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AbstractFull Text

Concordance analysis are used to compare diagnostic methods when applied to the same group of individuals (paired samples). This article analyses the case of two laboratory methods, whose results are expressed in form of dichotomous qualitative variable (positive/negative). In order to analyze the...

Author(s)
Zúñiga, R. D. M.
Publisher
Universidad de la Salle, Bogota, Colombia
Citation
Revista de Medicina Veterinaria, 2017, No.33, pp 93-101
Abstract

Paratuberculosis, an infectious disease of domestic and wild ruminants caused by Mycobacterium avium subsp. paratuberculosis (Map), is an economically important disease in dairy herds worldwide. In Chile the disease has been reported in domestic and wildlife animals. However, accurate and updated...

Author(s)
Kruze, J.; Monti, G.; Schulze, F.; Mella, A.; Leiva, S.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2013, 111, 3/4, pp 319-324
Abstract

Two tests are used on a regular basis to detect Mycobacterium avium subsp. paratuberculosis (Map): ELISA and fecal culture. Fecal culture is considered more sensitive and specific but is costly and requires 3-4 months for results. Pooling of fecal samples of individual animals may reduce the high...

Author(s)
Schaik, G. van; Pradenas F., M.; Mella N., A.; Kruze V., J.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2007, 82, 1/2, pp 159-165
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) 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

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

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