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The pharmacokinetics (PK) and dose proportionality of gamithromycin (ZACTRAN), a novel azalide, after a single intravenous (i.v.) dose of 3 mg/kg or subcutaneous (s.c.) injection at 3, 6 and 9 mg/kg body weight were studied in 13 male castrate and 13 female Angus cattle. Following i.v. administration, the mean area under the curve extrapolated to infinity(More)
OBJECTIVE To determine the disposition of gamithromycin in plasma, pulmonary epithelial lining fluid (PELF), bronchoalveolar lavage (BAL) cells, and lung tissue homogenate in cattle. ANIMALS 33 healthy Angus calves approximately 7 to 8 months of age. PROCEDURES Calves were randomly assigned to 1 of 11 groups consisting of 3 calves each, which differed(More)
The pharmacokinetics of afoxolaner in dogs was evaluated following either intravenous or after oral administration of NEXGARD(®), a soft chewable formulation. Afoxolaner is a member of one of the newest classes of antiparasitic agents, known as antiparasitic isoxazolines. The soft chewable formulation underwent rapid dissolution, and afoxolaner was absorbed(More)
This study assessed the plasma kinetics and skin/plasma concentration ratio of the azalide antibiotic gamithromycin (ZACTRAN(®), Merial) in sheep after a single subcutaneous administration at 6 mg/kg bodyweight. Gamithromycin concentrations in plasma samples collected at various intervals up to 21 days following treatment and metacarpal skin obtained from(More)
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