Evaluating the effects of single copy of a mutation in the myostatin gene (c.*1232G > A) on carcass traits in crossbred lambs.

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dc.contributor.author Masri, A. Y.
dc.contributor.author Lambe, N. R.
dc.contributor.author Macfarlane, J. M.
dc.contributor.author Brotherstone, S.
dc.contributor.author Haresign, W.
dc.contributor.author Bunger, L.
dc.date.accessioned 2011-06-20T15:52:12Z
dc.date.available 2011-06-20T15:52:12Z
dc.date.issued 2011-04-01
dc.identifier.citation Masri , A Y , Lambe , N R , Macfarlane , J M , Brotherstone , S , Haresign , W & Bunger , L 2011 , ' Evaluating the effects of single copy of a mutation in the myostatin gene (c.*1232G > A) on carcass traits in crossbred lambs. ' Meat Science , vol 87 , no. 4 , pp. 412-418 . , 10.1016/j.meatsci.2010.11.019 en
dc.identifier.other PURE: 167846
dc.identifier.other dspace: 2160/7090
dc.identifier.uri http://hdl.handle.net/2160/7090
dc.description Masri, A. Y., Lambe, N. R., Macfarlane, J. M., Brotherstone, S., Haresign, W., Bunger, L. (2011). Evaluating the effects of single copy of a mutation in the myostatin gene (c.*1232G > A) on carcass traits in crossbred lambs. Meat Science, 87, (4), 412-418. corrected proof IMPF: 02.27 RONO: 00 en
dc.description.abstract This study evaluated the effects of the ovine c.*1232 G > A myostatin mutation (MM) on carcass traits in heterozygous crossbred lambs sired by Texel and Poll Dorset rams using ultrasound, CT scanning, carcass classification and VIA. In experiment 1, MM was associated with increased loin depth (+ 2.8%) and area (+ 3.2%). MM-carriers had significantly higher CT-estimated lean weight and proportion (2 to 4%) and muscle to bone ratio (by ~ 3%), in both experiments, and muscle to fat ratio (28%) in experiment 2. Muscle areas in three cross-sectional CT scans, were higher (2 to 5%) in MM-carriers. In experiment 2, fat-related measurements were significantly lower in MM-carrier lambs but this was not seen in experiment 1. A significant increase in muscle density, indicative of lower intramuscular fat, in MM-carriers shows that meat quality characteristics need attention. Carrying MM significantly decreased carcass fat scores. VIA did not detect any significant MM effects. Keywords: c.*1232 G > A; Carcass traits; Crossbred lambs; Computer tomography; Myostatin; Video image analysis en
dc.format.extent 7 en
dc.language.iso eng
dc.relation.ispartof Meat Science en
dc.title Evaluating the effects of single copy of a mutation in the myostatin gene (c.*1232G > A) on carcass 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.2010.11.019
dc.contributor.institution Institute of Biological, Environmental and Rural Sciences en
dc.description.status Peer reviewed en


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