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Salbutamol Residues In Swine Tissues And Body Fluids After Feeding, Jen Hung Ming, Hsiang Huang Han, Ling Chen Chao, Jen Wu Yu, Katie Marie Dixon, Liang Mao Chi
Salbutamol Residues In Swine Tissues And Body Fluids After Feeding, Jen Hung Ming, Hsiang Huang Han, Ling Chen Chao, Jen Wu Yu, Katie Marie Dixon, Liang Mao Chi
The Thai Journal of Veterinary Medicine
Salbutamol residues in swine tissues and fluids were investigated. Tissue, serum and urine samples were collected from 33 pigs after 14 days of oral administration of 3 ppm salbutamol. The concentrations of salbutamol were determined by enzyme-linked immunosorbent assay and further confirmed by capillary electrophoresis. The highest urinary concentration of salbutamol was 145.12 ng/ml at 18 hour and remained detectable for 30 days after the last feeding. Salbutamol was undetectable in serum samples. The highest concentrations of salbutamol in liver, kidney, lung, heart, brain and muscle were 70.42 ng/g, 31.88 ng/g, 26.06 ng/g, 6.76 ng/g, 3.41 ng/g and 2.97 ng/g, …
The Contribution Of Active Efflux In Reduced Susceptibilities To Copper Sulfate And Zinc Chloride In Escherichia Coli Isolates From Swine, Chailai Koowatananukul, Nisit Chansong, Rungtip Chuanchuen
The Contribution Of Active Efflux In Reduced Susceptibilities To Copper Sulfate And Zinc Chloride In Escherichia Coli Isolates From Swine, Chailai Koowatananukul, Nisit Chansong, Rungtip Chuanchuen
The Thai Journal of Veterinary Medicine
A hundred-eighty Escherichia coli isolates from swine were tested for minimal inhibitory concentrations (MICs) of 9 antimicrobials and two heavy metals copper sulfate and zinc chloride. All the E. coli isolates were resistant to at least one antibiotic and 175 (97.2%) isolates were multi-drug resistant. Forty antibiotic resistance patterns were identified, of which the most common pattern was AMP-CHP-CIP-ERY-GEN-STR-SUL-TET-TRI (13.3%). All the isolates formed one large population of susceptibility to copper sulfate and zinc chloride at the concentrations of 6.4-12.8 mM and 3.2-6.4 mM, respectively. Exposure to copper sulfate and zinc chloride at sublethal concentration did not change the susceptibility. …