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Table 2 Percentage of Salmonella -positive samples after enrichment

From: Prevention of egg contamination by Salmonella Enteritidis after oral vaccination of laying hens with Salmonella Enteritidis ΔtolC and ΔacrABacrEFmdtABC mutants

 

Control

ΔtolC

ΔacrABacrEFmdtABC

Uterus

13.3

10

15.9

Spleen

80

50*

63.2

Caecum

30

6.6*

0*

Ovary

70

36.6*

31.6*

Oviduct

46.6

30

5.3*

  1. Samples of uterus, spleen, caecum, ovary and oviduct were taken, 3 weeks post-infection with Salmonella Enteritidis S1400/94. Animals were vaccinated at day 1, week 6 and week 16 with either Salmonella Enteritidis 147 ΔtolC or Salmonella Enteritidis 147 ΔacrABacrEFmdtABC. Statistically significant differences (p < 0.05) in percentage of positive organ samples between vaccinated groups and the non-vaccinated control group are indicated with an asterisk.
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Veterinary Research

ISSN: 1297-9716