Analysis of the Productivity and Competitiveness of the Agricultural Sector in Ecuador
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The Unexpected Discovery of Brucella Abortus Buck 19 Vaccine in Goats From
1 The unexpected discovery of Brucella abortus Buck 19 vaccine in goats from 2 Ecuador underlines the importance of biosecurity measures 3 4 Jorge Ron-Román1,2,3,4, Dirk Berkvens2, Daniela Barzallo-Rivadeneira1, Alexandra 5 Angulo-Cruz1, Pablo González-Andrade1, Elizabeth Minda-Aluisa1, Washington 6 Benítez-Ortíz1,5, Jef Brandt2, Richar Rodríguez-Hidalgo1, Claude Saegerman3* 7 8 1 Instituto de Investigación en Salud Pública y Zoonosis, Universidad Central del 9 Ecuador, Quito Ecuador. 10 2 Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp - Belgium. 11 3 Research Unit of Epidemiology and Risk analysis applied to Veterinary Sciences 12 (UREAR-ULg), Fundamental and Applied Research for Animal and Health (FARAH) 13 Center, Faculty of Veterinary Medicine, University of Liege, Belgium. 14 4 Carrera de Ingeniería Agropecuaria, Departamento de Ciencias de la Vida y la 15 Agricultura, Universidad de las Fuerzas Armadas (ESPE), Sangolquí, Ecuador. 16 5 Facultad de Medicina Veterinaria y Zootecnia, Universidad Central del Ecuador, Quito, 17 Ecuador. 18 19 Keywords: Brucellosis; Goats; Ecuador; Vaccine; Biosecurity. 20 21 *Corresponding author: Research Unit in Epidemiology and Risk Analysis Applied to 22 Veterinary Sciences (UREAR-ULg), Fundamental and Applied Research for Animal and 23 Health (FARAH) Center, Faculty of Veterinary Medicine, University of Liège, B42, 24 Boulevard de Colonster 20, B-4000 Liège, Belgium; e-mail address: 25 [email protected]; Tel.: +32-4-366-45-79; Fax: +32-4-366-42-61. 26 27 Abstract 28 Very few, mostly old and only preliminary serological studies of brucellosis in goats exist 29 in Ecuador. In order to assess the current epidemiological situation, we performed a cross- 30 sectional serological study in the goat populations of Carchi (n=160 animals), Pichincha 31 (n=224 animals), and Loja provinces (n=2,024 animals). -
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The Unexpected Discovery of Brucella Abortus Buck 19 Vaccine in Goats from Ecuador Underlines the Importance of Biosecurity Measures
Trop Anim Health Prod DOI 10.1007/s11250-017-1229-4 REGULAR ARTICLES The unexpected discovery of Brucella abortus Buck 19 vaccine in goats from Ecuador underlines the importance of biosecurity measures Jorge Ron-Román1,2,3,4 & Dirk Berkvens2 & Daniela Barzallo-Rivadeneira 1 & Alexandra Angulo-Cruz1 & Pablo González-Andrade1 & Elizabeth Minda-Aluisa1 & Washington Benítez-Ortíz1,5 & Jef Brandt2 & Richar Rodríguez-Hidalgo1 & Claude Saegerman3 Received: 20 July 2016 /Accepted: 22 January 2017 # Springer Science+Business Media Dordrecht 2017 Abstract Very few, mostly old, and only preliminary serolog- serologically positive goat in Quito, that was positive for ical studies of brucellosis in goats exist in Ecuador. In order to Brucella abortus strain 19 (B19). Several hypotheses are assess the current epidemiological situation, we performed a forwarded concerning this unexpected result. The most likely cross-sectional serological study in the goat populations of hypothesis is the possible accidental use of a needle, previous- Carchi (n = 160 animals), Pichincha (n = 224 animals), and ly used for vaccination of cattle with the said vaccine, for the Loja provinces (n = 2024 animals). Only two positive