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Two methods of using X-ray Computed Tomography to predict carcass composition in sheep

  • J. M. Macfarlane (a1), R. M. Lewis (a1) (a2), G. C. Emmans (a1), J.M. Young (a1) (a3) and G. Simm (a1)...

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X-ray computed tomography (CT) can be used to accurately assess carcass composition in sheep (Sehested, 1984; Young et al., 2001) both in research and commercially, as part of a breed selection programme. Two different CT scanning methods have been used: a) the reference scan method where tissue weights are predicted from tissue areas in a small set of cross-sectional scans at ‘anatomical landmarks’, and b) the Cavalieri method where a larger number of scans are taken along the body. It is of interest to examine the accuracy of evaluations made using these two methods and the individual merits of the two methods depending on their application.

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Genstat 7 Committee. 2003. Genstat 7. Lawes Agricultural Trust, Rothamsted Experimental Station, Harpenden.
Sehested, E. 1984. In vivo measurement of body composition in meat animals (ed. Lister, D), pp6774. Elsevier, London.
Young, M. J., Simm, G. and Glasbey, C. A. 2001. Proceedings of the British Society of Animal Science, pp250254.

Two methods of using X-ray Computed Tomography to predict carcass composition in sheep

  • J. M. Macfarlane (a1), R. M. Lewis (a1) (a2), G. C. Emmans (a1), J.M. Young (a1) (a3) and G. Simm (a1)...

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