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Abstract

The current study describes productive, reproductive and metabolic performances reached by beef cattle under organic and conventional management. The experiment was carried out in two farms in La Araucanía Region, Chile. Both farms provided six cows and one bull for copulation. The feeding offered...

Author(s)
Contreras, M. J.; Felmer, R.; Letelier, C.
Publisher
Facultad de Ciencias Veterinarias, Universidad del Zulia, Maracaibo, Venezuela
Citation
Revista Cientifica, Facultad de Ciencias Veterinarias, Universidad del Zulia, 2018, 28, 5, pp 375-385
Abstract

Selection of breeding stock is a crucial step in any breeding program, therefore the methodology for animal evaluation has evolved rapidly and in recent decades has incorporated the use of molecular markers. Several multinational companies have made available to producers commercial tests based on...

Author(s)
Piñeira, J.; Río, J.; Floody, H.; Felmer, R.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2012, 44, 1, pp 43-52
AbstractFull Text

Author(s)
Felmer, R.; Arias, M. E.; Muñoz, G.; Rio, J.
Publisher
World Buiatrics Association, Santiago, Chile
Citation
Proceedings of the XXVI World Buiatrics Congress, Santiago, Chile, 14-18 November 2010, 2010, pp unpaginated
Abstract

The study was conducted to determine the genetic diversity of 22 bovine viral diarrhoea virus (BVDV) strains isolated from infected cattle from Peru (n=15) and Chile (n=10). The phylogenetic analysis based on the 5′ UTR showed that all 25 strains belonged to genotype 1. A total of 23 strains could...

Author(s)
Stǻhl, K.; Benito, A.; Felmer, R.; Zuñiga, J.; Reinhardt, G.; Rivera, H.; Baule, C.; Moreno-López, J.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2009, 29, 1, pp 41-44
AbstractFull Text

The genetic variability observed in domesticated animal species is progressively disappearing due to breed replacement and introgressions aimed at improving productivity and quality. These actions have eroded important adaptation traits, such as disease resistance and tolerance to harsh...

Author(s)
Gabriela Pizarro, M.; Mujica, F.; Felmer, R.
Publisher
Facultad de Ciencias Agrarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Agro Sur, 2009, 37, 1, pp 60-83
Abstract

Chile is internationally recognized for its good zoo-sanitarian situation as the country is able to reach and maintain a status of officially free from the main diseases of the OIE list, including foot and mouth disease and classical swine fever. However, several infectious diseases are known to...

Author(s)
Felmer, R.; Zúñiga, J.; López, A.; Miranda, H.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2009, 41, 1, pp 17-26
Abstract

Genotypes of 278 cows were determined by restriction fragment length polymorphism analysis of amplified DNA. A 350 bp fragment of the κ-casein gene was amplified by the polymerase chain reaction. Two HinFI sites were found in the amplified fragment of allele A, 1 at position 134 and the other at...

Author(s)
Felmer, R.; Butendieck, N.
Citation
Archivos de Medicina Veterinaria, 1998, 30, 2, pp 145-150
Abstract

With the aim of achieve a better understanding of the epidemiology and distribution of bovine leukaemia virus (BLV) infection in Chile, we assessed the suitability of using DNA isolated from the leukocyte fraction of bulk milk samples to carry out PCR-RFLP and DNA sequence analysis. The env...

Author(s)
Felmer, R.; Muñoz, G.; Zúñiga, J.; Recabal, M.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2005, 108, 1/2, pp 39-47

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