TABLE 1.

Increase in IFN-γ production in NK cell cultures after stimulation with supernatant from antigen-stimulated adherent cells compared to medium alone^a

Calf no.	Mean IFN-γ production (ng/ml) ± SEM
	MPP14	ESAT-6	PPD	MPB70
1	1.3 ± 0.1*	2.8 ± 0.7*	4.6 ± 0.8	0.4 ± 0.3
2	2.5 ± 0.6*	1.9 ± 0.4*	1.8 ± 0.5	0.0 ± 0.5
3	5.0 ± 0.5*	4.5 ± 0.5	0.8 ± 0.4	2.8 ± 0.5
4	4.8 ± 1.1*	3.0 ± 0.8*	3.8 ± 1.1*	0.6 ± 0.2

^a*, P = 0.05, Wilcoxon rank test, compared to MPB70.