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Japanese Journal of Veterinary Research >
Volume 28, Number 3 >

ENTEROTOXIGENICITY OF BOVINE STAPHYLOCOCCI ISOLATED FROM CALIFORNIA MASTITIS TEST-POSITIVE MILK IN JAPAN

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この文献には次のDOIがあります:http://doi.org/10.14943/jjvr.28.3.75

タイトル: ENTEROTOXIGENICITY OF BOVINE STAPHYLOCOCCI ISOLATED FROM CALIFORNIA MASTITIS TEST-POSITIVE MILK IN JAPAN
著者: KATO, Eiichi 著作を一覧する
KUME, Tsuneo 著作を一覧する
発行日: 1980年10月 6日
出版者: The Graduate School of Veterinary Medicine
誌名: Japanese Journal of Veterinary Research
巻: 28
号: 3
開始ページ: 75
終了ページ: 85
抄録: 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.
資料タイプ: bulletin
URI: http://hdl.handle.net/2115/2199
出現コレクション:Volume 28, Number 3

提供者: 獣医学部図書室

 

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