in efficacy trials using an infection model with an e. coli strain with a minimal inhibitory concentration ( m.i.c . ) of 3.2 mug/ml a good therapeutic effect was observed when ampicillin trihydrate was given for 4 days at a concentration in the drinking water of at least 1.65 g/1 .
C0014836
infection
C0700443
ampicillin trihydrate