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Effect of fish meal on digestibility in the rumen

Published online by Cambridge University Press:  05 November 2021

M.D. Carro ,
E.L. Miller  and
O.C. Fabb
M.D. Carro
Affiliation:
Dept. Producción Animal I, Universidad de León, 24071 León, Spain
E.L. Miller
Affiliation:
Dept. Clinical Veterinary Medicine, University of Cambridge, Nutrition Laboratory, 307 Huntingdon Road, Cambridge CB3 OJQ, UK
O.C. Fabb
Affiliation:
Dept. Clinical Veterinary Medicine, University of Cambridge, Nutrition Laboratory, 307 Huntingdon Road, Cambridge CB3 OJQ, UK
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Extract

Some studies have shown that fish meal (FM) supplementation could result in an increased digestion in the rumen, with different levels of response with different FM (McAllan, 1991). The aim of the experiment was to study the effects of supplementation with two FM, having the same nitrogen content (113 g N/kg DM) but different N rumen degradability, on fermentation and duodenal flow of nutrients.

The study was carried out using six mature sheep fitted with rumen cannulae and single duodenal cannulae. Animals were fed 1 kg/d of a 60:40 hay:concentrate diet having a N content of 22 g/kg DM, either alone (Control; C) or supplemented with 40 g FM/d (FMl and FM2). The experiment was carried out over four periods of 14 days and in each period two sheep received each of the diets.

Type
Techniques
Information
Proceedings of the British Society of Animal Science , Volume 1996 , March 1996 , pp. 210
Copyright
Copyright © The British Society of Animal Science 1996

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References

Statistical Analysis System Institute. 1994. User's Guide: Statistics. SAS Inst. (Editor), Cary, NC.Google Scholar
Mc Allan, , 1991. Sources of nitrogen supplements to maximise cereal crop residue digestion in the rumen. In Production and Utilization of Lignocellulosics, (ed. Gallettti, G. C.), pp. 375–385. Elsevier, London.Google Scholar