A positive association between the occurrence of
clinical respiratory disease signs and pathological findings
was seen in the control group (p < 0.001), but not in the
garlic-fed group (p = 0.15). It appeared that pigs from the
garlic-fed group, which had shown clinical symptoms, had
not necessarily developed pathological lesions (Fig. 4). No
correlation was found between the content of AMS in
blood and the occurrence of pathological lung changes or
the relative weight of lungs.