Fig. 1

Two examples of allometric analysis performed on pharmacokinetic data of cephalosporins. Figure shows clearance, volume of distirubution and half-life of ceftazidime (3rd generation cephalosporin) and cefquinome (4th generation cephalosporin). Ceftazidime is also used in human medicine, human data are included in this figure and the equation and R2 shown are based on allometric analysis including human data