Changes in carcass traits during growth in lambs of two contrasting breeds, measured using computer tomography

Livestock Science

Volumn 107, Issue 1, 2007, Pages 37-52

  Lambe, N R ^a   Navajas, E A ^a   McLean, K A ^a   Simm, G ^a   Bunger L ^a  

^a SCOTTISH AGRICULTURAL COLLEGE   (United Kingdom)

Author keywords

Computer tomography; Growth; Sheep

Indexed keywords

OVIS ARIES;

EID: 33846677012     PISSN: 18711413     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.livsci.2006.09.001     Document Type: Article

References (47)

1. Campbell A.W., Bain W.E., McRae A.F., Broad T.E., Johnstone P.D., Dodds K.G., Veenvliet B.A., Greer G.J., Glass B.C., Beattie A.E., Jopson N.B., and Mcewan J.C. Bone density in sheep: genetic variation and quantitative trait loci localisation. Bone 33 (2003) 540-548
2. Conington J., Bishop S.C., Grundy B., Waterhouse A., and Simm G. Multi-trait selection indexes for sustainable UK hill sheep production. Anim. Sci. 73 (2001) 413-423
3. Croston D., Kempster A.J., Guy D.R., and Jones D.W. Carcass composition of crossbred lambs by ten sire breeds compared at the same subcutaneous fat proportion. Anim. Prod. 44 (1987) 99-106
4. De Boer H., Dumont B.L., Pomeroy R.W., and Weniger J.H. Manual on EAAP reference methods for the assessment of carcass characteristics in cattle. Livest. Prod. Sci. 1 (1974) 151-164
5. Defra, 2005. Economic evaluation of the sheep meat regime as applied in the UK. http://statistics.defra.gov.uk/esg/evaluation/shpmtreg/.
6. Freetly H.C., Nienaber J.A., Leymaster K.A., and Jenkins T.G. Relationships among heat production, body weight, and age in Suffolk and Texel ewes. J. Anim. Sci. 73 (1995) 1030-1037
7. Friggens N.C., Shanks M., Kyriazakis I., Oldham J.D., and McClelland T.H. The growth and development of nine European sheep breeds. 1. British breeds: Scottish Blackface, Welsh Mountain and Shetland. Anim. Sci. 65 (1997) 409-426
8. Frutos P., Mantecon A.R., and Giraldez F.J. Relationship of body condition score and live weight with body composition in mature Churra ewes. Anim. Sci. 64 (1997) 447-452
9. GenStat 8 Committee. GenStat (2005), Lawes Agricultural Trust, Rothamstead Experimental Station, Harperdenen, UK
10. Glasbey C.A., and Young M.J. Maximum a posteriori estimation of image boundaries by dynamic programming. Appl. Stat. 51 (2002) 209-221
11. Hammond J. Growth and Development of Mutton Qualities in Sheep (1932), Oliver and Boyd, Edinburgh
12. Hammond J. Farm Animals: Their Breeding, Growth and Inheritance (1940), Butler and Tanner Ltd., London
13. Hopkins D.L. The relationship between muscularity, muscle:bone ratio and cut dimensions in male and female lamb carcasses and the measurement of muscularity using image analysis. Meat Sci. 44 (1996) 307-317
14. Jackson T.H. Relative weight changes in the tissues of the gigot joint as SBF castrated male lambs develop from weaning to maturity and an analysis of the observed variations. Anim. Prod. 11 (1967) 409-417
15. Jones H.E., Lewis R.M., Young M.J., and Simm G. Incorporating CT measures of composition and muscularity into selection programs for Suffolk sheep. Proceedings of the 7th World Congress of Genetics Applied to Livestock Production vol. 29 (2002) 461-464
16. Jones H.E., Lewis R.M., Young M.J., and Wolf B.T. The use of X-ray computer tomography for measuring the muscularity of live sheep. Anim. Sci. 75 (2002) 387-399
17. Jones H.E., Lewis R.M., Young M.J., Wolf B.T., and Warkup C.C. Changes in muscularity with growth, and it's relationship with other carcass traits in three terminal sire breeds of sheep. Anim. Sci. 74 (2002) 265-275
18. Kvame T., Brenoe U.T., and Vangen O. Body tissue development in lambs of two genetic lines analysed by X-ray computer tomography. Proceedings of the European Association for Animal production Bled, Slovenia (2004) p. abstract no. 257
19. Lewis R.M., Macfarlane J.M., Simm G., and Emmans G.C. Effects of food quality on growth and carcass composition in lambs of two breeds and their cross. Anim. Sci. 78 (2004) 355-367
20. Leymaster K.A., and Jenkins T.G. Comparison of Texel- and Suffolk-sired crossbred lambs for survival, growth, and compositional traits. J. Anim. Sci. 71 (1993) 859-869
21. Macfarlane J.M., Lewis R.M., Emmans G.C., Young M.J., and Simm G. Two methods of using X-ray computed tomography to predict carcass composition in sheep. Proceedings of the British Society of Animal Science, York, April 2005 (2005) 42
