Effects of age on the pharmacokinetics of single dose ceftiofur sodium administered intramuscularly or intravenously to cattle

age analytical methods antiinfective agents antimicrobials antimicrobianos antimicrobien application methods bioavailability biodisponibilidad bovin calves cattle ceftiofur chemical composition chromatographie chromatography composition chimique cromatografia drugs edad farmacologia ganado bovino medicamentos metabolism metabolisme metabolismo newborn animals pharmacologie pharmacology technique analytique ternero veau