Skip to main content

Advertisement

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.