Table 5.

Comparison tests for the effect of MAP infection status on daily milk production. P-values are Tukey contrasts for multiple comparison

Comparison	Difference	SE	p-value
Significant differences
High latent vs negative 2–0	− 0.07	0.03	0.004
Moderate shedding vs negative 3–0	− 0.07	0.03	0.036
High shedding vs negative 4–0	− 0.20	0.04	< 0.001
Moderate latent vs high shedding 1–4	+ 0.17	0.05	0.002
High latent vs high shedding 2–4	+ 0.13	0.05	0.050
Non-significant differences
Moderate latent vs negative 1–0	−0.03	0.02	0.136
Moderate latent vs high latent 1–2	+ 0.04	0.03	0.679
Moderate latent vs moderate shedding 1–3	+ 0.04	0.05	0.890
Moderate shedding vs high shedding 3–4	+ 0.12	0.06	0.194
High latent vs moderate shedding 2–3	−0.00	0.05	1.000