Using Illumina’s PorcineSNP60 BeadChip, we performed a pilot GWAS in 217 Junmu1 white male pigs phenotyped for RFI. Two-step and one-step method were used separately to identify associated SNPs. Both methods obtained similar results. 12 SNPs were identified to be significantly associated with RFI at Bonferroni’s adjusted p level (p < 9.7× 10-7) and 204 were found to have suggestive (moderately significant) association with RFI at p < 5 × 10-5. NMBR, KCTD16, ASGR1, PRKCQ, PITRM1, TIAM1 and RND3 were identified as candidate genes for RFI.