A comparison of technical replicate (cuts) effect on lamb Warner-Bratzler shear force measurement precision

B.W.B. Holman, Tharcilla I.R.C. Alvarenga, Remy J. Van de Ven, David I. Hopkins

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    30 Citations (Scopus)

    Abstract

    The Warner–Bratzler shear force (WBSF) of 335 lamb m. longissimus lumborum (LL) caudal and cranial ends was measured to examine and simulate the effect of replicate number (r: 1–8) on the precision of mean WBSF estimates and to compare LL caudal and cranial end WBSF means. All LL were sourced from two experimental flocks as part of the Information Nucleus slaughter programme (CRC for Sheep Industry Innovation) and analysed using a Lloyd Texture analyser with a Warner–Bratzler blade attachment. WBSF data were natural logarithm (ln) transformed before statistical analysis. Mean ln(WBSF) precision improved as r increased; however the practical implications support an r equal to 6, as precision improves only marginally with additional replicates. Increasing LL sample replication results in better ln(WBSF) precision compared with increasing r, provided that sample replicates are removed from the same LL end. Cranial end mean WBSF was 11.2 ± 1.3% higher than the caudal end.

    Original languageEnglish
    Pages (from-to)93-95
    Number of pages3
    JournalMeat Science
    Volume105
    DOIs
    Publication statusPublished - Jul 2015

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