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Effects of level of concentrate on the eating behaviour and predicted hourly release of nutrients in the rumen of sheep fed grass silage

Published online by Cambridge University Press:  20 November 2017

L.A. Sinclair  and
G.C. McQuiston
L.A. Sinclair
Affiliation:
Harper Adams Agricultural College, Edgmond, Newport, Shropshire TF10 8NB
G.C. McQuiston
Affiliation:
Harper Adams Agricultural College, Edgmond, Newport, Shropshire TF10 8NB
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Extract

The pattern in which ruminants consume their daily allocation of forage may affect their total daily intake and the pattern of supply of energy and protein to the micro-organisms in the rumen. Synchronizing energy and nitrogen supply to the rumen has been demonstrated to improve the efficiency of microbial protein synthesis (Sinclair et al. 1993, 1995). However, it remains unclear whether animals, when offered a feed with a predicted asynchronous release of nutrients, will alter their pattern of intake to achieve a synchronous supply. In addition, the provision of a concentrate may alter daily intake, hourly intake and the pattern of release of nutrients in the rumen. The objectives of the current experiment were to examine the effects of level of supplement on the pattern of intake and the predicted release of nutrients in the rumen in sheep fed grass silage.

Type
Sheep Nutrition
Information
Proceedings of the British Society of Animal Science , Volume 1995 , March 1995 , pp. 80
Copyright
Copyright © The British Society of Animal Science 1995

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References

Ørskov, E.R. and McDonald, I. 1979. J. Agric. Sci. Cambs. 92: 499–503.10.1017/S0021859600063048CrossRefGoogle Scholar
Sinclair, L.A., Garnsworthy, P.C., Newbold, J.R. and Buttery, P.J. 1993. J. Agric. Sci. Cambs. 120: 251 10.1017/S002185960007430XCrossRefGoogle Scholar
Sinclair, L.A., Garnsworthy, P.C., Newbold, J.R. and Buttery, P.J. 1995. J. Agric. Sci. Cambs. (In press)Google Scholar