde treatment. The objective of the current experiment was to compare the effects of feeding concentrates containing fishmeal with concentrates containing vegetable protein sources with or without formaldehyde treatment.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2000 , 2000 , pp. 79
Copyright
Copyright © The British Society of Animal Science 2000

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References

Ørskov, E.R. and McDonald, I. (1979). The estimation of protein degradation in the rumen from incubation measurements weighted according to rate of passage. Journal of Agricultural Science, Cambridge 92: 499–503.Google Scholar
Robinson, J.J. (1987). Energy and protein requirements of the ewe. In Recent Advances in Ruminant Nutrition. pp 187–204. (Eds) W., Haresign and D.J.A., Cole Butterworths; London.CrossRefGoogle Scholar