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Can the fatty acid composition of grass-fed sheep be maintained in a creep feed system?

  • D. Marriott (a1), I. Richardson (a1), K. Gibson (a1), E. Williams (a2) and N. Scollan (a3)...

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It is the practise for some farmers to supplement new season lambs with concentrates, often as a creep feed, in order to get them to market early before the price declines. This concentrate is usually based on cereals and would be high in n-6 fatty acids, diluting the beneficial effect of grass grazing which promotes the n-3 polyunsaturated fatty acid (PUFA) content in the meat (Fisher et al., 2000). The purpose of this trial was to assess the addition of linseed to the concentrate, fed in a creep-feed system, which would maintain or enhance the n-3 fatty acid composition of the meat of animals fed concentrates at grass during the finishing period (Cooper et al., 2004).

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Fisher, A.V., Enser, M., Richardson, R.I., Wood, J.D., Nute, G.R., Kurt, E., Sinclair, L.A. and Wilkinson, R.G. 2000, Meat Science, 55, 141–147.
Cooper, S.L., Sinclair, L. A., Wilkinson, R. G., Hallett, K. G., Enser, M. and Wood, J. D, 2004, Journal of Animal Science, 82, 1461–1470.

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