serolog- administration of drug treatment to the goat. This hypothesis ical results (RB negative and SAT-EDTA ≥400 IU/ml) were underlines the necessity of biosecurity measures to prevent obtained in lactating goats from the same farm in Quito this type of accidents. (Pichincha province). Additionally, milk was sampled from 220 animals in Pichincha province. The present study indi- Keywords Brucellosis . Goats . Ecuador . Vaccine . cates a low apparent prevalence in Pichincha province and Biosecurity absence in Carchi and Loja provinces. -
Potato Landraces: Description and Dynamics in Three Areas of Ecuador
Potato landraces: Description and dynamics in three areas of Ecuador Alvaro Ricardo Monteros Altamirano i Thesis committee Thesis supervisor Prof. dr. R.G.F. Visser Professor of Plant Breeding Wageningen University Thesis co-supervisors Dr. B. Vosman Group Leader, Non-host and Insect resistance, Department of Plant Breeding Wageningen UR Dr. R.G. van den Berg Associate professor, Biosystematics Group Wageningen UR Other members Prof. Dr. P.C. Struik, Wageningen University Dr. Ir. C.J.M. Almekinders, Wageningen University Dr. Ir. L. Visser, Centre for Genetic Resources, the Netherlands Prof. Dr. C. Mariani, Radboud University, Nijmegen This research was conducted under the auspices of the Graduate School of Experimental Plant Sciences ii Potato landraces: Description and dynamics in three areas of Ecuador Alvaro Ricardo Monteros Altamirano Thesis Submitted in fulfillment of the requirements for the degree of doctor at Wageningen University by the authority of the Rector Magnificus Prof. dr. M.J. Kropff, in the presence of the Thesis Committee appointed by the Academic Board to be defended in public on Tuesday 20 December 2011 at 11 a.m. in the Aula. iii Alvaro Ricardo Monteros Altamirano, Potato landraces: Description and dynamics in three areas of Ecuador 160 pages Thesis, Wageningen University, Wageningen, NL (2011) With references, with summaries in Dutch, English and Spanish ISBN 978-94-6173-140-1 iv Contents Chapter 1 General Introduction 2 Chapter 2 On-farm conservation of potato landraces in 14 Ecuador Chapter 3 Ecuadorian potato landraces names and genetic 38 identity Chapter 4 Ecuadorian potato landraces and late blight 62 resistance Chapter 5 Tuber quality characteristics of Ecuadorian potato 76 landraces and farmer preferences Chapter 6 General discussion 102 References 110 Summary 130 Samenvatting 136 Resumen 142 Curriculum Vitae 148 Acknowledgements 152 Education 158 Statement v vi Dedication To my parents Manuel and Alicia (+) To Emilia, Doménica and Itzel To my fellow potato farmers of Carchi, Chimborazo and Loja. -
On-Farm Conservation of Potato Landraces in Ecuador Conservación in Situ De Variedades De Papa Nativas Del Ecuador
On-farm conservation of potato landraces in Ecuador Conservación in situ de variedades de papa nativas del Ecuador Álvaro Monteros-Altamirano1* ABSTRACT RESUMEN Potato-landrace production systems have not been previously Los sistemas de producción de papas nativas no han sido pre- described in Ecuador. Accordingly, three areas of high potato viamente descritos en el Ecuador. Con este propósito, tres áreas diversity were identified using the passport data of samples col- de alta diversidad de papas fueron identificadas usando datos lected during the 70s and 80s. Native potato diversity collected pasaporte de materiales colectados durante los años 70 y 80. Se at these three locations during 2006-2008 