Table 8 Effect of essential oils on the ileal gene expression of claudin-1, occludin and mucin-2 in broilers^a

Treatment

 U1

1.04

1.01

1.05

 U2

0.99

0.84

0.63

 U3

1.27

1.11

0.95

 U4

1.33

1.09

0.82

 C1

0.98

0.80

0.86

 C2

0.95

0.91

0.80

 C3

0.80

0.93

0.68

 C4

0.80

0.94

0.93

 SEM

0.051

0.029

0.047

P-value

 Challenge

0.006

0.031

0.627

 EO

0.908

0.130

0.335

 Challenge × EO

0.136

0.250

0.281

 Linear^b

0.599

0.099

0.892

 Quadratic^b

0.894

0.766

0.159