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Japanese Journal of Veterinary Research >
Volume 16, Number 4 >


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著者: YANAGAWA, Ryo 著作を一覧する
SHINAGAWA, Morikazu 著作を一覧する
NEROME, Kuniaki 著作を一覧する
発行日: 1968年12月
出版者: The Graduate School of Veterinary Medicine
誌名: Japanese Journal of Veterinary Research
巻: 16
号: 4
開始ページ: 121
終了ページ: 127
抄録: In order to isolate temperate phages, ultraviolet irradiation was applied to the total 87 strains of C. renale. These strains included those of 3 types of C. renale, and were isolated mainly in Hokkaido except for 4,of which were received from Scotland. Phages were isolated from 29 of the 46 (63%) strains of type I. No phages were obtained from 31 strains of type II or 10 strains of type III. Of the 29 phages isolated from type I strains, 28 were from the strains isolated in Hokkaido and 1 was from a strain isolated in Scotland. The former phage group, all had a similar host range and lysed strains of C. renale isolated in Hokkaido while the latter only lysed another strain isolated in Scotland. No common host range was found between the two phage groups. This suggests that phage-typing is applicable for C. renale and that different phage-types exist in Japan and Scotland. It was found on a farm, in Hokkaido, that the urine and urinary tracts of many apparently healthy cattle were parasitized by C. renale of the same phage-type. Pyelonephritis occurred only in a small percentage of these cattle. Thus, based on the knowledge obtained from the phage-typing of C. renale, we concluded that the factors influencing the establishment of the disease, were largely predisposing factors of the host animal and were not the type of C. renale.
資料タイプ: bulletin
出現コレクション:Volume 16, Number 4


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