The effect of Texel Muscling QTL (TM-QTL) on meat quality traits in crossbred lambs

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dc.contributor.author Lambe, N. R.
dc.contributor.author Macfarlane, J. M.
dc.contributor.author RIchardson, R.I.
dc.contributor.author Matika, O.
dc.contributor.author Haresign, W.
dc.contributor.author Bunger, L.
dc.date.accessioned 2011-06-01T13:13:14Z
dc.date.available 2011-06-01T13:13:14Z
dc.date.issued 2010-08-01
dc.identifier.citation Lambe , N R , Macfarlane , J M , RIchardson , R I , Matika , O , Haresign , W & Bunger , L 2010 , ' The effect of Texel Muscling QTL (TM-QTL) on meat quality traits in crossbred lambs ' Meat Science , vol 85 , no. 4 , pp. 684-690 . en
dc.identifier.other PURE: 164739
dc.identifier.other dspace: 2160/6880
dc.identifier.uri http://hdl.handle.net/2160/6880
dc.description Lambe, N.R., Macfarlane, J.M., Matika, O., Haresign, W., Bunger, L. (2010). The effect of Texel Muscling QTL (TM-QTL) on meat quality traits in crossbred lambs.   Meat Science, 85, (4), 684-690. Sponsorship: DEFRA; MDC; BBSRC IMPF: 02.61 RONO: 00 en
dc.description.abstract A quantitative trait locus (QTL) has been identified on chromosome 18 in Texel sheep (TM-QTL) that increases depth and area of the longissimus dorsi muscle. The study aimed to assess the pleiotropic QTL effects on key meat quality traits (toughness and intramuscular fat content after 7 days aging) of crossbred lambs carrying one copy of the TM-QTL. The results showed that male Texel × Mule lambs carrying the TM-QTL had significantly less intramuscular fat (1.86% versus 2.25%) and higher toughness, with increased variation, in the loin muscle, compared to non-carrier males. Similar conclusions were obtained using two different types of tenderometer equipment: one using the Volodkevitch test (average shear force of 4.17 kgF or 40.9 N for carrier males, 2.61 kgF or 25.6 N for non-carrier males) and one using the MIRINZ test (average shear force of 6.18 kgF or 60.6 N for carrier males, 5.22 kgF or 51.2 N for non-carrier males). Although most toughness measurements were within published consumer acceptability limits, a few individual TM-QTL carrier lambs had unacceptably tough meat, despite enhanced post-slaughter processing. The TM-QTL did not significantly affect loin toughness in female lambs, leg toughness in either sex, or intramuscular fat content. These results should be considered, alongside direct effects of the TM-QTL on muscling and carcass composition, in recommendations for the use of this QTL by sheep breeders. Keywords: Meat eating quality; Meat quality; Muscularity; Texel; Lambs; QTL en
dc.format.extent 7 en
dc.language.iso eng
dc.relation.ispartof Meat Science en
dc.title The effect of Texel Muscling QTL (TM-QTL) on meat quality traits in crossbred lambs en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.identifier.doi http://dx.doi.org/10.1016/j.meatsci.2010.03.025
dc.contributor.institution Institute of Biological, Environmental and Rural Sciences en
dc.description.status Peer reviewed en


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