Genetic relationships between seasonal tissue levels in Scottish Blackface ewes and lamb growth traits

Animal Science

Volumn 81, Issue 1, 2005, Pages 11-21

  Lambe, N R ^a   Brotherstone, S ^a   Young, M J ^a,b   Conington, J ^a   Simm, G ^a  

^a SCOTTISH AGRICULTURAL COLLEGE   (United Kingdom)

^b LINCOLN UNIVERSITY   (New Zealand)

Author keywords

Body composition; Computed tomography; Ewes; Genetic parameters; Regression analysis

Indexed keywords

OVIS; OVIS ARIES;

EID: 24044439730     PISSN: 13577298     EISSN: None     Source Type: Journal    
DOI: 10.1079/ASC41670011     Document Type: Article

References (22)

1. Bunger, L., Lewis, R. M., Rothschild, M. F., Blasco, A., Renne, U. and Simm, G. 2005. Relationships between quantitative and reproductive fitness traits in animals. Philosophical Transactions of The Royal Society of London, Series B-Biological Sciences In press.
2. Coffey, M. P., Emmans, G. C. and Brotherstone, S. 2001. Genetic evaluation of dairy bulls for energy balance traits using random regression. Animal Science 73: 29-40.
3. Conington, J., Bishop, S. C., Grundy, B., Waterhouse, A. and Simm, G. 2001. Multi-trait selection indexes for sustainable UK hill sheep production. Animal Science 73: 413-423.
4. Conington, J., Bishop, S. C., Waterhouse, A. and Simm, G. 1995. A genetic analysis of early growth and ultrasonic measurements in hill sheep. Animal Science 61: 85-93.
5. Conington, J. and Hernando, A. 2000. Genetic analyses of fat, muscle, live weight and condition score. SAC/Roslin Institute hill sheep project, progress report, no. 15, pp. 16-21.
6. Cowan, R. T., Robinson, J. J., McDonald, I. and Smart, R. 1980. Effects of body fatness at lambing and diet in lactation on body tissue loss, feed intake and milk yield of ewes in early lactation. Journal of Agricultural Science, Cambridge 95: 497-514.
7. Frutos, P., Mantecón, A. R. and Giráldez, F. J. 1997. Relationship of body condition score and live weight with body composition in mature Churra ewes. Animal Science 64: 447-452.
8. Gibb, M. J. and Treacher, T. T. 1980. The effect of ewe body condition at lambing on the performance of ewes and their lambs at pasture. Journal of Agricultural Science, Cambridge 95: 631-640.
9. Gilmour, A. R., Cullis, B. R., Welham, S. J. and Thompson, R. 2001. ASREML reference manual. NSW Agriculture, Orange, NSW, Australia.
10. Gunn, R. G. and Doney, J. M. 1975. The interaction of nutrition and body composition at mating on ovulation rate and early embryo mortality in Scottish Blackface ewes. Journal of Agricultural Science, Cambridge 85: 465-470.
11. Lambe, N. R., Brotherstone, S., Lewis, R. M., Young, M. J., Conington, J. and Simm, G. 2002. A genetic analysis of seasonal tissue changes in Scottish Blackface ewes, using X-ray computed tomography. Proceedings of the seventh world congress on genetics applied to livestock production, Montpellier, vol. 29, pp. 593-596.
12. Lambe, N. R., Simm, G., Young, M. J., Conington, J. and Brotherstone, S. 2004. Seasonal changes in tissue weights in Scottish Blackface ewes over multiple production cycles. Animal Science 79: 373-385.
13. Lambe, N. R., Young, M. J., Brotherstone, S., Kvame, T., Conington, J., Kolstad, K. and Simm, G. 2003a. Body composition changes in Scottish Blackface ewes during one annual production cycle. Animal Science 76: 211-219.
14. Lambe, N. R., Young, M. J., McLean, K. A., Conington, J. and Simm, G. 2003b. Prediction of total body tissue weights in Scottish Blackface ewes using computed tomography scanning. Animal Science 76: 191-197.
15. McClelland, T. H. and Russel, A. J. F. 1972. The distribution of body fat in Scottish Blackface and Finnish Landrace lambs. Animal Production 15: 301-306.
16. Meat and Livestock Commission. 1988. Sheep in Britain. Sheep Improvement Services, Milton Keynes.
17. Peart, J. N. 1968. Some effects of live weight and body condition on the milk production of Blackface ewes. Journal of Agricultural Science, Cambridge 70: 331-338.
18. Peart, J. N. 1970. The influence of live weight and body condition on the subsequent milk production of Blackface ewes following a period of under nourishment in early lactation. Journal of Agricultural Science, Cambridge 75: 459-469.
19. Russel, A. J. F., Gunn, R. G. and Doney, J. M. 1968. Components of weight loss in pregnant hill ewes during winter. Animal Production 10: 41-53.
20. Simm, G. and Dingwall, W. S. 1989. Selection indices for lean meat production in sheep. Livestock Production Science 21: 223-233.
21. Taylor, St C. S. and Murray, J. I. 1991. Effect of feeding level, breed and milking potential on body tissues and organs of mature, non-lactating cows. Animal Production 53: 27-38.
22. Wood, J. D., MacFie, H. J. H., Pomeroy, R. W. and Twinn, D. J. 1980. Carcass composition in four sheep breeds: the importance of type of breed and stage of maturity. Animal Production 30: 135-152.