This dataset contains secondary observational data from a cross-sectional study designed to describe macroscopic lung and pleural lesions observed at slaughter in pigs from two intensive production fa
Date of sera sampling: 124 May 2007, 212 Dec 2007, 330 Jan 2008, 429 Jun 2007, 514 Mar 2007. Date of first vaccination: 603/05–25/08. Date of second vaccination: 711 Apr 2008–7 May 2008. Secondary ant
