at a single muscular injection to ewes at the rate of 25 mg/kg ampicillin-na was eliminated via the milk in higher concentrations , reaching a peak volume at the fourth hour -- 0.75 mg/cm3 , for a shorter period of time ( up to the 14th hour ) as compared to ampicillin-trihydrate ( up to 24th hour ) when used in the same dose .
C0002680
ampicillin
C0700443
ampicillin-trihydrate