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ICR계 마우스에서 Enrofloxacin과 Colistin 복합체의 단회 경구 및 정맥투여시 급성독성
김민규,박승춘,윤효인,오태광,최양웅,Kim, Min-Kyu,Park, Seung-Chun,Yun, Hyo-In,Oh, Tae-Kwang,Choi, Yang-Woong 한국독성학회 1998 Toxicological Research Vol.14 No.3
The study was carried out to evaluate the acute toxicity of enrofloxacin-colistin combination via a single oral(p.o.)and intravenous(i.v.) administration in ICR mice. All procedures of the test were performed by the established regulation of Korean National Institute of Safety Research (1994. 4.14). The maximal dose of oral and intravenous routes was 5,000mg/kg and 90mg/kg, consisting with each 6 groups including control of male and female, respectively. As the results, $LD_{50}$m}'s of the combinations showed 3,075mg/kg (f)and 2,564mg/kg(m) after oral administrations, together with 48mg/kg(f) and 40mg/kg(m) after intravenous administration. These facts indicated that acute toxicitiy of enrofloxacin-colistin combination were different depending on the administration routes and sexes in ICR mice. In conclusion, the route of enrofloxacin-colistin combination must not choose as i.v. route administration in terms of acute toxicity based on $LD_{50}$.
Enrofloxacin과 colistin의 복합제(Enroco)의 아급성 독성시험
윤효인,김민규,박승춘,장범수,이내경,최양웅 충남대학교 수의과대학 동물의과학연구소 1997 動物醫科學硏究誌 Vol.5 No.-
The study was carried out to evaluate toxicity of enrofloxacin and colistin complex (Enroco) with a dose of 10 ㎎/㎏/day, 20 ㎎/㎏/day and 40 ㎎/㎏/day via oral administration for 3 weeks in ICR mice. All procedures of the test were performed by the established regulation of Korean National Institute of Safety Research (1994. 4. 14). Appearance, behavior, mortality and food consumption of treated groups were not affected during the experimental periods. No significant does-related changes of the combined antibacterials were found in urinalysis, eye examination, hematology, serum chemistry, and organ weight. No histopathological lesions were observed in both control and treatment groups. Our results strongly suggested that no toxic changes were found in mice treated orally with enrofloxacin-colistin complex for 3 weeks.