Effect of theophylline on serum and milk pharmacokinetics of tylosin following intramuscular administration in lactating goats.

Aim Of The Work: The study was conducted to evaluate the influence of theophylline pre-treatment on serum pharmacokinetics and milk elimination of tylosin following single intramuscular (IM) administrations in lactating goats.

Methods And Results: In a cross-over study, tylosin was injected via intramuscular (IM) at a single dose of 15 mg/kg b.wt.