| pharmacokinetics of doxycycline after parenteral administration in the houbara bustard (chlamydotis undulata). | fourteen adult houbara bustards (chlamydotis undulata) infected with chlamydia psittaci were administered doxycycline at 100 mg/kg body weight in seven intramuscular or subcutaneous injections at intervals of 7, 7, 7, 6, 6, and 5 days. blood levels of doxycycline were measured after the first and seventh injections at the following intervals: 0, 12, 24, 36, 48, 72, 96, 120, 144, 168, and 180 hours. during these two periods, most of the birds showed plasma doxycycline levels in excess of 1 microg ... | 1993 | 8452507 |