Table 1.

Prevalence of bovine tuberculosis in dairy cows using single tuberculin tests at three different governorates.

Source	Number of tested cows	Positive tuberculin reactors		Negative tuberculin reactors
		n	%	n	%
Cairo	1240	31	2.5	1209	97.5
El-Qalyubia	908	38	4.2	870	95.8
El-Sharkia	765	39	5.1	726	94.9
Total	2913	108		2805