Abstract
The purpose of the study was to develop an optimum SNP marker set to be utilized for domestic pork traceability. The study tested 51 SNP markers analyzed for origin of farm to be determined from genotypes of offspring and parents in pigs. With the simulation data through random mating population (PI), half sib mating population (PIhalf-sib) and full sib mating population (PIsibs), probability of identical genotypes were analyzed as 5.63×10 33 , 4.35×10 15 and 1.32×10 15 , respectively. The 51 SNP markers also had 100% accuracy for parental determination. These results suggest that if the pig breeding stock is genotyped with the 51 SNP markers, the genotype information of individual offspring can be checked for farm origins by tracing parental sow and sire. Therefore, these SNP markers will be useful to trace the pork from production to consumption in pigs. (Key words : Pig breeding, SNPs, Pork origin, Parentage analysis)
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