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Figure 5.

Effect of the addition of ZnCl2 on biofilm formation by A. pleuropneumoniae serotype 1 strain S4074 (App1) and serotype 5b strain L20 (App5b) grown for 6 h.
Effect of the addition of ZnCl2 on biofilm formation by A. pleuropneumoniae serotype 1 strain S4074 (App1) and serotype 5b strain L20 (App5b) grown for 6 h.