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VetMed Resource

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Abstract

Background: The south of Chile constitutes the main cattle milk producing area of the country. Regarding leptospirosis control in Chile, there is neither an official program nor an epidemiological characterization of smallholder dairy farms. This study was carried out to determine Leptospira...

Author(s)
Salgado, M.; Otto, B.; Sandoval, E.; Reinhardt, G.; Boqvist, S.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Veterinary Research, 2014, 10, 126, pp (6 June 2014)
Abstract

The bovine abortion syndrome is a multicausal problem, the objectives of this study were to provide information on the magnitude of the seroprevalence of four abortigenic agents and their association with some management practices the farms. A cross-sectional study was performed using 40 farms and...

Author(s)
Gädicke, P.; Junod, T.; López-Martin, J.; Ortega, R.; Monti, G.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2016, 48, 1, pp 19-27
Abstract

Background: Although Leptospira isolation has been reported in Chilean cattle, only serological evidence of serovar Hardjo bovis infection has been routinely reported. The present report provides characterization of the pathological presentation and etiology of a clinical case of leptospirosis in a ...

Author(s)
Salgado, M.; Otto, B.; Moroni, M.; Sandoval, E.; Reinhardt, G.; Boqvist, S.; Encina, C.; Muñoz-Zanzi, C.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Veterinary Research, 2015, 11, 66, pp (18 March 2015)
Abstract

The objectives of this study were (1) to estimate the frequency and dynamics of bovine abortion syndrome; (2) to identify groups of cows affected by abortion; and (3) to assess the characteristics of herd management and lactation associated with abortion rates. The study was performed using...

Author(s)
Gädicke, P.; Monti, G.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2013, 110, 2, pp 183-189
Abstract

Of 361 clinically healthy cattle slaughtered at Valdivia 162 (45%) were positive for L. interrogans antibodies, mainly serovars hardjo (110), pomona (19) and tarassovi (14), and 50 (14%) yielded L. interrogans from kidney tissue - serovar hardjo bovis A from 36, hardjo bovis B from 3 and kennewicki ...

Author(s)
Zamora, J.; Riedemann, S.; Montecinos, M. I.; Cabezas, X.
Citation
Archivos de Medicina Veterinaria, 1991, 23, 2, pp 131-135
Abstract

Author(s)
Zamora, J.; Riedemann, S.; Frías, M.
Citation
Archivos de Medicina Veterinaria, Chile, 1988, 20, 2, pp 136-140
Abstract

Of 3088 cattle with symptoms of leptospirosis in Regions VII, VIII, IX and X of chile, 2585 (83.7%) had serological titres of ≤1:200, including 1583 (61.2%) at ≤1:400. Serovars of the serogroups Pomona and Sejroe dominated, but while those of Icterohaemorrhagiae, Canicola, Tarassovi and Ballum were ...

Author(s)
Riedemann, S.; Leal, H.; Zamora, J.
Citation
Archivos de Medicina Veterinaria, Chile, 1986, 18, 2, pp 129-133
Abstract

Severe outbreaks of leptospiral abortion in dairy cows in southern Chile in 1977 affected about 20% of the animals on individual farms. On one farm 40.5% of 200 pregnant cows aborted, and L. hardjo antibodies were demonstrated. Many other outbreaks were due to L. pomona. Leptospira was implicated...

Author(s)
Zamora, J.; Riedemann, S.
Citation
Archivos de Medicina Veterinaria, Chile, 1978, 10, 1, pp 67-68
Abstract

Serological tests showed that 13 abortions in a herd of 72 cows could be attributed to infection with Leptospira, particularly L. pomona. One animal appeared to have been infected with L. medanensis.

Author(s)
Zamora, J.; Riedemann, S.
Citation
Fortschritte der Veterinarmedizin, 1978, No. 28, pp 268-272
Abstract

Leptospiral agglutinins were demonstrated in 59% of 1934 apparently healthy cattle, particularly to L. sejroe (15.3% of reactors) and L. medanensis (14.9%), 72% of 1533 cattle suspected of leptospirosis, particularly to L. pomona (21.3%), L. medanensis (20.3%) and L. sejroe (19.8%), 24.8% of 165...

Author(s)
Zamora, J.; Kruze, J.; Riedemann, S.
Citation
Zentralblatt fur Veterinarmedizin, 1975, 22B, 7, pp 544-555

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