1973
DOI: 10.1080/00480169.1973.34111
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The isolation ofleptospiraserotypescopenhageniandballumfrom healthy calves

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Cited by 17 publications
(6 citation statements)
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“…The first NZ isolation of Ballum was performed in 1967 from two sick dairy farmworkers (Till (1968) in Ref. [ 11 ]), and from the urine of healthy calves six years later [ 50 ]. In another study, Ballum was included in the MAT panel, and all 26 possum sera tested were negative for this serovar [ 51 ].…”
Section: First Descriptions Of Ballummentioning
confidence: 99%
See 1 more Smart Citation
“…The first NZ isolation of Ballum was performed in 1967 from two sick dairy farmworkers (Till (1968) in Ref. [ 11 ]), and from the urine of healthy calves six years later [ 50 ]. In another study, Ballum was included in the MAT panel, and all 26 possum sera tested were negative for this serovar [ 51 ].…”
Section: First Descriptions Of Ballummentioning
confidence: 99%
“…Cattle appear to be a competent host of Ballum, and seem to be more exposed to Ballum in recent serosurveys compared to older ones. Ballum was first isolated in NZ from two healthy calves, during a study conducted on nine calf groups in the Hauraki Plains [ 50 ]. For the same study in asymptomatic calves, the 1972–1973 annual report of the Wallaceville Animal Research Centre mentioned the presence of anti-Ballum antibodies in 44% of them (18/25 and 4/25 in two of the nine groups) [ 137 ].…”
Section: Barriers For Ballum Spillovermentioning
confidence: 99%
“…Some animals remain serologically negative until after abortion or calving( 11)( 12) (71). Aborting CF negative cows should therefore be retested 3-4 weeks after calving unless the diagnosis has been confirmed bacteriologically.…”
Section: Brucellosis In Cattle (Brucella Abortus)mentioning
confidence: 99%
“…Pomona infections are widespread in pigs and occur more sporadically in caUle(8) (74). Copenhageni(l9) (71), ballum (71) and balcanica(4S) occur sporadically in cattle, Copenhageni is maintained in Norwegian rats (Rattus norvegicus)(lO) (25). Ballum is maintained in the house mouse (Mus musculas) , ship rat (Rattus rattus) and hedgehog (Erinaceus europaeus)(2S), and balcanica in the possum (Trichosurus vulpecula)(2S) (47).…”
Section: Leptospirosismentioning
confidence: 99%
“…Serological surveys in dry stock showed that Leptospira seropositivity is common with estimates ranging from 44% to 50% for Hardjo-bovis and from 11% to 25% for Pomona in beef cattle, from 20% to 43% for Hardjo-bovis and from 3% to 14% for Pomona in sheep and from 25% to 26% for Hardjo-bovis and 8-11% for Pomona in deer (Ayanegui-Alcerreca et al, 2010;Dreyfus et al, 2011;Subharat et al, 2012). Incidental infections with Ballum and L. interrogans serovar Copenhageni (Copenhageni) have been observed in cattle (Ris et al, 1973), and serological evidence of Ballum, Copenhageni and L. borgpetersenii serovar Tarassovi (Tarassovi) has been reported in farmed deer (Flint et al, 1988;Wilson et al, 1998;Ayanegui-Alcerreca et al, 2010).…”
Section: Introductionmentioning
confidence: 99%