Skip to main content

Table 3 Group significance pairwise comparisons of T-RFLP bacterial community fingerprints associated with mucosa or within digesta between beef cattle administered (AS700) or not administered antimicrobial growth promoters (Control) a

From: Effect of antimicrobial growth promoter administration on the intestinal microbiota of beef cattle

Sample/location T-RF presence/absence T-RF relative abundance
AS700 Control AS700 Control
Digesta     
  Central jejunum 0.237 0.540 0.571 0.150
Ileum 0.718 0.140 0.588 0.169
  Cecum 0.502 0.627 0.541 0.158
  Descending colon 0.419 0.602 0.578 0.127
Mucosa     
  Duodenum 0.667 0.745 0.544 0.166
  Proximal jejunum 0.852 0.269 0.335 0.030*
  Central jejunum 0.872 0.062 0.919 0.009**
  Distal jejunum 0.922 0.742 0.738 0.879
  Ileum 0.324 0.409 0.321 0.066
  Cecum 0.881 0.281 0.918 0.001**
  Spiral colon 0.047* 0.462 0.468 0.062
  Descending colon 0.959 0.167 0.954 0.350
  Rectum 0.810 0.115 0.742 0.347
  1. a All samples consisted of five replicate animals per treatment, with the exception of digesta from the central jejunum of treatment cattle (n = 3), from the ileum of control and AS700 treatment cattle (n = 3), and from the cecum and descending colon of AS700 treated cattle (n = 4). The two p-values presented per comparison reflect inter-group variability.
  2. *Significant difference (P ≤ 0.05 and P > 0.01) between the AS700 and control treatments by sample type/location for each of T-RF presence/absence and T-RF relative abundance (i.e. AS700 compared to control and visa-versa).
  3. **Highly significant difference (P ≤ 0.01) between the AS700 and control treatments by sample type / location.