Browsing by Author "1cd4e1aa-5c97-4a4e-ad7f-dc17de4286c5"
Now showing items 1-20 of 20
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Campino, Carmen; Carvajal, Cristian A.; Cornejo, Javiera; San Martín Núñez, Betty; Olivieri, Oliviero; Guidi, Giancesare; Faccini, Giovanni; Pasini, Francesco; Sateler, Javiera; Baudrand, Rene; Mosso, Lorena; Owen, Gareth I.; Kalergis, Alexis M.; Padilla, Oslando; Fardella, Patricia (2010)Cortisol availability is modulated by several enzymes: 11β-HSD2, which transforms cortisol (F) to cortisone (E) and 11β-HSD1 which predominantly converts inactive E to active F. Additionally, the A-ring reductases (5α- and ...
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Cornejo, Javiera; Cabezón, Camila; San Martín Núñez, Betty; Lapierre Acevedo, Lisette (International Association for Food Protection, 2018)© 2018 International Association for Food Protection. All rights reserved. Successful treatment of diseases that sicken food-producing animals requires the use of antimicrobials. However, these drugs could result in serious ...
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San Martín Núñez, Betty; Lapierre Acevedo, Lisette; Cornejo Kelly, Javiera; Bucarey, Sergio (2008)The aim of this study was to characterize the antibiotic resistance profiles, the integron-associated resistance determinants, and the potential ability of transferring these determinants by conjugation in Salmonella ...
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Lapierre Acevedo, Lisette; Gatica, María A.; Riquelme Retamal, Víctor; Vergara Escobar, Constanza; Yáñez López, José; San Martín Núñez, Betty; Sáenz Iturriaga, Leonardo Enrique; Vidal, Maricel; Martínez, María Cristina; Araya, Pamela; Flores, Roberto; Duery, Oscar; Vidal, Roberto (Mary Ann Liebert, 2016)The aim of this research was to statistically analyze the association between antimicrobial susceptibility/resistance to erythromycine, gentamicin, ciprofloxacin, and tetracycline and 11 virulence genes associated with ...
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Cornejo Kelly, Javiera; Pokrant, Ekaterina; Carvallo, Carolina; Maddaleno Toledo, Aldo; San Martín Núñez, Betty (Taylor & Francis, 2018)Tylosin is one of the most commonly used antimicrobial drugs from the macrolide family and in broiler chickens it is used specially for the treatment of infectious pathologies. The poultry industry produces several ...
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Yevenes, Karina; Pokrant, Ekaterina; Trincado, Lina; Lapierre Acevedo, Lisette; Galarce, Nicolás; San Martín Núñez, Betty; Maddaleno, Aldo; Hidalgo Olate, Héctor; Cornejo Kelly, Javiera (MDPI, 2021)Simple Summary: After administration of antimicrobials, poultry excrete significant concentrations of antimicrobials through their droppings, which accumulate in the litter where poultry are housed. Poultry litter, which ...
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Cornejo Kelly, Javiera; Yevenes, Karina; Avello Lefno, Constanza; Pokrant Huerta, Ekaterina; Maddaleno Toledo, Aldo; San Martín Núñez, Betty; Lapierre Acevedo, Lisette (MDPI, 2018-06)Tetracyclines are important antimicrobial drugs for poultry farming that are actively excreted via feces and urine. Droppings are one of the main components in broiler bedding, which is commonly used as an organic fertilizer. ...
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Pokrant, Ekaterina; Medina, Francisca; Maddaleno Toledo, Aldo; San Martín Núñez, Betty; Cornejo, Javiera (Public Library of Science, 2018)© 2018 Pokrant et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the ...
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Forno, N.; Chacon, O.; Muñoz, M.; Pacha, P.; Iragüen Contreras, Daniela; Muñoz, R.; San Martín Núñez, Betty (Wiley, 2018-06)
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Lapierre Acevedo, Lisette; Toro Ugalde, Cecilia; San Martín Núñez, Betty (Universidad de Chile, 2010)La resistencia en las cepas bacterianas aparece junto con el uso de los antimicrobianos. Hoy en día el uso masivo de estos fármacos en el hombre, los animales y la agricultura ha transformado este fenómeno en un problema ...