was compared with comparó la diversidad de papas nativas cultivadas durante el the diversity at the same places approximately 30 years ago to 2006 al 2008 en estas tres localidades con la diversidad colec- determine the dynamics in the potato diversity. Additionally, tada en los mismos sitios aproximadamente 30 años atrás para potato-farmers growing landraces were interviewed and invited determinar las dinámicas en su diversidad. Adicionalmente, to local meetings to evaluate the vulnerability of their systems. los cultivadores de papas del estudio fueron entrevistados e When the earlier collections were compared with the 2006- invitados a encuentros locales para evaluar la vulnerabilidad 2008 collection, many landraces with new names were found. de sus sistemas de producción. Cuando las colectas anterio- The low number of landraces common to the past and present res fueron comparadas con la colección de este estudio, se collections might suggest that the sampling of local landraces hallaron algunas variedades nativas con nuevos nombres. -
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2018 VOLUME XXXVI, No. 3 SEPTEMBER-DECEMBER 2018 ISSN (print): 0120-9965 / ISSN (online): 2357-3732 ECEMBER 187 Editorial 237 Spectral and thermal response of Heliconia psittacorum species to induced -D water stress PLANT BREEDING, GENETIC RESOURCES AND MOLECULAR BIOLOGY / Respuesta espectral y térmica de la especie Heliconia psittacorum ante estrés hídrico FITOMEJORAMIENTO, RECURSOS GENÉTICOS Y BIOLOGÍA MOLECULAR David Revelo-Luna, Aldemar Reyes-Trujillo, and Miguel Peña-Varón Doi: 10.15446/agron.colomb 189 On-farm conservation of potato landraces in Ecuador 248 Effect of sowing density on yield and profitability of a hybrid corn under tropical VOLUME XXXVI, No. 3 SEPTEMBER-DECEMBER 2018 ISSN 0120-9965 Conservación in situ de variedades de papa nativas del Ecuador conditions EMBER Álvaro Monteros-Altamirano Efecto de la densidad de siembra en el rendimiento y rentabilidad de un híbrido de maíz en condiciones tropicales PT 201 Fertility recovery of anther-derived haploid plants in Cape gooseberry (Physalis E peruviana L.) Yeison Mauricio Quevedo, José Isidro Beltrán, and Eduardo Barragán-Quijano S Restauración de la fertilidad de plantas haploides derivadas de anteras en uchuva (Physalis 257 Radish (Raphanus sativus L.) morphophysiology under salinity stress and peruviana L.) ascorbic acid treatments Francy Garcia-Arias, Erika Sánchez-Betancourt, and Víctor Núñez Morfofisiología del rábano (Raphanus sativus L.) bajo estrés salino y tratamientos con ácido ascórbico CROP PROTECTION / PROTECCIÓN DE CULTIVOS Ana Gabriela de Sousa Basílio, Leonardo Vieira de Sousa, Toshik Iarley da Silva, Joana Gomes de Moura, 210 Initial interference of Cyperus rotundus L. in pre-sprouted seedlings of Anderson Carlos de Melo Gonçalves, José Sebastião de Melo Filho, Ygor Henrique Leal, and Thiago Jardelino Dias sugarcane cultivars RB985476 and IACSP95-5000 Interferencia inicial de Cyperus rotundus L. -
Consejoeditorial
