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Abstract

Diagnosis of Mycobacterium avium subsp. paratuberculosis infection by liquid culture is sensitive, faster than conventional solid culture and automated. However, a disadvantage of these culture systems is the potential for high frequency of culture contamination. Contaminant bacteria were...

Author(s)
Steuer, P.; Waard, J. de; Collins, M. T.; Troncoso, E. P.; Martínez, O. A.; Tejeda, C.; Salgado, M. A.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2015, 47, 1, pp 97-100
Abstract

Human impact such as forest fragmentation and degradation may have strong effects on native and exotic plant communities. In addition, these human-caused disturbances occur mostly in lowlands producing greater fragmentation and degradation there than in higher elevations. Plant invasion should be...

Author(s)
Rojas, I.; Becerra, P.; Gálvez, N.; Laker, J.; Bonacic, C.; Hester, A.
Publisher
Ediciones Universidad de Concepción, Chillán, Chile
Citation
Gayana Botanica, 2011, 68, 2, pp 163-175
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

Pasture is a major component of the diet for dairy cows in Chile, and grain is often used as a supplement to increase milk production. The quantity of grain offered is affected by price and return to the farmer, but 6 kg/day is typical of many situations. However the benefits of feeding grain more...

Author(s)
Pulido, R. G.; Muñoz, R.; Lemarie, P.; Wittwer, F.; Orellana, P.; Waghorn, G. C.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Livestock Science, 2009, 125, 2/3, pp 109-114
Abstract

Knowledge of species and genotypes on Cryptosporidium involved in human transmission is fundamental in studying the epidemiology of cryptosporidiosis. This is the first study in molecular epidemiology of cryptosporidiosis that has been made in Chile. Cryptosporidium parvum species and genotypes...

Author(s)
Neira-Otero, P.; Muñoz-Saldías, N.; Sanchez-Moreno, M.; Rosales-Lombardo, M. J.
Publisher
Springer-Verlag GmbH, Heidelberg, Germany
Citation
Parasitology Research, 2005, 97, 1, pp 63-67
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

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

Faecal samples from 136 slaughtered cattle were examined for enterohaemorrhagic E. coli (EHEC) by DNA hybridization with biotin-labelled DNA probes specific for the EHEC virulence plasmid, Shiga-like toxin I (SLT I), Shiga-like toxin II (SLT II) and eae gene. 48 samples (34.5%) were found positive...

Author(s)
Borie, C. F.; Monreal, Z.; Martinez, J.; Arellano, C.; Prado, V.
Citation
Journal of Veterinary Medicine. Series B, 1997, 44, 5, pp 273-279
Abstract

The presence of both enterotoxic and cytolethal distending toxin (CLDT) factors were established in 13 strains of C. jejuni and 8 of C. coli isolated from bovine faeces. The ligated rat intestinal loop test and HeLa cell cultures, respectively, were used. 7.7% of culture filtrates obtained from C....

Author(s)
Tresierra, A.; Fernández, H.; Reinhardt, G.; Tadich, N.; Cabezas, X.; Zamora, J.
Citation
Archivos de Medicina Veterinaria, 1995, 27, 1, pp 53-59
Abstract

Five species of Brontaea occur in the New World. B. humilis has been introduced from Europe and is known from a few localities in eastern and Pacific coast Canada and USA. B. normata is an endemic Neotropical species. The other species, B. debilis, B. quadristigma (= B. cilifera syn. nov.) and B....

Author(s)
Carvalho, C. J. B. de; Pont, A. C.
Citation
Revista Brasileira de Zoologia, 1997, 14, 3, pp 723-749

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