22. Macfarlane J.M., Young M.J., Lewis R.M., Emmans G.C., and Simm G. Using X-Ray Computed Tomography to predict intramuscular fat content in terminal sire sheep. Proceedings of the 56th Annual Meeting of the European Association for Animal Production Uppsala, Sweden (2005) p. S4.3 abstract no. 408
23. Mann A.D., Young M.J., Glasbey C.A., and McLean K.A. STAR: Sheep Tomogram Analysis Routines (V.3.4). BioSS Software Documentation (2003)
24. McClelland T.H., Bonaiti B., and Taylor S.C.S. Breed differences in body composition of equally mature sheep. Anim. Prod. 23 (1976) 281-293
25. Meat and Livestock Commission. Sheep Year Book (1988), MLC, Milton Keynes
26. Meat and Livestock Commission. Sheep Year Book- 1998 (1999), MLC, Milton Keynes
27. Navajas E.A., Glasbey C.A., McLean K.A., Fisher A.V., Charteris A.J.L., Lambe N.R., Bünger L., and Simm G. In vivo measurements of muscle volume by automatic image analysis of spiral computed tomography scans. Anim. Sci. 82 (2006) 545-553
28. Navajas, E.A., Lambe, N.R., McLean, K.A., Glasbey, C.A., Fisher, A.V., Charteris, A.J.L., Bunger, L., Simm, G., in press. Accuracy of in vivo muscularity indices measured by Computed Tomography and association with carcass quality in lambs. Meat Sci.
29. Pollott G.E. Sheep Breeds and Breeding in Britain 1996-97. Sheep Yearbook (1998), MLC, Milton Keynes, UK
30. Purchas R.W., and Wilkin G.H. Characteristics of lamb carcasses of contrasting subjective muscularity. Meat Sci. 41 (1995) 357-368
31. Quality Meat Scotland. Planned Carcass Production for the Scottish Sheep Industry. Technical Note Pamphlet (2004)
32. Roberts N., Cruz-Orive L.M., Reid N.M.K., Brodie D.A., Bourne M., and Edwards R.H.T. Unbiased estimation of human body composition by the Cavalieri method using magnetic resonance imaging. J. Microsc. 171 (1993) 239-253
33. Simm G. Current and possible future application of in vivo assessment in sheep breeding programmes. In: Kallweit E., Henning M., and Groeneveld E. (Eds). Application of NMR Techniques on the Body Composition of Live Animals (1989), Elsevier Applied Science, London 149-159
34. Thompson J.M., and Ball A.J. Genetics of meat quality. In: Piper L., and Ruvinsky A. (Eds). The Genetics of Sheep (1997), CAB International, Oxon 523-538
35. Thompson J.M., Atkins K.D., and Gilmour A.R. Carcass characteristics of heavyweight crossbred lambs. II. Carcass composition and partitioning of fat. Aust. J. Agric. Resour. 30 (1979) 1207-1214
36. Van der Laan, R., Van der Laan, M., 2005. QUALITY LAMB- PUREBRED DUTCH TEXEL-TEXEL CROSS-Duch Texel Facts. http://www.dutchtexel.on.ca/dtfacts.htm.
37. Vangen O., and Jopson N.B. Research application of non-invasive techniques for body composition. Proceedings of the 47th Annual Meeting of the European Association for Animal Production Lillehammer, Norway (1996)
38. Waldron D.F., Clarke J.N., Rae A.L., and Woods E.G. Expected responses in carcass composition to selection for muscularity in sheep. Proc. N.Z. Soc. Anim. Prod. 52 (1992) 29-31
39. Wolf B.T. An analysis of the variation in the lean tissue distribution of sheep. Anim. Prod. 34 (1982) 257-264
40. Wolf B.T., Smith C., and Sales D.I. Growth and carcass composition in the crossbred progeny of six terminal sire breeds of sheep. Anim. Prod. 31 (1980) 307-313
41. Wolf B.T., Smith C., King J.W.B., and Nicholson D. Genetic parameters of growth and carcass composition in crossbred lambs. Anim. Prod. 32 (1981) 1-7
42. Wolf B.T., Jones D.A., and Owen M.G. Carcass composition, conformation and muscularity in Texel lambs of different breeding history, sex and leg shape score. Anim. Sci. 72 (2001) 465-475
43. Wood J.D. Factors controlling fat deposition in meat animals. Proc. N.Z. Soc. Anim. Prod. 42 (1982) 113-116
44. Wood J.D., and MacFie H.J.H. The significance of breed in the prediction of lamb carcass composition from fat thickness measurements. Anim. Prod. 31 (1980) 315-319
45. Wood J.D., MacFie H.J.H., Pomeroy R.W., and Twinn D.J. Carcass composition in four sheep breeds: the importance of type of breed and stage of maturity. Anim. Prod. 30 (1980) 135-152
46. Wynn P.C., and Thwaites C.J. A comparison of carcass chemical fat content and muscle distribution in Merino and crossbred rams and wethers from birth to 50 kg live weight. Aust. J. Agric. Resour. 32 (1981) 957-963
47. Young M.J., Garden K.L., and Knopp T.C. Computer aided tomography- comprehensive body compositional data from live animals. Proc. N.Z. Soc. Anim. Prod. 47 (1987) 69-71