The effects of selection indices for sustainable hill sheep production on carcass composition and muscularity of lambs, measured using X-ray computed tomography

Animal

Volumn 2, Issue 1, 2008, Pages 27-35

  Lambe, N R ^a   Bunger L ^a   Bishop, S C ^b   Simm, G ^a   Conington, J ^a  

^a SCOTTISH AGRICULTURAL COLLEGE   (United Kingdom)

^b UNIVERSITY OF EDINBURGH   (United Kingdom)

Author keywords

Body composition; Computed tomography; Sheep

Indexed keywords

ANIMALIA; OVIS ARIES;

EID: 42649093476     PISSN: 17517311     EISSN: 1751732X     Source Type: Journal    
DOI: 10.1017/S1751731107000924     Document Type: Article

References (33)

1. Anderson J (ed) 2003. Planned Carcase Production. Sheep Management Matters - a series on sheep management topics from the Meat and Livestock Commission. Meat and Livestock Commission, Milton Keynes, UK, no. 8, 1-16.
2. Conington J, Bishop SC, Grundy B, Waterhouse A and Simm G 2001. Multi-trait selection indexes for sustainable UK hill sheep production. Animal Science 73, 413-423.
3. Conington J, Bishop SC, Waterhouse A and Simm G 2004. A bio-economic approach to derive economic values for pasture-based sheep genetic improvement programmes: application to hill sheep farms in the UK. Journal of Animal Science 82, 1290-1304.
4. Conington J, Bishop SC, Lambe NR, Bünger L and Simm G 2006a. Testing selection indices for sustainable hill sheep production - lamb growth and carcass traits. Animal Science 82, 445-453.
5. Conington J, Lambe NR, Bünger L, McLean KA, Bishop SC and Simm G, 2006b. Evaluation of responses to multi-trait selection indexes and genetic parameters for computer tomography-derived carcass traits in UK hill sheep. Proceedings of the Eighth World Congress on Genetics Applied to Livestock Production, Brazil, comm. no. 04-19.
6. De Boer H, Dumont BL, Pomeroy RW and Weniger JH 1974. Manual on EAAP reference methods for the assessment of carcass characteristics in cattle. Livestock Production Science 1, 151-164.
7. GenStat 8 Committee 2005. GenStat. Lawes Agricultural Trust. Rothamstead Experimental Station, Harpenden, UK.
8. Hopkins DL, Safari E, Thompson JM and Smith CR 2004. Video image analysis in the Australian meat industry - precision and accuracy of predicting lean meat yield in lamb carcasses. Meat Science 67, 269-274.
9. Jones HE, Simm G, Dingwall WS and Lewis RM 1999. Genetic relationships between visual and objective measures of carcass composition in crossbred lambs. Animal Science 69, 553-561.
10. Jones HE, Lewis RM, Young MJ and Simm G 2002a. Incorporating CT measures of composition and muscularity into selection programs for Suffolk sheep. Proceedings of the Seventh World Congress of Genetics Applied to Livestock Production 29, 461-464.
11. Jones HE, Lewis RM, Young MJ and Wolf BT 2002b. The use of X-ray computer tomography for measuring the muscularity of live sheep. Animal Science 75, 387-399.
12. Jones HE, Lewis RM, Young MJ and Simm G 2004. Genetic parameters for carcass composition and muscularity in sheep measured by X-ray computer tomography, ultrasound and dissection. Livestock Production Science 90, 167-179.
13. Jopson NB, McEwan JC, Dodds KG and Young MJ 1995. Economic benefits of including computed tomography measurements in sheep breeding programmes. Proceedings of the Association for the Advancement of Animal Breeding and Genetics 11, 194-197.
14. Jopson NB, McEwan JC, Fennessy PF, Dodds KG, Nicoll GB and Wade CM 1997. Economic benefit of including computed tomography measurements in a large terminal sire breeding programme. Proceedings of the Association for the Advancement of Animal Breeding and Genetics 12, 72-76.
15. Jopson NB, Amer P and McEwan JC 2004. Comparison of two-stage selection breeding programmes for terminal sire sheep. Proceedings of the New Zealand Society of Animal Production 64, 212-216.
