Agent-based model for Johne’s disease dynamics in a dairy herd

Table 4 Economic analysis of ELISA-based control measures

Testing	Initial prevalence (%) ^a	Control	Average ^b	SD	Difference
Once	5	None	32.4	0.22
		ELISA	32.0	0.08	−0.38^c
		EVELISA	31.9	0.18	−0.44^c
	10	None	31.9	0.14
		ELISA	31.4	0.14	−0.53^c
		EVELISA	31.3	0.19	−0.61^c
	20	None	31.5	0.18
		ELISA	31.0	0.18	−0.45^c
		EVELISA	30.8	0.23	−0.64^c
Four times	5	None	32.4	0.22
		ELISA	32.2	0.18	−0.13
		EVELISA	32.2	0.17	−0.18
	10	None	31.9	0.14
		ELISA	32.0	0.16	0.01
		EVELISA	32.0	0.11	0.07
	20	None	31.5	0.18
		ELISA	31.6	0.14	0.09
		EVELISA	31.6	0.18	0.17

^aPrevalence of shedders in adult population. The unit of the monetary numbers is million dollars/10 years ^a. Ten percent is the same distribution of prevalence shown in Table 3; ^bAverage revenue calculated from results of 10 simulations; and ^cstatistically different (ANOVA followed by t test with Bonferroni and Holm adjustments, p < 0.01) from no ELISA-based control.

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