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모돈 유즙으로부터 분리한 세균의 분포 및 항균제 감수성 조사
김성태 ( Seong Tae Kim ),김선득 ( Seon Deuk Kim ),박준영 ( Jun Young Park ),조인영 ( In Young Cho ),최종성 ( Jong Song Choi ),정지영 ( Ji Young Jung ),이주단 ( Ju Dan Lee ),허태영 ( Tai Young Hur ),정영훈 ( Young Hun Jung ),최창용 한국가축위생학회 2011 韓國家畜衛生學會誌 Vol.34 No.4
The growth rate of piglets will be decreased and the mortality of piglets will be increased in the postpartum sow with mastitis. The aim of this study was to isolate microorganisms from milk samples found in postpartum sows with suckling piglets and to further investigate antimicrobial susceptibility against isolated bacteria. Milk samples were collected from 567 udders of 42 lactating sows and the isolated bacteria was then identified. Isolated bacteria were tested with 12 antimicrobial agents. Bacteria were isolated from 260 milk samples (64.5%). Staphylococcus spp. were the most common microorganisms (74.5%) isolated from sow milk, followed by Streptococcus hyicus (53.9%), Staphylococcus epidermis (11.8%), Staphylococcus aureus (9.8%), and Staphylococcus haemolyticus (53.9%). In the Staphylococcus spp., Streptococcus pneumoniae (5.1%) was isolated as was Streptococcus sanguinis (3.8%) and Streptococcus ovis (2.9%). Results indicated that bacteria isolated from healthy sow milk were mostly susceptible to cephalothin (88.0%), amikacin (85.3%) and cefoxitin (82.4%), but were resistant to streptomycin (10.0%), kanamycin (33.1%) and tetracycline (19.6%).