http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
닭과 돼지에서 분리한 Campylobacter jejuni 의 동물혈청 및 항균성 물질에 대한 감수성
강호조,이수청 경상대학교 축산진흥연구소 1989 畜産振興硏究所報 Vol.16 No.1
A total of 108 strains of C. jejune isolated from pigs and chickens. were examined for the susceptibility to 10 antimicrobial agents and normal sera of cattle, sheep, guinea pigs and chickens. Minimal inhibitory concentration(MIC) ranges of antimicrobial agents to C. jejune isolates were ≤1.56 to ≥100㎍/ml for erythromycin, rifampin, streptomycin and tetracycline, 50 to ≥ 100㎍ for cephalothin, ≤1.56 to 50㎍ for ampicillin, ≤1.56 to 25 ㎍ for kanamycin and nalidixic acid, ≤1.56 to 12.5 ㎍ for chloramphenicol and gentamicin. Resistance rates of C. jejune were showed to in order of rifampin(84.7%), tetracycline(56.2%), erythromycn(17.1%) and ampicillin(3.8%), all of the strains were sensitive to chloramphenicol, gentamicin and kanamycin, and the incidence rates of resistant C. jejani were highly frequent in pig isolates than chicken isolates. The drug resistance patterns of 87 chicken isolates C. jejuni to 9 antimicrobial drugs were showed 12 patterns, and Sm Ra Tc(24.1%), Sm Ra(21.8%) and Ra Tc(14.9%) were relatively common, and also 21 pig isolates were showed 6 patterns and Em Sm Ra Tc(57.1%) were most frequent. The majority of the isolates showed multiple drug resistance. Bactericidal activity of 10% normal sera from healthy animals were examind for 60min at 37℃. C. jejuni were decreased from 0.4 to 1.0 log_(10)(p$lt;0.01), and serum susceptibility were high in order of guinea pig, sheep, chicken and cattle sera. Serum sensitivity of C. jejuni Ch-39 strain in increased serum concentation up to 10, 20, 40 and 80% were highly significant. In the normal animal serum, the number of Ch-39 strain were decreased from 1.8 × 10⁴/ ml to 2.7 × 10³ / ml after 60 min incubation(p[0.01), but the numbers were decreased to 6.6 × 10³ / ml in the heat inactivated normal serum for 30 min at 56℃. Bactericidal activity was restored in the heat inactivated normal serum after the serum of complement source was added.