Research Article

Prevalence of Bovine Tuberculosis in Abattoirs of the Littoral and Western Highland Regions of Cameroon: A Cause for Public Health Concern

Table 1

Effect of diagnostic techniques and origin of tissues on the detection rate of bovine tuberculosis.

Tissue sampleTB lesions at abattoir examinationZiehl-NeelsenBacteria Culture
+%+%+%

Retropharyngeal lymph nodes
00 (3)0.00 (3)0.00 (3)0.0
15 (5)100.01 (5)20.02 (5)40.0
Total5 (8)62.51(8)12.52 (8)25.0
Mediastinal & bronchial lymph nodes
00 (13)0.01 (13)7.692 (13)15.38
132 (32)1008 (32)25.018 (32)56.25

Total32 (45)71.119 (45)20.017 (45)37.78

Mesenteric lymph nodes
00 (7)0.02 (7)28.572 (7)28.57

Total0 (7)0.02 (7)28.572 (7)28.57

Liver
00 (6)0.01 (6)16.672 (6)33.3
12 (2)100.00 (2)0.002 (2)100.0

Total2 (8)25.01(8)12.54 (8)50.0

all tissue samples
00 (29)0.004 (29)13.796 (29)20.69
139 (39)1009 (39)23.0822 (39)56.41

Total13 (68)19.1128 (68)41.18

0 = no TB lesion found; 1 = TB lesions present; ( ) = number of samples.