http://cp.vetlearn.com/Media/PublicationsArticle/VTX_06_02_83.pdf MIC90 Values for Tulathromycin against Isolates from North American Swine
Pathogen
MIC90(μg/ml)
P. multocida (n = 55)
2
H. parasuis(n = 31)
2
A. pleuropneumoniae(n = 135)
32
B. bronchiseptica(n = 42)
8
Several studies have been conducted to determine the pharmacokinetic behavior of tulathromycin in cattle and swine following a single administration at the recommended dosage of 2.5 mg/kg body weight. Summarized Pharmacokinetic Parameters of Tulathromycin in Plasma and Lung following SC Administration in Cattle and IM Administration in Swine Plasma Lung Parametere Swine Swine
血槳
肺臟組織
Time to maximum concentration (hr)
到達峰值濃度所需時間(小時)
<1 ,
24
Maximum concentration (μg/ml)
峰值濃度(微克�毫升)
~0.6
3.47
Half life (h)
半衰期(小時)
~91
142
http://www.fda.gov/downloads/Adv ... ittee/UCM127196.pdf
Three macrolides (erythromycin, tylosin, and tilmicosin) are currently approved for use in cattle and swine.
Tulathromycin will be available only as an injectable formulation.