showed a trendp = 0.076
When inserted separately into the final model, replacing overall PregSure® BVD use, an increase in the odds of a calf being a BNP case was significantly associated with PregSure® BVD use in each of 2007, 2008, 2009 and 2010 (p<0.001) and showed a trend in the same direction for 2006 (p = 0.076).