Abstract
Sulphadimidine administered intravenously at a dose of 20 mg/kg to 20 each of Newzealand rabbits, Awassi goats, Awassi sheep, Jersey cattle, donkeys and one-humped camels produced a maximum plasma concentration of acetylated sulphonamide at 2 hours after administration. Data of acetylated sulphonamide from sheep, goats, cattle and donkeys fit a unimodal distribution, whereas those from rabbits and camels fit a bimodal distribution suggesting acetylator phenotype of sulphadimidine in camels and rabbits.