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Abstract

The fluorescence polarization assay (FPA) was evaluated for the serological diagnosis of bovine brucellosis. 118 sera from cattle which were culture positive for Brucella abortus, 1751 sera from cattle from premises containing cattle infected with B. abortus, 1222 sera from cattle vaccinated with ...

Author(s)
Nielsen, K.; Gall, D.; Lin, M.; Massangill, C.; Samartino, L.; Perez, B.; Coats, M.; Hennager, S.; Dajer, A.; Nicoletti, P.; Thomas, F.
Citation
Veterinary Immunology and Immunopathology, 1998, 66, 3/4, pp 321-329
Abstract

Bovine viral diarrhoea/Mucosal disease (BVD/MD) is a worldwide viral disease with a great impact in bovine reproduction and production. In Chile, the disease has been reported with over 60% prevalence and it demands adequate diagnostic methods. Currently the official serological diagnostic test in...

Author(s)
Reinhardt, G.; Carrasco, L.; Tadich, N.; Riedemann, S.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2001, 33, 2, pp 173-183
Abstract

To improve the isolation rate of Mycobacterium avium subsp. paratuberculosis (Map) from bovine faeces, a new bacteriological procedure for decontamination and cultivation of faecal samples was evaluated. 20 samples were collected from asymptomatic animals in 14 infected dairy herds in Southern...

Author(s)
Soto, J. P.; Kruze, J.; Leiva, S.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2002, 34, 2, pp 275-282
Abstract

This paper describes an ELISA test using blood serum samples to detect dairy cattle persistently infected with BVDV in 9 dairy farms in the 10th region of Chile. It was shown that 0.3% of the serum samples were positive to the ELISA test and 33.3% of the dairy herds had persistently infected...

Author(s)
Reinhardt, G.; Ochoa, C. A.; Tadich, N.; Riedemann, S.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2003, 35, 1, pp 89-93
Abstract

Our objective in this cross-sectional study was to determine the seroprevalence in 1996 of commercial dairy herds in central Chile positive to bovine viral diarrhea (BVD) virus, by the detection of antibodies in bulk-tank milk samples. Samples were obtained from 501 dairy farms (∼50 000 cows) from...

Author(s)
Meléndez, P.; Donovan, A.
Publisher
Elsevier Science B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2003, 60, 3, pp 237-241
Abstract

In Chile, Mycobacterium avium subsp. paratuberculosis (Map) was isolated on several occasions and clinical cases were reported. Nevertheless, diagnostic tests were not yet validated. The objective of the study was to validate a commercial ELISA to detect Map shedding dairy cows in management...

Author(s)
Schaik, G. van; Haro, F.; Mella, A.; Kruze, J.
Publisher
Society for Veterinary Epidemiology and Preventive Medicine, Roslin, UK
Citation
Society for Veterinary Epidemiology and Preventive Medicine. Proceedings of a meeting held at Exeter, UK, 29-31 March 2006, 2006, pp 141-151
Abstract

Author(s)
Rivera, A.; Lopetegui, P.; Quintard, S.; Soto, J.; Saldias, M.; Styles, J.; Muñoz, R.; Valverde, M.; Sepúlveda, R.; Gonzalez, X.; Andrade, S.; Villarroel, M.; Noli, C.; Axt, R.; Smith, J.
Publisher
S Karger AG, Basel, Switzerland
Citation
First International Conference of the OIE Reference Laboratories and Collaborating Centres, Florianopolis, Brazil, 3-5 December, 2006, 2007, pp 171-172
Abstract

In this study, 90 brain samples from cattle aged 30 months from abattoirs in the Metropolitan Region of Chile were analysed for prion proteins. Initially, 2 suspicious samples were obtained, which after a new assay were finally determined as negative, resulting in 100% of the samples being negative ...

Author(s)
Farías R., G.; Machuca N., A.; Padilla D., D.; Lecocq P., C.
Publisher
Veterinaria Organizacion S.L., Malaga, Spain
Citation
REDVET, 2007, 8, 3, pp 030712
Abstract

In Chile, Mycobacterium avium subsp. paratuberculosis (Map) has been isolated on several occasions and clinical cases have been reported. Nevertheless, diagnostic tests have not yet been validated for this agent in the Chilean setting. The objective of the study was to validate a commercial ELISA...

Author(s)
Schaik, G. van; Haro, F.; Mella, A.; Kruze, J.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2007, 79, 1, pp 59-69
Abstract

In the present study, the effects of IS900 polymerase chain reaction (PCR)-confirmed subclinical paratuberculosis on serum beta-carotene and retinol concentrations in dairy cattle were investigated. A total of 30 multiparous, clinically normal, paratuberculosis non-vaccinated Holstein dairy cows,...

Author(s)
Cİvelek, T.; Celİk, H. A.; Ozenc, E.; Avcİ, G.; Kav, K.; Cİngİ, C. C.; Yİlmaz, O.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2009, 41, 3, pp 281-284

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