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PubMed1975

Leptospirosis in wildlife in Brazil: isolation of a new serotype in the pyrogenes group.

A new leptospiral serotype in the serogroup Pyrogenes is described. The strain was isolated from one gray "four-eyed" opossum (Philander opossum). It is proposed that the serotype be designated guaratuba, strain An-7705. The isolations of serotypes ballum from the South American field mouse (Akodon arviculoides), szwajizak and icterohaemorrhagiae from the North American opossum (Didelphis marsupialis), and grippotyphosa from many other wild animal species as well as domesticated animals are also described.

Animals↗
PubMed1975

Leptospirosis in selected wild mammals of the Florida panhandle and southwestern Georgia.

A group of 144 wild mammals, including white-tailed deer, cottontail rabbits, fox squirrels, gray squirrels, raccoons, opossums, a bobcat, and various small rodents was examined for cultural or serologic evidence of leptospiral infection. Leptospires were isolated from 1 of 25 rabbits, 1 of 27 fox squirrels, 1 of 26 gray squirrels, 4 of 18 mice and rats, 8 of 21 raccoons, 7 of 17 opossums, and a bobcat. Isolations were not made from 6 deer examined. Serotypes isolated were Leptospira interrogans, serotype grippotyphosa and L interrogans, serotype ballum. New host-serotype relationships were noticed in the following instances: bobcat: grippotyphosa, and gray squirrel: ballum. These studies further confirm the occurrence of grippotyphosa in the fox squirrel. Serologic response in these animals did not necessarily correlate with isolations, although some relationship was noticed in raccoons and opossums.

Animals↗
PubMed2001

Seroprevalence of bovine leptospirosis in Garanhuns Municipal District, Pernambuco State, Brazil.

The prevalence of Leptospira interrogans serovars in dairy cattle was determined by analyzing 464 serum samples from cows on 15 properties in Garanhuns municipal district, Pernambuco State, Brazil. A microscopic seroagglutination test including 12 serovars of Leptospira interrogans as antigens was used. Samples with titres 100 were considered positive. Two hundred and twenty-one (47.63%) of the samples were positive to one or more serovars. The prevalence of the serovars was hardjo (21.98%), bratislava (15.73%), castellonis (11.64%), tarassovi (10.56%), pyrogenes (1.72%), icterohaemorrhagiae (1.08%), pomona (0.86%), wolffi (0.86%), grippotyphosa (0.86%), djasiman (0.43%), canicola (0.21 %), and copenhageni (0.21%).

Agglutination Tests↗