Genetic correlation estimates for lamb carcass composition

Author(s)
Mortimer, S I
Swan, Andrew
Ball, Alexander
Hopkins, David L
Jacob, R H
Warner, R D
Pearce, K L
Pethick, David W
Van Der Werf, Julius H
Hocking Edwards, J E
Geesink, Geert
Gardner, Graham E
Publication Date
2011
Abstract
Genetic correlations were estimated among lamb carcass composition traits recorded on progeny of the Information Nucleus program of the CRC for Sheep Industry Innovation. Genetic correlations among carcass muscle dimensions (depth, width and area) and muscle weights (loin, topside and round) were positive and generally moderate to strong, as were genetic correlations among carcass fat traits (at the 5th rib, GR and C sites and weight of trimmed loin fat). The eye muscle dimensions had weak genetic correlations with the fat traits and bone weight, whereas the fat traits had favourable moderate to strong genetic correlations with topside and round weights, plus hind leg bone weight. Use of index selection in a simple terminal sire breeding program based on live animal traits is expected to yield improvements in most carcass composition traits.
Citation
Proceedings of the Association for the Advancement of Animal Breeding and Genetics, v.19, p. 227-230
ISBN
9780646559155
ISSN
1328-3227
Link
Publisher
Association for the Advancement of Animal Breeding and Genetics (AAABG)
Title
Genetic correlation estimates for lamb carcass composition
Type of document
Conference Publication
Entity Type
Publication

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