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KMID : 0359319750150010101
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Korean Journal of Veterinary Research
1975 Volume.15 No. 1 p.101 ~ p.108
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Survey of Bovine Mastitis in Gyeonggido
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김효민/Kim, Hyo Min
정흥환/김수장/송봉환/한웅주/Jung, Heung Whan/Kim, Soo Chang/Son, Bong whan/Han, Joo Woong
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Abstract
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The susceptibility of 536 isolates of Staphylococcus and 313 isolates of Streptococcus to a number of chemotherapeutics were studied. These organisms were isolated from bovine mastitis during 1973 and 1974. In addition to this, the rate of multiple resistance of 425 isolates of Staphylococcus and 164 isolates of Streptococcus, isolated in 1974, to the chemotherapeutics was analysed.
The results obtained in this work were summerized as follows:
1. Staphylococcus and Streptococcus isolated in 1974 showed a higher resistance, with 3 exceptions of chemotherapeutics, than the isolates of 1973.
2. Staphylococcus isolated in 1973 and 1974 showed a higher susceptibility than Streptococcus.
3. The strains of Staphylococcus resistant to colistin were 39 strains (9.2%), to colistin and sulfisoxazole 33 (7.8%), to streptomycin, kanamycin, colistin and sulfisoxazole 20 (4.7%), and to penicillin, colistin and sulfisoxazole 18 (4.2%).
4. The strains of Streptococcus resistant to colistin were 17 strains (10.4%), to streptomycin, kanamycin, colistin and sulfisoxazole 13 (7.9%), to colistin and sulfisoxazole 11 (6.7%) and to penicillin, colistin and sulfisoxazole 11 (6.7%).
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