CONSEJO EDITORIAL Director (a) PhD. Yailen Monzón Bruguera, Universidad de Cienfuegos, Cuba PhD. Alejandro Rafael Socorro Castro, Universidad Metropolitana, Ecuador PhD. Dimas Hernández Gutiérrez, Universidad Metropolitana, Ecuador Editor (a) PhD. Maritza Librada Cáceres Mesa, Universidad PhD. Jorge Luis León González, Autónoma del Estado del Hidalgo, México Universidad de Cienfuegos, Cuba MSc. Wilson Rodrigo Guamán Aldaz, Universidad Metropolitana, Ecuador Junta editorial PhD. Romel Vásquez Rodríguez, Convenio Universidad PhD. Carlos Xavier Espinoza Cordero, Metropolitana-Universidad Central de Las Villas, Ecuador Universidad Metropolitana, Ecuador PhD. Enrique Eudaldo Espinoza Freire, PhD. María Lucía Brito Vallina, Universidad Técnica de Machala, Ecuador Universidad Metropolitana, Ecuador PhD. Lilia Martín Brito, Universidad de Cienfuegos, Cuba PhD. Lázaro Emilio Nieto Almeida, PhD. Lisbet Guillén Pereira, Universidad Universidad Metropolitana, Ecuador Metropolitana, Ecuador MSc. Homero Felipe Torres Yépez, PhD. Raúl Rodríguez Muñoz, Universidad Metropolitana, Ecuador Universidad de Cienfuegos, Cuba PhD. Laura Rosa Luciani Toro, PhD. Adalia Liset Rojas Valladares, Universidad Metropolitana, Ecuador Universidad Metropolitana, Ecuador PhD. Raúl López Fernández, PhD. Oscar González Fernández, Universidad de Cienfuegos, Cuba Universidad de Las Tunas, Cuba PhD. Rolando Medina Peña, PhD. Abel Sarduy Quintanilla, Universidad Universidad Metropolitana, Ecuador Central de Las Villas, Cuba PhD. José Luis Gil Álvarez, PhD. Samuel Sánchez Gálvez, Universidad de Guayaquil, Ecuador Convenio Universidad Metropolitana- Universidad de Cienfuegos, Cuba PhD. Marianela Morales Calatayud, Universidad de Cienfuegos, Cuba PhD. Fernando José Castillo, PhD. Rafael Soler González, Universidad Universidad Metropolitana, Ecuador Metropolitana, Ecuador Editores asociados PhD. Tamara Ramírez Escalona, Universidad de Camagüey, Cuba PhD. Elba Domaccín Aros, Organización Mundial de la Educación Primaria, Ecuador Correctores (as) de estilos: PhD. Christiane Paponnet-Cantat, Ing. -
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Ciencia y Tecnología Agropecuaria ISSN: 0122-8706 ISSN: 2500-5308 [email protected] Corporación Colombiana de Investigación Agropecuaria Colombia T. Chirinos, *Dorys; Castro, Rossana; Cun, Jorge; Castro, Jessenia; Peñarrieta Bravo, Soraya; Solis, Leonardo; Geraud-Pouey, Francis Insecticides and agricultural pest control: the magnitude of its use in crops in some provinces of Ecuador Ciencia y Tecnología Agropecuaria, vol. 21, no. 1, 2020, -, pp. 1-16 Corporación Colombiana de Investigación Agropecuaria Colombia DOI: https://doi.org/10.21930/rcta.vol21_num1_art:1276 Available in: http://www.redalyc.org/articulo.oa?id=449962186013 How to cite Complete issue Scientific Information System Redalyc More information about this article Network of Scientific Journals from Latin America and the Caribbean, Spain and Journal's webpage in redalyc.org Portugal Project academic non-profit, developed under the open access initiative Cienc Tecnol Agropecuaria, Mosquera (Colombia), 21(1): e1276 January - April / 2020 ISSN 0122-8706 ISSNe 2500-5308 1/16 Vegetable health and crop protection Scientific and technological research article Insecticides and agricultural pest control: the magnitude of its use in crops in some provinces of Ecuador Los insecticidas y el control de plagas agrícolas: la magnitud de su uso en cultivos de algunas provincias de Ecuador Dorys T. Chirinos,1* Rossana Castro,2 Jorge Cun,3 Jessenia Castro,4 Soraya Peñarrieta Bravo,5 Leonardo Solis,6 Francis Geraud-Pouey7 1 Lecturer, Universidad Técnica de Manabí, Facultad de Ingeniería Agronómica. Portoviejo, Ecuador. Email: [email protected]. Orcid: https://orcid.org/0000-0001-8125-5862 2 Lecturer, Universidad Agraria del Ecuador, Facultad de Ciencias Agrarias. Guayaquil, Ecuador. Email: [email protected]. -
