Skip to main content

Table 2 Milk production

From: 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

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%)

 
  1. * First sampling date was set as the ante/post-vaccination threshold.