16. Lambe NR, Conington J, McLean KA, Navajas E, Fisher AV and Bünger L 2006. In-vivo prediction of internal fat weight in Scottish Blackface lambs, using computer tomography (CT). Zeitschrift Für Tierzüchtung Und Züchtungsbiologie - Journal of Animal Breeding and Genetics 123, 105-113.
17. Lambe NR, Navajas EA, McLean KA, Simm G and Bünger L 2007. Changes in carcass traits during growth in lambs of two contrasting breeds, measured using computer tomography. Livestock Science 107, 37-52.
18. Laville E, Bouix J, Sayd T, Bibe B, Elsen JM, Larzul C, Eychenne F, Marcq F and Georges M 2004. Effects of a quantitative trait locus for muscle hypertrophy from Belgian Texel sheep on carcass conformation and muscularity. Journal of Animal Science 82, 3128-3137.
19. Lewis RM, Macfarlane JM, Simm G and Emmans GC 2004. Effects of food quality on growth and carcass composition in lambs of two breeds and their cross. Animal Science 78, 355-367.
20. Macfarlane JM. 2006. Growth, development and carcass quality in meat sheep and the use of CT scanning as a tool for selection. PhD thesis, University of Edinburgh.
21. Navajas EA, Glasbey CA, McLean KA, Fisher AV, Charteris AJL, Lambe NR, Bünger L and Simm G 2006. In vivo measurements of muscle volume by automatic image analysis of spiral computed tomography scans. Animal Science 82, 545-553.
22. Navajas EA, Lambe NR, McLean KA, Glasbey CA, Fisher AV, Charteris AJL, Bünger L and Simm G 2007. Accuracy of in vivo muscularity indices measured by Computed Tomography and association with carcass quality in lambs. Meat Science 75, 533-542.
23. Purchas RW and Wilkin GH 1995. Characteristics of lamb carcasses of contrasting subjective muscularity. Meat Science 41, 357-368.
24. Purchas RW, Davies AS and Abdullah AY 1991. An objective measure of muscularity: changes with animal growth and differences between genetic lines of Southdown sheep. Meat Science 30, 81-94.
25. Rius Vilarrasa E, Bünger L, Matthews K, Maltin CA, Hinz A and Roehe R. 2007. Evaluation of Video Image Analysis (VIA) technology to predict meat yield of sheep carcasses online under abattoir conditions. Proceedings of the Annual BSAS Conference, Southport, UK, 2007, p. 108.
26. Stanford K, Richmond RJ, Jones SDM, Robertson WM, Price MA and Gordon AJ 1998. Video image analysis for on-line classification of lamb carcasses. Animal Science 67, 311-316.
27. Waldron DF, Clarke JN, Rae AL and Woods EG 1992. Expected responses in carcass composition to selection for muscularity in sheep. Proceedings of the New Zealand Society of Animal Production 52, 29-31.
28. Wolf BT, Smith C, King JWB and Nicholson D 1981. Genetic parameters of growth and carcass composition in crossbred lambs. Animal Production 32, 1-7.
29. Wolf BT, Jones DA and Owen MG 2006. In vivo prediction of carcass composition and muscularity in purebred Texel lambs. Meat Science 74, 416-423.
30. Wood JD, MacFie HJH, Pomeroy RW and Twinn DJ 1980. Carcass composition in four sheep breeds: The importance of type of breed and stage of maturity. Animal Production 30, 135-152.
31. Wood JD, MacFie HJH and Brown AJ 1983. Effects of body weight, breed and sex on killing-out percentage and non-carcass component weights in lambs. Meat Science 9, 89-99.
32. Young MJ, Nsoso SJ, Logan CM and Beatson PR 1996. Prediction of carcass tissue weight in vivo using live weight, ultrasound or X-ray computed tomography measurements. Proceedings of the New Zealand Society of Animal Production 56, 205-211.
33. Young MJ, Simm G, Glasbey CA and Merrell B. 2002. Using CT scanning to improve carcass form in sheep. Proceedings of the Seventh World Congress of Genetics Applied to Livestock Production, Montpellier, France, comm. no. 02-06, p.18.