Table 5. Tabulation of the relationship between serological test results, gamma interferon (IFNγ) status by skin test status.

		IFNγ-	IFNγ+		IFNγ-	IFNγ+		IFNγ-	IFNγ+
SICCT-	Enfer 2ag-	505	272	Enfer 4ag-	511	279	IDEXX-	497	274
	Enfer 2ag+	8*	13	Enfer 4ag+	2*	6	IDEXX+	17*	12
SICCT+	Enfer 2ag-	39	73	Enfer 4ag-	41	75	IDEXX-	40	70
	Enfer 2ag+	3	6	Enfer 4ag+	1	4	IDEXX+	2	9

* Number of ante-mortem negative animals that were serologically test positive.