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KMID : 1025520040460040525
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Journal of Animal Science and Technology
2004 Volume.46 No. 4 p.525 ~ p.536
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Identification of Quantitative Trait Loci(QTL) for Meat Color Trait on Chromosome 7 in Pig
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Choi Bong-Hwan
Lee Hae-Young
Kim Tae-Hun
Hong Ki-Chang
Cheong I. C.
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Abstract
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The objective of this study was to identify the quantitative traits loci(QTL) for meat quality traits in pigs. Three-generation resource population was constructed from a cross between Korean native boars and Landrace sows. The resource population including founders, F1 and F2 was genotyped for 23 microsatellite markers on chromosome 7. The sex average total length of linkage map on chromosome 7 was estimated 154.6 cM. Meat quality traits including meat pH, meat color, drip loss, shear force, heating loss, crude fat, crude protein, crude ash and water content in muscle were collected from F2 animals. For the QTL mapping, we used F2 QTL Analysis Servlet of QTL express for web-based QTL mapping tools(http://qtl.cap.ed.ac.uk/). The QTLs for CIE-a and CIE-b on SSC7 were significantly detected at 1% and 5% chromosome-wide level, respectively.
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KEYWORD
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QTL mapping, Meat color, Linkage mapping, Microsatellite, Korean native boar
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