著者

越智 勇一 鹿江 雅光 尾形 学

出版者

社団法人日本獣医学会

雑誌

日本獸醫學雜誌(The Japanese Journal of Veterinary Science) (ISSN:00215295)

巻号頁・発行日

vol.25, no.2, pp.57-65, 1963

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In the previous paper", the preserut authors reported on the classification of streptococciinto three groups, designated as Streptococcus, Lactococcus, and Enterococcus, according toheat and 40% bite resistances.The [, z, ctococcus group ha.s hitI?erto beerr co.mnmon]?)z clz, ssified itz accordance witta claeirb1OlOgi.Cll and Slll)I0[0giCll pI0pC1t1CS. These CIlSS1fiClti-O)IS, no?ever, XVCFC [iII1ltCd 0111} 10certairu speeific strains, and, for xxluich reasoun, they seldom coirreidecl with the recordeddescriptions of the past. In view of the existence of many kinds of strains, which areOf thC unter?eCliate OT uncIassi.fieC1 tyoe, It ?3/ be reasoic-ably S810- tIr.at these classificationsIlave IICVCI been aOec?.uate 2LYld satnsfactory.The purpose of the present word< is, therefore, to establish a mel;hod for the eJassifica-tion arrd characterizatiotr of the Laetoc?occus group i?tresjcect to its habitat and patluogeni-city in rtature.A total Of 902 St)"1IlS Of. faculta, tuve ana, erobuc Gra?-nosutvve catalase I1CQlt1VC. 9lS I0I=9r "- ).i /7rnation fro? gltueose 11(llhKltlVC) heat 1CSU-St1TlCU ]1C31tiVl-5 b1lC resu>Lance POSlt1VC) 3Y1A paured01? chainect COCCI 7X7C:.IC studued. Tl4S SL1?2111S ?CIC msolated fI0II1 the 1lddCfS 0 cattle thel! - ?, .-" ?>rumen of cattle and goats, the intestines of men, cattle, horscs, pigs, goats, rabbits, ferrets, rats, mice, tigers, panthers, blaclc panthers, cheetah, and chickens, from the mouths ofcattle, horses, pigs, dogs, rabbits, ferrets, hamsters, rats, from the vagina of cattle and rats, and frorrn dairy products. Of these 952 strains, 30 were stoclc cultures, while the other 922strains were those freshly isolated from various sources.T he results obtainxed are sunamarmzed as follows :l) The Lactococcus group was classified into six types, depending on their ability to splitsodium lxippurate, g1OXV at 45C and IOC, and ferment lactose and rafhr, ose. Thesetypes were A., A.., B., 131., B..1, and C.2) Strains of the type AT wxez"e found to be distributed in Late udders and vagina of cattle, and they were closely related to the mastitis of cattle. 3trains of the type Al. wereisolated from tlxe udders of cattle and dairy products. Strairns of the type Bz, vere con-stantI3z found in the rumen and intestinal tracts of rurr?inants. Strainas of the type BIDwere isolated mostly from the ir-testinal tracts of horses auad pigs, while strains of thetype Blll were cultured from [1:te intestinal tracts of men and anirna).s. Tda, ny of thetype C strains were isolated from the mouths of anirrtalc.3) Typung Of tlle LlCt0COCCLS gI011P bY n?eans Of P1CC1P1t3tiO11 test lN2LS I1Ot SIICC()ll?SfL1-

著者

鹿江 雅光 井土 裕児 花見 正幸 戸田 光敬 原 行雄

出版者

社団法人日本獣医学会

雑誌

日本獸醫學雜誌 (ISSN:00215295)

巻号頁・発行日

vol.41, no.1, pp.73-76, 1979-02-25

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乳用雄若令肥育牛64頭について検討したところ, 肝膿瘍が18頭(28%)に, 第一胃等の損傷が33頭(51.8%)に認められ, また, 前者の13頭に第一胃等の損傷が観察された. 肝膿瘍牛ではA/Gの減少がみられた. 細菌学的には, 肝膿瘍全例からF. necrophorum phase Aに属する菌が分離され, その菌数は平均10^<6.2>/gであった. 本菌のVPI 2891株を抗原とした寒天ゲル内沈降反応では肝膿瘍牛血清のうち14例が陽性を示し, また, 凝集反応では本血清の多くが1:64から1:1024の凝集価を示した.