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Title: Genetic correlation estimates for lamb carcass composition
Contributor(s): Mortimer, S I (author); Swan, Andrew  (author); Ball, Alexander (author); Hopkins, David L (author); Jacob, R H (author); Warner, R D (author); Pearce, K L (author); Pethick, David W (author); Van Der Werf, Julius H  (author)orcid ; Hocking Edwards, J E (author); Geesink, Geert  (author); Gardner, Graham E (author)
Publication Date: 2011
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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.
Publication Type: Conference Publication
Conference Name: 19th Conference of the Association for the Advancement of Animal Breeding and Genetics, Perth, Australia, 19th - 21st July, 2011
Conference Details: 19th Conference of the Association for the Advancement of Animal Breeding and Genetics, Perth, Australia, 19th - 21st July, 2011
Source of Publication: Breeding Objectives: A New Paradigm, p. 227-230
Publisher: AAABG: Association for the Advancement of Animal Breeding and Genetics
Place of Publication: Perth, Australia
Field of Research (FOR): 070201 Animal Breeding
Socio-Economic Outcome Codes: 830310 Sheep - Meat
830311 Sheep - Wool
Peer Reviewed: Yes
HERDC Category Description: E1 Refereed Scholarly Conference Publication
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Series Name: Proceedings of the AAABG ... Conference
Series Number : 19
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Appears in Collections:Animal Genetics and Breeding Unit (AGBU)
Conference Publication
School of Environmental and Rural Science

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