Significant reduction in bacterial shedding and improvement in milk production in dairy farms after the use of a new inactivated paratuberculosis vaccine in a field trial

BMC Research Notes

Table 2 Milk production

Dependent variable	Strategy	Vaccination	No. of records	Marginal mean (kg)	Difference	P
	T&C	Ante-intervention	1040	10374.96	-186.87	0.2318
		Post-intervention	242	10288.09	(1.80%)
Standard lactation	VAC	Ante-intervention	767	9420.51	257.13	0.0379
		Post-intervention	364	9677.64	(2.73%)
	T&C	Ante-intervention	1040	31.55	-0.21	0.7486
Average daily production		Post-intervention	232	31.34	(0.67%)
	VAC	Ante-intervention	767	29.27	1.15	0.0016
		Post-intervention	364	30.42	(3.92%)