Given this outcome together with published data on the pharmacokinetics of sodium salicylate in calves and significant variation in individual pig concentrations post treatment2, the MAHs should justify that therapeutic concentrations are established and maintained following oral use of the drug through water medication and submit all available data that could substantiate the posology and dosage regimen of sodium salicylate when given orally to calves and pigs, together with a thorough discussion of the these data.