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Table 1 Percentage of isolation of Salmonella and Salmonella Typhimurium by culture and PCR method respectively from eggshell samples of orally infected birds at different weeks of pi

From: Correlating bacterial shedding with fecal corticosterone levels and serological responses from layer hens experimentally infected with Salmonella Typhimurium

Weeks pi

Salmonella Typhimurium only group

Co-infection group

Salmonella detection by culture method

Salmonella Typhimurium detection by PCR

Salmonella detection by culture method

Salmonella Typhimurium detection by PCR

Salmonella Mbandaka detection by PCR

Week 6

21.74c (5/23)a

17.39 (4/23)

33.33 (8/24)

8.33 (2/24)b

8.33 (2/24)b

Week 8

9.52 (8/84)

8.33 (7/84)

10.89 (11/101)

8.91 (9/101)

0.00 (0/101)

Week 10

15.85 (13/82)

15.85 (13/82)

15.22 (14/92)

10.87 (10/92)

5.43 (5/92)

Week 12

13.48 (12/89)

12.36 (11/89)

22.92 (22/96)

14.58 (14/96)

13.54 (13/96)

Week 14

11.49 (10/87)

10.34 (9/87)

21.88 (21/96)

13.54 (13/96)

7.29 (7/96)

Total

13.15 (48/365)

12.05 (44/365)

13.20 (54/409)

11.74 (48/409)

6.60 (27/409)

  1. aNumber of positive eggs/total number of eggs tested.
  2. bResults confirmed by PCR.
  3. cValues in  %.