Brucella Abortus Biovar 4 a Été Isolée À Partir Du Lait D'animaux Ayant Présenté Des Résultats Sérologiques Fortement Positifs (N=13)
Académie Universitaire Wallonie – Europe Université de Liège – Faculté de Médecine Vétérinaire Département des Maladies Infectieuses et Parasitaires Service d’Épidémiologie et Analyse de Risques Appliquées aux Sciences Vétérinaires Institut de Médecine Tropicale d’Anvers Unité de Biostadistique et d’Epidémiologie Département de Sciences Biomédicales Centro Internacional de Zoonosis Universidad Central del Ecuador ETUDE ÉPIDÉMIOLOGIQUE DE LA BRUCELLOSE BOVINE ET SON IMPACT EN SANTÉ PUBLIQUE DANS LE NORD-OUEST DE L’EQUATEUR EPIDEMIOLOGICAL STUDY OF BOVINE BRUCELLOSIS AND ITS IMPACT IN PUBLIC HEALTH IN THE NORTHWEST OF ECUADOR Jorge RON-ROMÁN Thèse présentée en vue de l’obtention du Grade de Docteur en Sciences Vétérinaires Année académique 2016-2017 Source des illustrations de la couverture : Jorge Ron-Román et Alexandra Angulo-Cruz Académie Universitaire Wallonie – Europe Université de Liège – Faculté de Médecine Vétérinaire Département des Maladies Infectieuses et Parasitaires Service d’Épidémiologie et Analyse de Risques Appliquées aux Sciences Vétérinaires Institut de Médecine Tropicale d’Anvers Unité de Biostadistique et d’Epidémiologie Département de Sciences Biomédicales Centro Internacional de Zoonosis Universidad Central del Ecuador ETUDE ÉPIDÉMIOLOGIQUE DE LA BRUCELLOSE BOVINE ET SON IMPACT EN SANTÉ PUBLIQUE DANS LE NORD-OUEST DE L’EQUATEUR EPIDEMIOLOGICAL STUDY OF BOVINE BRUCELLOSIS AND ITS IMPACT IN PUBLIC HEALTH IN THE NORTHWEST OF ECUADOR Promoteur: Prof. Dr. Claude SAEGERMAN Unité de recherche en Epidémiologie et Analyse -
Is Here to Stay
Agroecology is here to stay Mapping agroecological farmers and the status of agroecology in Ecuador’s Highlands and Coastal regions Agroecology is here to stay Mapping agroecological farmers and the status of agroecology in Ecuador’s Highlands and Coastal regions A publication by Heifer Ecuador Country Director Rosa Rodriguez Research Coordinator Nancy Minga Research Support Team Pedro Cerrada Anna Deaconu Chapters The following chapters were done with the support of: Chapter 5 • Anna Deaconu • Information produced by Alternative Marketing Circuits (CIALCO)/ General Coordinating Office for Commercial Networks-Magap - Ministry of Agriculture, Livestock, Aquaculture and Fishing (MAGAp) and the Consumers’ Commission. Chapters 3 and 6 Ana Lucía Bravo Revision and editing Elizabeth Bravo Photographs The Heifer Ecuador Team Design and Layout Manthra Comunicación Integral • www.manthra.net ISBN: Pending Quito, Ecuador 2014 Heifer-Ecuador Foundation Address José Luis Tamayo N24-587 & Colón, Quito, Ecuador (592 2) 2501427/2908985 [email protected] Web www.heifer-ecuador.org HeiferEcuador @HeiferEcuador Any parts may be reproduced as long as the source is cited and the Heifer Ecuador Foundation is informed. About Heifer Ecuador Heifer International has worked in Ecuador since 1954 supporting indigenous and other rural organiza- tions in programs and initiatives geared toward sustainable development with an integrated, participa- tory approach. Since 1993, Heifer has taken the form of the Heifer Ecuador Foundation, an Ecuadorian non-governmental rural development organization. Mission of Heifer International To work in community to contribute to reducing hunger and poverty, caring for the Earth. Heifer Ecuador assumes the mission of Heifer International, linking it to the goals of Food Sovereignty.