Table 1.

The numbers of experimental animals, SNPs, OTUs and bacterial taxa, and the significance threshold used for GWAS.

Population	Animal	SNP	Genome-wide significance	Suggestive significance	Taxon		OTU
					Quantitative	Two-part	Quantitative	Two-part
Erhualian	227	731,411	6.84 × 10-8	1.37 × 10-6	76a	92b	105	1072
Bamaxiang	235	751,802	6.65 × 10-8	1.33 × 10-6	117c	36d	258	1143

^aPhylum 6, Class 11, order 10, family 19, Genus 26, and Species 4.

^bPhylum 6, Class 11, order 10, family 16, Genus 52, and Species 13.

^cPhylum 13, Class 15, order 28, family 28, Genus 27, and Species 6.

^dPhylum 2, class 3, order 6, family 8, Genus 12, and Species 5.