Selection for lean growth in terminal sire sheep to produce leaner crossbred progeny

Animal Science

Volumn 63, Issue 1, 1996, Pages 133-142

  Lewis, R M ^a   Simm, G ^a   Dingwall, W S ^a   Murphy, S V ^a  

^a SCOTTISH AGRICULTURAL COLLEGE   (United Kingdom)

Author keywords

Carcass composition; Genetic parameters; Progeny testing; Selection; Sheep

Indexed keywords

EID: 0030210992     PISSN: 13577298     EISSN: None     Source Type: Journal    
DOI: 10.1017/S1357729800028368     Document Type: Article

References (26)

1. Bennett, G. L., Meyer, H. H. and Kirton, A. H. 1988. Effects of selection for divergent ultrasonic fat depth in rams on progeny fatness. Animal Production 47: 379-386.
2. Boldman, K. G., Kriese, L. A., Van Vleck, L. D., Van Tassell, C. P. and Kachman, S. D. 1995. A manual for use of MTDFREML. U.S. Department of Agriculture, Agriculture Research Service, Clay Centre, Nebraska.
3. Butterfield, R. M., Griffiths, D. A., Thompson, J. M., Zamora, J. and James, A. M. 1983. Changes in body composition relative to weight and maturity in large and small strains of Australian Merino rams. 1. Muscle, bone and fat. Animal Production 36: 29-37.
4. Cameron, N. D. 1992. Correlated responses in slaughter and carcass traits of crossbred progeny to selection for carcass lean content in sheep. Animal Production 54: 379-388.
5. Cameron, N. D. and Bracken, J. 1992. Selection for carcass lean content in a terminal sire breed of sheep. Animal Production 54: 367-377.
6. Cameron, N. D. and Curran, M. K. 1995. Responses in carcass composition to divergent selection for components of efficient lean growth rate in pigs. Animal Science 61: 347-359.
7. Conniffe, D. and Moran, M. A. 1972. Double sampling with regression in comparative studies of carcass composition. Biometrics 28: 1011-1023.
8. Cook, G. L., Jones, D. W. and Kempster, A. J. 1983. A note on a simple criterion for choosing among sample joints for use in double sampling. Animal Production 36: 493-495.
9. Cuthbertson, A., Harrington, G. and Smith, R. J. 1972. Tissue separation - to assess beef and lamb variation. In Symposium on aspects of carcass evaluation. Proceedings of the British Society of Animal Production, pp. 113-122.
10. Genstat 5 Committee. 1993. Genstat 5 release 3 reference manual. Oxford University Press, Oxford.
11. Hammond, J. 1940. Farm animals, their breeding, growth and inheritance. Edward Arnold and Co., London.
12. Hill, W. G. and Thompson, R. 1977. Design of experiments to estimate offspring-parent regressions using selected parents. Animal Production 24: 163-168.
13. Kempster, A. J. 1983. Carcass quality and measurement in sheep. In Sheep production (ed. W. Haresign), pp. 59-74. Butterworths, London.
14. Kempster, A. J., Cook, G. L. and Grantley-Smith, M. 1986. National estimates of body composition of British cattle, sheep and pigs with special reference to trends in fatness. A review. Meat Science 17: 107-138.
15. McClelland, T. H., Bonaiti, B. and Taylor, St C. S. 1976. Breed differences in body composition of equally mature sheep. Animal Production 23: 281-293.
16. Meat and Livestock Commission. 1993. Sheep yearbook. MLC, Milton Keynes.
17. Patterson, H. D. and Thompson, R. 1971. Recovery of interblock information when block sizes are unequal. Biometrica 58: 545-554.
18. Simm, G. 1987. Carcass evaluation in sheep breeding programmes. In New techniques in sheep production (ed. I. F. M. Marai and J. B. Owen), pp. 125-144. Butterworths, London.
19. Simm, G. 1992. Selection for lean meat production in sheep. In Recent advances in sheep and goat research (ed. A. W. Speedy), pp. 193-215. CAB International.
20. Simm, G. and Dingwall, W. S. 1989. Selection indices for lean meat production in sheep. Livestock Production Science 21: 223-233.
21. Simm, G., Young, M. J. and Beatson, P. R. 1987. An economic selection index for lean meat production in New Zealand sheep. Animal Production 45: 465-475.
22. Taylor, St C. S. 1985. Use of genetic size-scaling in evaluation of animal growth. Journal of Animal Science 61: suppl. 2, 118-143.
23. Thompson, J. M. 1990. Correlated response to selection for growth and leanness in sheep. Proceedings of the fourth world congress on genetics applied to livestock production, Edinburgh 16: 266-274.
24. Thompson, J. M., Butterfield, R. M. and Perry, D. 1985. Food intake, growth and body composition in Australian Merino sheep selected for high and low weaning weight. 2. Chemical and dissectible body composition. Animal Production 40: 71-84.
25. Wolf, B. T. and Smith, C. 1983. Selection for carcass quality. In Sheep production (ed. W. Haresign), pp. 493-514. Butterworths, London.
26. Woodward, J. and Wheelock, V. 1990. Consumer attitudes to fat in meat. In Reducing fat in meat animals (ed. J. D. Wood and A. V. Fisher), pp. 66-100. Elsevier, London.