Table 2: Gross lesions detected on autopsied pigs from the four units in experiment 2.

Gross lesionsUnit AUnit BUnit C
PMWS-2PMWS-freePMWS-freePMWS-free

Number of pigs autopsied1410208
Heavy lungs54150
Bronchopneumonia5380
Enteritis/dilated intestines129160
Enlarged mesenterical lnn.5440
Enlarged bronchial lnn.96100
Enlarged inguinal lnn.66110