colistin

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colistin

[kə′lis·tən]
(microbiology)
C45H85O10N13 A basic polypeptide antibiotic produced by Bacillus colistinus; consists of an A and B component, active against a broad spectrum of gram-positive microorganisms and some gram-negative microorganisms.
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Colistin sulfate and bacitracin zinc are commonly used in broiler chickens but rarely used in weaning piglets [13].
The following dietary treatments were carried out: i) Control (basal diet based on corn and soybean meal without antibiotics) and ii) Antibiotic (basal diet supplemented with colistin sulfate at 20 g per ton and bacitracin zinc at 40 g per ton).
In these set of experiments we studied three groups with three rabbits each by administering 10, 20 and 30mg of colistin sulfate /kg body weight for seven days.
0x107cfu/kg diet, respectively) diets had similar growth performance to those given diet containing colistin sulfate.
2) Antibiotic provided the following per kg of feed: Chlortetracycline, 150 mg; Colistin sulfate, 80 mg; Kitasamycin 50 mg.
For stock solutions of polymyxins, colistin sulfate and polymyxin B powders (Sigma Aldrich) were diluted into MHB-CA medium in glass tubes to obtain a concentration of 0.
Dietary treatments including control diets, diets supplemented with antibiotics (100 ppm colistin sulfate, 50 ppm Kitasamycin plus 60 ppm Olaquindox), 0.
During January 2008-December 2010, we screened 3,186 fecal samples on brain-heart infusion agar with 5% defibrinated sheep blood and antimicrobial drugs (bacitracin, cycloheximide, colistin sulfate, cephazoline sodium, novobiocin) and incubated under microaerophillic environment (5% [O.
Susceptibilities of 9 confirmed isolates to ceftazidime, chloramphenicol, colistin sulfate, gentamicin, minocycline, piperacillin/tazobactam, and trimethoprim-sulfamethoxazole were determined by using a disk diffusion method.
Three Salmonella enterica serovar Typhimurium DT 104A isolates from a boy, a pig, and a calf on a Dutch farm, with MIC values for antimicrobial drugs MIC ([micro]g/mL) (a) Antimicrobial drug Porcine strain Tetracycline >32 R Sulfamethoxazole >512 R Spectinomycin 32 S Chloramphenicol 8 S Florfenicol 8 S Streptomycin 8 S Ampicillin 2 S Neomycin [less than or equal to] 2 S Amoxycillin-clavulanic acid [less than or equal to] 2/1 S Nalidixic acid [less than or equal to] 4 S Gentamicin [less than or equal to] 1 S Trimethoprim >32 R Colistin sulfate [less than or equal to] 4 S Trimethoprim-sulfamethoxazole >8/152 R Ciprofloxacin [less than or equal to] 0.
1 Colistin Colistin sulfate (TZF) 1 000 000 IU 20 craze 260