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생분해성 iodophor microsphere 함유 유두침지 소독제의 건유기 젖소에서의 유방내 신규감염 예방 효과
황철용,김종민,윤화영,한박,한홍율,Hwang, Cheol-Yong,Kim, Jong-Min,Youn, Hwa-Young,Han, Bo,Han, Hong-Ryul 대한수의학회 2004 大韓獸醫學會誌 Vol.44 No.1
1% iodophor loaded microspheres of PLGA (Poly[DL-Lactide-co-Glycolide]) were prepared by solvent evaporation method and were applied to the cows on dry period for evaluating it's preventive effects on intramammary infections. The morphology of the microspheres were evaluated using scanning electron microscopy and their releasing patterns were investigated. On investigating idophor releasing patterns of the microsphere, burst releasing pattern was detected until 2 days after in vitro incubation and sustained releasing was observed until 4 weeks. In field trial of teat dipping solution containing idophor loaded microspheres in dry cows showed significant preventive effects of intramammary infection caused by S. aureus, S. agalactiae, coagulase negative Staphylococci and coliform bacteria (p<0.05).