Proportion of Salmonella Positive animals and Days of Harvesting

Treatment category

90 days (95% CI*)

100 days (95% CI*)

115 Days (95% CI*)

Prevalence of Salmonella (Control)

5/9 (0.56), [0.21 - 0.86]

6/9 (0.67), [0.30 - 0.93]

5/12 (0.42), [0.15 - 0.72]

Prevalence of Salmonella (Treatment)

12/33 (0.36), [0.20 - 0.55]

8/31 (0.26), [0.12- 0.45]

1/36 (0.03), [0.001 - 0.15]

Risk Difference (Absolute Risk)

0.19 (-0.17 - 0.56)

0.41(0.06 - 0.75)

0.39 (0.10 - 0.67)

Relative Risk

1.53 (0.73 - 3.19)

2.58 (1.21 - 5.49)

15 (1.94 - 115.9)

Relative Risk Reduction

0.35 (−0.37 - 0.68)

0.61 (0.18 - 0.82)

0.93 (0.48 - 0.99)

χ²; P-Value

1.08, 0.298

5.12; 0.023

12.44; 0.000