ENTEROTOXIGENICITY OF BOVINE STAPHYLOCOCCI ISOLATED FROM CALIFORNIA MASTITIS TEST-POSITIVE MILK IN JAPAN
スポンサーリンク
概要
- 論文の詳細を見る
Enterotoxigenic staphylococci (ES) were detected in 363 (34.4%) out of 1,056 coagulase-positive isolates obtained from California Mastitis Test-positive milk from 708 cows on 168 farms scattered throughout Japan. The ES produced enterotoxins C (54.3%), A (31.1%), D (27.0%) and B (10.7%) either alone or together. None produced enterotoxin E. The ES were isolated from 34.0% of the mammary quarter-milk samples. Of the enterotoxigenic isolates, 38.6% were typable by the basic set for typing bovine staphylococci, while 62.3% of the nonenterotoxigenic isolates were typable. Almost all of the enterotoxin A- and D-producing isolates belonged to phage groups III or I/III. Several repeated examinations of the same cows showed that the ES persisted in the mammary glands of the same cow for at least 8 months and that it was transmitted to other cows of the same farm. These results indicated that staphylococcal infections of the bovine mammary glands represent a significant reservoir of ES.
- 北海道大学の論文
- 1980-10-06
著者
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加藤 英一
北海道大学獣医学部獣医公衆衛生学教室
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加藤 英一
鳥取大学農学部獣医公衆衛生学教室
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Kato E
Department Of Veterinary Public Health Faculty Of Agriculture Tottori University
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Kato E
Department Of Veterinary Public Health Faculty Of Agriculture Tottoriuniversiy
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Kato Eiichi
Department Of Internal Medicine School Of Medicine Keio University
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Kato Eiichi
Department Of Public Health Faculty Of Veterinary Medicine Hokkaido University:(present Address) Dep
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Kato Eiichi
Department Of Public Health Faculty Of Veterinary Medicine Hokkaido University:(present Address) Dep
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Kato Eiichi
Laboratory Of Veterinary Hygiene And Microbiology Faculty Of Veterinary Medicine Hokkaido University
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KUME Tsuneo
Department of Public Health Faculty of Veterinary Medicine Hokkaido University
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Kume Tsuneo
Department Of Public Health Faculty Of Veterinary Medicine Hokkaido University:hokkaido Branch Labor
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