Fig. 3

Hindgut bile acid (BA) profiles between HS and HSB group (n = 9). A The total bile acid concentration in the hindgut of HS and HSB group. B Bile acids unique to the HSB group. HS means fed a starch-rich diet. C Significantly different relative abundance of bile acids in the hindgut of HS and HAB group. D Relative abundance of bile acids in the hindgut of HS and HSB group. HS means fed starch-rich diet. HSB means fed a starch-rich diet supply of 4 g/d bile acids for dairy goats every day. The differences in data in (A) and (B) were tested by Wilcon rank-sum. The bars represent mean ± SEM. ^*P < 0.05. TBA Total bile acids, PBA Primary bile acid, FSBA Free secondary bile acid, CSBA Conjugated secondary bile acid, 12-KLCA 12-Ketolithocholic acid, 12-oxo-CDCA 12-Oxochenodeoxycholic acid, 3-oxo-CA 3-Oxocholic acid, 3-oxo-DCA 3-Oxodeoxycholic acid, 3β-CA 3β-Cholic acid, 3β-UDCA 3β-Ursodeoxycholic acid, 6,7-DKLCA 6,7-Diketolithocholic acid, 6-ketoLCA 5-β-Cholanic acid-3α-ol-6-one, 7,12-DKLCA 7,12-Diketolithocholic acid, 7-KDCA 7-Ketodeoxycholic acid, 7-KLCA 7-Ketolithocholic acid, CA Cholic acid, CA-3S Cholic acid 3-sulfate sodium salt, CA-7S Cholic acid 7-sulfate, CDCA Chenodeoxycholic acid, CDCA-3Gln Chenodeoxycholic acid-3-β-D-glucuronide, CDCA-3S Chenodeoxycholic acid 3-sulfate disodium salt, DCA Deoxycholic acid, DCA-3-O-S Deoxycholic acid 3-O-sulfate disodium salt, DLCA Dehydrolithocholic acid, GCA Glycocholic acid, GCDCA Glycochenodeoxycholic acid, GCDCA-3S Glycochenodeoxycholic acid 3-sulfate disodium salt, GDCA Glycodeoxycholic acid, GHCA Glycohyocholic acid, GHDCA Glycohyodeoxycholic acid, GLCA Glycolithocholic acid, GUDCA Glycoursodeoxycholic acid, GUDCA-3S Glycoursodeoxycholic acid 3-sulfate sodium, HCA Hyocholic acid, HDCA Hyodeoxycholic acid, IALCA Isoallolithocholic acid, ILCA Isolithocholic acid, IsoCDCA Isochenodeoxycholic acid, LCA Lithocholic acid, LCA-3S Lithocholic acid-3-sulfate, MDCA Murideoxycholic acid, NCA Norcholic acid, TCA Taurocholic acid, TCA-3S Taurocholic acid 3-sulfate sodium salt, TCDCA Taurochenodeoxycholic acid, TDCA Taurodeoxycholic acid, THDCA Taurohyodeoxycholic acid, TLCA Taurolithocholic acid, TUDCA Tauroursodeoxycholic acid, Tα-MCA Tauro-α-muricholic acid, Tβ-MCA Tauro-β-muricholic acid, UCA Ursocholic acid, α-MCA α-muricholic acid, βGCA 3β-Glycocholic acid, β-MCA β-Muricholic acid, ω-MCA ω-Muricholic acid