Tissue No of Sample Negative Samples Positive Samples % positive Lung            17 4 13 76.5% Lymph nodes 8 3 5 62.5% Total 25 7 18 72.0% P value=0.0870, Relative risk=2.039(0.8023- 5.183) at 95% Confidence interval

Table 1: Zieehl-Nielson staining test of Samples collected from abattoir before heat treatment.