A population of Dorset Down sheep were selected for nine years to increase lean tissue growth using a three trait index combining information on liveweight, muscle depth and fat depth. Response to selection was assessed by X-ray CT for weight and composition of the carcass by comparison of animals sampled from a selected line (n=12) and a control line (n=10). Carcass tissue weights were assessed at 266 days of age from 16-19 slices evenly spaced along the long axis of the body of each animal.

M J Young, S. J Nsoso, P. R Beatson

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 24: Sheep and goats (fibre); sheep and goats (meat and milk); poultry; horses; buffaloes., , 153–156, 1998
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