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Beef carcass composition assessed by X-ray computed tomography scanning of primal joints

Published online by Cambridge University Press:  23 November 2017

E. A. Navajas ,
C. A. Glasbey ,
K. A. McLean ,
A. V. Fisher ,
R. I. Richardson ,
D. W. Ross ,
J. J. Hyslop ,
G. Simm  and
R. Roehe
E. A. Navajas*
Affiliation:
Scottish Agricultural College, Edinburgh, United Kingdom
C. A. Glasbey
Affiliation:
Biomathematics and Statistics Scotland, Edinburgh, United Kingdom
K. A. McLean
Affiliation:
Scottish Agricultural College, Edinburgh, United Kingdom
A. V. Fisher
Affiliation:
University of Bristol, Langford, United Kingdom
R. I. Richardson
Affiliation:
University of Bristol, Langford, United Kingdom
D. W. Ross
Affiliation:
Scottish Agricultural College, Edinburgh, United Kingdom
J. J. Hyslop
Affiliation:
Scottish Agricultural College, Edinburgh, United Kingdom
G. Simm
Affiliation:
Scottish Agricultural College, Edinburgh, United Kingdom
R. Roehe
Affiliation:
Scottish Agricultural College, Edinburgh, United Kingdom
*
Email:elly.navajas@sac.ac.uk
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Extract

X-ray computed tomography (CT) measurements of live sheep have been used to predict carcass composition very accurately (Macfarlane et al., 2006). The utilisation of spiral CT scans (SCTS) for quantifying muscle volumes and weights, using automatic image analysis procedures has also been shown to be very accurate in sheep (Navajas et al., 2006). Although the limiting size of the CT gantry prevents CT scanning of live beef cattle, beef primal joints are small enough to be scanned. Hence, SCTS could be used to quantify beef carcass composition, and provide valuable information for breeding programmes including composition faster than by anatomical dissection. The objective of this study was to develop a CT image analysis procedure to assess fat, muscle and bone weights of beef carcasses and to evaluate its accuracy.

Type
Theatre Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2008 , 2008 , pp. 45
Copyright
Copyright © The British Society of Animal Science 2008

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References

Fullerton, G.D. 1980. Medical Physics of CT and Ultrasound pp. 125–162.Google Scholar
Macfarlane, J.M., Emmans, G.E., Lewis, R.M., Young, M.J. and Simm, G. 2006. Animal Science. 82, 289–300.CrossRefGoogle Scholar
Navajas, E.A., Glasbey, C.A., McLean, K.A., Fisher, A.V., Charteris, A.J.L., Lambe, N.R., Bünger, L. and Simm, G. 2006. Animal Science. 82, 545–553.Google Scholar