نتایج جستجو برای: florfenicol
تعداد نتایج: 512 فیلتر نتایج به سال:
The effects of a live yeast supplement [Saccharomyces cerevisiae subspecies boulardii CNCM I-1079; ProTernative Stress Formula (PTSF) yeast, Ivy Natural Solutions, Overland Park, KS] on DMI, performance, and health of beef cattle were evaluated in 3 experiments. In Exp. 1, a pilot study was conducted with 10 healthy beef steers fed a 65% concentrate diet to evaluate the effects of florfenicol (...
this study aims at molecular identification of salmonella infantis isolated from backyard chickens and the detection of their antibiotic resistance genes. a total of 46 salmonella-suspected samples isolated from backyard chickens of northern iran were collected. serotyping was done by the traditional method and then confirmed by pcr. antimicrobial susceptibility of the isolates against 13 antim...
in this study, we performed a bacteriological investigation on bovine respiratory infections. additionally, the study evaluates the efficacy of florfenicol 30 µg produced by rooyan darou company (test group) as compared to a similar drug produced by aboraihan company (control group). sampling was carried out on 30 calves at two farms with 30-55% incidence rate of respiratory disorders. nasophar...
Fil: Karp, Federico. Universidad Nacional del Litoral. Facultad de Bioquimica y Ciencias Biologicas; Argentina.
The effect of ionizing radiation on florfenicol (FF), an antibiotic with wide antibacterial properties was investigated to determine whether it can be sterilized using high-energy radiation. FF was irradiated by E-beam radiation to doses of 25-800 kGy, and then changes in the physico-chemical properties were examined using chromatographic methods (TLC and HPLC), spectroscopic methods (NMR and M...
1. Florfenicol, proposed for treatment of bovine respiratory disease also called shipping fever or transit fever, is a wide spectrum, synthetic antibacterial substance. It is structurally related to D (-)threo chloramphenicol (CAP), but differs from it in two fundamental aspects : firstly, presence of a pmethyl sulfonyl group instead of the p-nitro group, secondly, presence of fluorine atom ins...
Bacteria from the family Flavobacteriaceae often show low susceptibility to antibiotics. With the exception of two Chryseobacterium spp. isolates that were positive for the florfenicol resistance gene floR, no clinical resistance genes were identified by microarray in 36 Flavobacteriaceae isolates from salmonid fish that could grow in ≥ 4 mg/L florfenicol. Whole genome sequence analysis of the ...
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