Longitudinal changes in ultrasonic measurements of body composition during growth in Suffolk ram lambs and evaluation of alternative adjustment strategies for ultrasonic scan data

Journal of Animal Science

Volumn 88, Issue 4, 2010, Pages 1341-1348

  Emenheiser, J C ^a   Greiner, S P ^a   Lewis, R M ^a   Notter, D R ^a  

^a VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

Author keywords

Body composition; Growth; Sheep; Ultrasound

Indexed keywords

ANIMAL; ANIMAL DISEASE; ARTICLE; BODY COMPOSITION; BODY FAT DISTRIBUTION; BODY WEIGHT; ECHOGRAPHY; FEMALE; GROWTH, DEVELOPMENT AND AGING; HISTOLOGY; MALE; SHEEP; SKELETAL MUSCLE;

ANIMALS; BODY COMPOSITION; BODY FAT DISTRIBUTION; BODY WEIGHT; FEMALE; MALE; MUSCLE, SKELETAL; SHEEP; ULTRASONOGRAPHY;

OVIS ARIES;

EID: 77949749533     PISSN: 00218812     EISSN: 15253163     Source Type: Journal    
DOI: 10.2527/jas.2009-2378     Document Type: Article

References (15)

1. Berg, E. P., M. K. Neary, J. C. Forrest, D. L. Thomas, and R. G. Kauffman. 1997. Evaluation of electronic technology to assess lamb carcass composition. J. Anim. Sci. 75:2433-2444.
2. Emenheiser, J. C., S. P. Greiner, R. M. Lewis, and D. R. Notter. 2009. Validation of live animal ultrasonic measurements of body composition in market lambs. J. Anim. Sci. doi:doi:10.2527/jas.2009-2378
3. Fischer, T. M., J. H. J. van der Werf, R. G. Banks, A. J. Ball, and A. R. Gilmour. 2006. Genetic analysis of weight, fat and muscle depth in growing lambs using random regression models. Anim. Sci. 82:13-22.
4. Hopkins, D. L., D. G. Hall, and A. F. Luff. 1996. Lamb carcass characteristics 3. Describing changes in carcasses of growing lambs using real-time ultrasound and the use of these measurements for estimating the yield of saleable meat. Aust. J. Exp. Agric. 36:37-43.
5. Jenkins, T. G., and K. A. Leymaster. 1993. Estimates of maturing rates and masses at maturity for body components of sheep. J. Anim. Sci. 71:2952-2957.
6. Leeds, T. D., M. R. Mousel, D. R. Notter, H. N. Zerby, C. A. Moffet, and G. S. Lewis. 2008. B-mode, real-time ultrasound for estimating carcass composition in live sheep: Accuracy of ultrasound measures and their relationships with carcass composition. J. Anim. Sci. 86:3203-3214.
7. Macfarlane, J. M., R. M. Lewis, G. C. Emmans, M. L. Young, and G. Simm. 2006. Predicting carcass composition of terminal sire sheep using x-ray computed tomography. Anim. Sci. 82:289-300.
8. McLaren, D. G., F. K. McKeith, and J. Novakofski. 1989. Prediction of carcass characteristics at market weight from serial real-time ultrasound measures of backfat and loin eye area in the growing pig. J. Anim. Sci. 67:1657-1667.
9. McLaren, D. G., J. Novakofski, D. F. Parrett, L. L. Lo, S. D. Singh, K. R. Neumann, and F. K. McKeith. 1991. A study of the operator effects on ultrasonic measures of fat depth and longissimus muscle area in cattle, sheep and pigs. J. Anim. Sci. 69:54-66.
10. Notter, D. R., C. L. Ferrell, and R. A. Field. 1983. Effects of breed and intake level on allometric growth patterns in ram lambs. J. Anim. Sci. 56:380-395.
11. Rumph, J. M., W. R. Shafer, D. H. Crews Jr., R. M. Enns, R. J. Lipsey, R. L. Quaas, and E. J. Pollak. 2007. Genetic evaluation of beef carcass data using different endpoints. J. Anim. Sci. 85:1120-1125.
12. Simm, G. 1983. The use of ultrasound to predict the carcass composition of live cattle-A review. Anim. Breed. Abstr. 51:853-875.
13. Simm, G., and W. S. Dingwall. 1989. Selection indices for lean meat production in sheep. Livest. Prod. Sci. 21:223-233.
14. th ed. The Iowa State Univ. Press, Ames.
15. Tait, J. R., Jr., B. Kimm, and D. Morrical. 2005. Accuracy of ultra-sound measures relative to carcass measures of body composition in sheep. Iowa State University Animal Industry Report 2005. A. S. Leaflet R2046. http://www.ans.iastate.edu/report/air/2005pdf/2046.pdf Accessed Jun. 23, 2007.