Capturing lean distribution in lamb carcases is of more value to the processor than the breeder

S.F. Walkom; G.E. Gardner; F. Anderson; A. Williams; D.J. Brown

doi:10.1016/j.meatsci.2021.108524

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Capturing lean distribution in lamb carcases is of more value to the processor than the breeder

Journal article

Peer reviewed

Capturing lean distribution in lamb carcases is of more value to the processor than the breeder

S.F. Walkom, G.E. Gardner, F. Anderson, A. Williams and D.J. Brown

Meat Science, Vol.181, Article 108524

2021

DOI: https://doi.org/10.1016/j.meatsci.2021.108524

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Abstract

With an increased implementation of chain speed measures of lean weight in lamb processing plants there is the potential for increased feedback of measures for carcase composition to the breeder. The following studies used computed tomography scans of 3167 Merino and Merino cross lamb carcases to determine the importance of capturing variation in carcase, fore, saddle and hind section lean to the processor and the breeder. Sectional measures of lean weight will provide processors with improved precision around the decision making associated with carcase processing and endpoint usage. Genetic correlations between lean (adjusted for carcase weight) within carcase sections ranged from 0.47 to 0.63. Whilst the correlations are moderate, current differences in the value of lean across the carcase does not make it viable for sheep breeders to target disproportional gains in lean across carcase sections. Instead, sheep breeders should continue to target overall carcase lean as part of their breeding objective.

Details

Title: Capturing lean distribution in lamb carcases is of more value to the processor than the breeder
Authors/Creators: S.F. Walkom (Author/Creator)
G.E. Gardner (Author/Creator)
F. Anderson (Author/Creator)
A. Williams (Author/Creator)
D.J. Brown (Author/Creator)
Publication Details: Meat Science, Vol.181, Article 108524
Publisher: Elsevier
Identifiers: 991005543684907891
Murdoch Affiliation: School of Agricultural Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.51 Dairy & Animal Sciences; 3.51.206 Meat Quality
Web Of Science research areas: Food Science & Technology
ESI research areas: Agricultural Sciences