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Mapping of quantitative trait loci(QTL) for growth and meat quality in korean native pigs
한국 재래 돼지에서 성장과 육질에 대한 양적 형질 유전자 좌위 지도작성

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Authors
최익서
Advisor
한재용
Issue Date
2003
Publisher
서울대학교 대학원
Keywords
QTLMappingGrowthMeat qualityPig
Description
Thesis (master`s)--서울대학교 대학원 :농생명공학부 동물육종학,2003.
Abstract
Molecular genetic markers were genotyped used to detect chromosomal regions which contain
economically important traits such as growth, carcass, and meat quality traits in pigs. Three
generation resource population was constructed from a cross between the Korean native boars and
Landrace sows. A total of 193 F2 animals from intercross of F1 were produced. Phenotypic data on
13 traits, birth weight, body weight at 3, 5, 12, 30 weeks of age, live empty weight, backfat
thickness, muscle pH, meat color, drip loss, cooking loss, and shear force were collected for F2
animals. Animals including grandparents (F0), parents (F1), offspring (F2) were genotyped for
194 microsatellite markers covering from chromosome 1 to 18. Least squares regression interval
mapping was used for quantitative trait loci (QTL) identification. Significance thresholds were
determined by permutation test. Fifteen QTL were detected at 5% chromosome-wide significance
level for growth traits on chromosome 1, 5, 7, 13, 14, and 16, and for meat quality traits on
chromosome 5, 6, 7, 10, 11, 15, and 18. Two QTLs out of these were significant at the 1%
Chromosome-wide level for meat color on chromosome 7, and for muscle pH on chromosome 11.
Language
English
URI
http://dcollection.snu.ac.kr:80/jsp/common/DcLoOrgPer.jsp?sItemId=000000057959

http://hdl.handle.net/10371/67583
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College of Agriculture and Life Sciences (농업생명과학대학)Dept. of Food and Animal Biotechnology (식품·동물생명공학부)Theses (Master's Degree_식품·동물생명공학부)
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