Table 7 Effect of dietary Enterococcus faecium NCIMB 11181 supplementation on mRNA abundance of tight junction in the ileum of broiler chickens challenged with Salmonella Typhimurium

Dosage, mg/kg

  0

–

1.03

1.05

1.06

1.02

1.01

  200

–

0.85

0.86

0.74

0.98

1.04

  0

 + 

1.61

0.48

0.47

0.69

0.68

  200

 + 

2.03

0.58

0.59

0.74

0.66

  SEM²

0.153

0.070

0.074

0.052

0.054

Main factors

  0

1.30

0.79

0.79

0.87

0.86

  200

1.44

0.73

0.68

0.86

0.85

  Non-challenged

0.94^b

0.95^a

0.90^a

1.00^a

1.02^a

  Challenged

1.84^a

0.53^b

0.52^b

0.72^b

0.67^b

Main factors and Interaction (P -value)³

  Enterococcus faecium

0.638

0.682

0.419

0.981

0.971

  Challenged

0.002

0.001

0.007

0.005

0.000

  Enterococcus faecium × Challenged

0.233

0.197

0.082

0.660

0.763