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Abstract

Staphylococcus aureus produces capsular polysaccharides (CPs) both in vivo and under defined culture conditions being serotypes 5 and 8 the most prevalent. S. aureus isolates that fail to produce CP5 or CP8 are defined as non-typeable (NT). Loss of capsule expression, however, may lead to S. aureus ...

Author(s)
Ambroggio, M. B.; Perrig, M. S.; Camussone, C.; Pujato, N.; Bertón, A.; Gianneechini, E.; Alvarez, S.; Marcipar, I. S.; Calvinho, L. F.; Barbagelata, M. S.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Journal of Applied Genetics, 2018, 59, 3, pp 357-363
Abstract

Background: Bovine Viral Diarrhea Virus (BVDV) is the viral agent causing the most important economic losses in livestock throughout the world. Infection of fetuses before their immunological maturity causes the birth of animals persistently infected with BVDV (PI), which are the main source of...

Author(s)
Salgado, R.; Hidalgo-Hermoso, E.; Pizarro-Lucero, J.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Veterinary Research, 2018, 14, 37, pp (1 February 2018)
AbstractFull Text

The aim of the study was to determine the seroprevalence of neosporosis in cattle in a livestock fair in the Region of La Araucanía, Chile. Blood samples were collected in 437 cows and heifers belonging to nearby farms. Serum samples were analyzed by the indirect ELISA technique to detect...

Author(s)
Tuemmers, C.; Valenzuela, G.; Nuñez, C.; Cruz, R. de la; Meyer, J.; Andaur, M.; Leyan, P.; Mora, C.
Publisher
Universidad Nacional Mayor de San Marcos, Lima, Peru
Citation
Revista de Investigaciones Veterinarias del Perú (RIVEP), 2017, 28, 3, pp 629-635
Abstract

This study aimed to estimate the distributions of the within-herd true prevalence (TP) and the annual clinical incidence proportion (CIp) of Mycobacterium avium subsp. paratuberculosis (MAP) infection in dairy cattle herds in Chile. Forty two commercial herds with antecedents of MAP infection were...

Author(s)
Verdugo, C.; Valdes, M. F.; Salgado, M.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2018, 154, pp 113-118
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
AbstractFull Text

Author(s)
Salgado, M.
Publisher
International Association for Paratuberculosis, Riviera Maya, Mexico
Citation
14th International Colloquium on Paratuberculosis, Riviera Maya, México, 4-8 June 2018. Abstracts, 2018, pp 171-175
Abstract

Conjugated linoleic acids (CLAs) are fatty acids found in bovine milk which possess benefits for human health. This study aimed to compare fatty acid profiles, particularly CLA, of milk from grazing cows from south Chile receiving varying levels of concentrate. The study was conducted during spring ...

Author(s)
Marín, M. P.; Meléndez, P. G.; Aranda, P.; Ríos, C.
Publisher
Taylor & Francis, Abingdon, UK
Citation
Journal of Applied Animal Research, 2018, 46, 1, pp 150-154
Abstract

The cumulative effects of daily herbage allowance (DHA) restriction on pasture characteristics and the sustainability of pasture-based dairy systems were evaluated. Sixty-four dairy cows were randomly assigned to one of two grazing treatments (20 and 30 kg DM cow-1 day-1). Milk yield and pre- and...

Author(s)
Merino, V.; Balocchi, O.; Pulido, R.
Publisher
Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile
Citation
Ciencia e Investigación Agraria, 2018, 45, 1, pp 21-34
Abstract

Currently, the Chilean authority has implemented a National Eradication Program for bovine tuberculosis (bTB), aimed at controlling and eradicating the disease in Chile. The area under study has a low within-herd prevalence, has a relatively low number of infected herds, and is one of the major...

Author(s)
Raffo, E.; Steuer, P.; Monti, G.; Salgado, M.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2017, 49, 4, pp 771-775
AbstractFull Text

The objective of this work was to quantify the country's NH3 emissions from livestock production. This calculation was based on the mass flow of total ammoniacal nitrogen (TAN). The analysis was performed for all 15 geographical regions in Chile. The definition of livestock subcategories was based...

Author(s)
Muñoz, E.; Navia, R.; Zaror, C.; Alfaro, M.
Publisher
Chilean Society of Soil Science, Temuco, Chile
Citation
Journal of Soil Science and Plant Nutrition, 2016, 16, 1, pp 60-75

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