TABLE 1

Bacterial quantification

Lactobacillus spp. (cells/g cecal content)Bifidobacterium spp. (cells/g cecal content)Bacteroides-Prevotella spp. (cells/g cecal content)
Control6.6 108 ± 3.4 108a4.8 106 ± 1.1 106a4.7 108 ± 5.8 108a
High fat3.0 107 ± 5.7 106b5.9 105 ± 2.2 105a1.2 109 ± 6.4 108b
Control antibiotic2.1 105 ± 3.8 104c1.0 104 ± 4.9 103b5.1 107 ± 4.4 107c
High-fat antibiotic3.9 105 ± 5.3 104c4.5 104 ± 2.3 104b2.1 108 ± 1.9 108a
ob/ob control3.8 109 ± 1.2 109a8.5 106 ± 3.8 106a1.5 108 ± 7.6 107
ob/ob antibiotic1.8 106 ± 5.7 105b1.4 106 ± 4.1 105bNondetectable
  • Data are means ± SE. Data with different letters are significantly different (P < 0.05) according to the post hoc ANOVA or Student's t test statistical analysis.