Table 4 Effect of dietary Lactobacillus, medicinal plants extract, herb extract on the relative organs weight in laying hens against Salmonella gallinarum (n=10)

Challenge Liver Spleen Pancreas
---------- g/100 g BW ----------
Treatments NC × 2.42 0.10 0.17
2.59 0.15 0.19
PC × 2.46 0.11 0.19
2.52 0.10 0.17
LB × 2.53 0.11 0.17
2.41 0.13 0.19
MPE × 2.57 0.11 0.17
2.63 0.11 0.16
EO × 2.51 0.14 0.18
2.67 0.11 0.16
SEM 0.09 0.01 0.01
Challenge Without Salmonella 2.50 0.11 0.18
With Salmonella 2.56 0.12 0.17
Feed NC 2.51 0.13 0.18
PC 2.49 0.11 0.18
LB 2.47 0.12 0.18
MPE 2.60 0.11 0.17
EO 2.59 0.13 0.17
Challenge NS NS NS
Feed NS NS NS
Challenge × feed NS NS NS
NC, basal diet; PC, basal diet with virginiamycin 10 ppm + salinomycin 60 ppm; LB, Lactobacillus 0.1%; MPE, medicinal plants extract 100 ppm; EO, essential oil 100 ppm.NS: none significant.