Table 1. Cattle Sera used in this study.

Lane in Fig 2	Animal ID	Serological Statusa	IDEXX ELISA Value	Prionics ELISA Value	Fecal Culture Statusb
1	Lindenhoff 90 (PA)	Pos	0.712	0.465	Moderate
2	Meyer 1688 (PA)	Pos	1.895	1.34	Moderate
3	Calf1 (IA)	Pos	2.233	1.599	Neg
4	$900 (IA)	Pos	2.55	1.073	Moderate
5	1266SS CA (CA)	Pos	1.914	0.749	High
6	2075 (PA)	Pos	1.938	1.681	High
7	874 (MN)	Pos	1.565	0.822	Neg
8	34 (MN)	Pos	2.875	3.443	Low
9	Horst 256 (PA)	Pos	1.046	0.5125	High
10	834 (IA)	Pos	1.049	0.234	Low
11	E22 (IA)	Pos	1.92	1.28	Moderate
12	Charity (WI)	Pos	2.146	2.975	Low
13	Cow 5 (IA)	Pos	1.506	0.979	High
14	Meyer 70 (PA)	Pos	2.57	2.982	Low
15	Lindenhoff 90 (PA)	Pos	0.712	0.465	Moderate
16	Lizzie (IA)	Neg	0.006	0.036	Neg
17	1823 (IA)	Neg	0.158	0.089	Neg
N/Ac	790	Neg	0.189	N/A	Neg
N/Ac	2407	Neg	0.260	N/A	Neg
N/Ac	2222	Pos	2.32	N/A	Moderate
N/Ac	8339	Pos	1.93	N/A	Low
N/Ac	1211	Neg	0.036	N/A	Neg
N/Ac	1044	Neg	0.079	N/A	Neg
N/Ac	4	Negd	N/A	N/A	Neg
N/Ac	11	Negd	N/A	N/A	Neg
N/Ac	1081	Neg	0.036	N/A	Neg
N/Ac	212	Neg	0.067	N/A	Neg
N/Ac	61	Negd	N/A	N/A	Neg
N/Ac	1392	Negd	N/A	N/A	Neg

^a Serological status determined by IDEXX and Parachek ELISA test results.

^b 1–10 CFU/gr feces = low shedder; 11–50 CFU/gr feces = moderate shedder; >50 CFU/gram of feces = high shedder

^c Serum samples used in IFN-γ testing only.

^d Based upon previous IFN-γ testing.