Figure 1

Bacteriolytic activity of gastric extract against M. luteus. Lytic activity shown as % of initial scattering of a M. luteus suspension (0.25 mg/ml in acetate buffer pH 5.5) treated (indicated by arrow) with gastric extracts of whole abomasum mucosa (E1, E2, E3, E4 and E, corresponding to extract concentrations of 42, 133, 233, 417 and 554 μg/ml, respectively) and EWL (5 μg/ml).