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Borie Polanco, Consuelo; Agüero Eguiluz, Hernán; Morales, María Angélica; Kruze, Juan; León, Bernardita; San Martín Núñez, Betty (Universidad de Chile, 2004)El posparto temprano es un periodo de gran importancia, debido a su vasta influencia sobre la eficiencia reproductiva y, con ello, sobre la producción de leche y carne. Los trastornos reproductivos que ocurren durante ...
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San Martín Núñez, Betty; Bravo, V.; Borie Polanco, Consuelo (2005)Antimicrobial resistance is an important worldwide public health problem having a negative impact on the struggle against bacterial diseases. The WHO indicates that there exists evidence that livestock are a reservoir for ...
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Pokrant, Ekaterina; Yévenes, Karina; Trincado, Lina; Terraza, Gigliola; Galarce, Nicolás; Aldo, Maddaleno; San Martín Núñez, Betty; Lapierre Acevedo, Lisette; Cornejo Kelly, Javiera (MDPI, 2021)Oxytetracycline (OTC) is widely used in broiler chickens. During and after treatment a fraction of OTC is excreted in its original form and as its epimer, 4-epi-OTC in droppings. To address the transfer of OTC into the ...
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Lapierre Acevedo, Lisette; Cornejo, Javiera; Borie Polanco, Consuelo; Toro, Cecilia; San Martín Núñez, Betty (MARY ANN LIEBERT INC, 2008-12)The aim of this research was to identify the presence of integrons among Escherichia coli strains isolated from poultry and swine and to characterize the topological association of these integrons with resistance genes and ...
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Pizarro Aránguiz, Nicolás; García Mendoza, Diego; Muñoz Obregón, Rubén; San Martín Núñez, Betty; Morales, Rodrigo (Pontificia Universidad Catolica de Chile, Facultad de Agronomia e Ingenieria Forestal, 2018)According to a One Health perspective, the importance of persistent organic pollutants (POPs) must be assessed because of their impact on the environment, food chain and human health. However, information on these toxic ...
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Pokrant Huerta, Ekaterina Valerievna; Maddaleno Toledo, Aldo; Araya Ascuy, Carolina Andrea; San Martín Núñez, Betty; Cornejo, Javiera (Soc Brasileira Química, 2018)For the detection of tetraciclines in feathers, muscle and liver, an internal protocol was designed for in-house validation of two methods, through high performance liquid chromatography with tandem mass spectrometric ...
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Borie Polanco, Consuelo; Jara Bertín, Mauricio; Sánchez Chong, María Luisa; San Martín Núñez, Betty; Arellano, C.; Martínez, José Luis; Prado Jiménez, Valeria (1997)The ocurrence of Yersinia enterocolitica in tonsils and rectal swabs from 100 healthy pigs and the rectal swabs of 100 healthy cattle slaughtered at Santiago-Chile were analysed. Yersinia enterocolitica was isolated from ...
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San Martín Núñez, Betty; Fresno, Marcela; Cornejo, Javiera; Godoy, Marcos; Ibarra, Rolando; Vidal, Roberto; Araneda, Marcelo; Anadón, Arturo; Lapierre Acevedo, Lisette (Public Library of Science, 2019)Salmonid Rickettsial Septicemia (SRS) is the disease of greatest economic importance in the Chilean salmon farming industry, causing high mortality in fish during the final stage of their productive cycle at sea. Since ...
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Maddaleno, Aldo; Maturana, Matías; Pokrant, Ekaterina; San Martín, Betty; Cornejo, Javiera (MDPI, 2021)Antimicrobials premixes are the presentation of choice to administer drugs simultaneously to groups of animals in intensive husbandry systems that require treatment for pathologies of bacterial origin. Among the premixes ...
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San Martín Núñez, Betty; Muñoz Obregón, Rubén; Cornejo Kelly, Javiera; Martínez, M. A.; Araya Jordán, C.; Maddaleno Toledo, Aldo; Anadón, A. (Wiley, 2016)Ribavirin is an antiviral used in human medicine, but it has not been authorized for use in veterinary medicine although it is effective against infectious salmon anemia (ISA) virus, between others. In this study, we present ...