Now showing items 2101-2120 of 2211

    • Raggi Saini, Luis; Ferrando, Germán; Parraguez Gamboa, Víctor; MacNiven, Verónica; Urquieta, Bessie (ELSEVIER SCIENCE BV, 1999-01-29)
      Plasma progesterone concentration during pregnancy and the early postpartum period was measured by radioimmunoassay in five alpacas (Lama pacos), of the Huacaya breed, whose pregnancy length had a mean of 344.8 +/- 4.4 ...
    • Rodríguez, Angel; Rojas, Mariana A.; Bustos Obregón, Eduardo; Urquieta, Bessie; Regadera, Javier (WILEY-LISS, DIV JOHN WILEY & SONS INC, 1999-03-01)
      The purpose of the present study was to investigate the pattern of distribution of cytokeratins, vimentin and muscular actin in the testis of vicuna (Vicugna vicugna) and llama (Lama glama) two species of camelids native ...
    • Buendía, P.; Soler, Carlés; Paolicchi, Fernando; Gago, G.; Urquieta, Bessie; Pérez Sánchez, F.; Bustos Obregón, Eduardo (ELSEVIER SCIENCE INC, 2002-03-01)
      Sperm morphology has been identified as one characteristic which can be useful in the prediction of sperm fertility, therefore, we hope that this study aimed at establishing standardized morphological criteria might serve ...
    • Flores, Paloma; García Huidobro, Jorge; Muñoz, Camila; Bustos Obregón, Eduardo; Urquieta, Bessie (ELSEVIER SCIENCE BV, 2002-08-15)
      Increasing the knowledge of the semen characteristics in the alpaca will contribute to understanding one of the many factors that affect the poor fertility rate in this species. Ten adult male alpacas, 2.6-10 years of age, ...
    • Urquieta, Bessie; Flores, Paloma; Muñoz, Camila; Bustos Obregón, Eduardo; García Huidobro, Jorge (ELSEVIER SCIENCE BV, 2005-12)
      Most studies in alpaca reproductive biology have been focused on female physiology. Only recent research is being conducted in order to increase the knowledge on males. Semen characteristics during breeding periods will ...
    • Urquieta, Bessie; Duran, María Carolina; Coloma, Ignacio; Parraguez Gamboa, Víctor (WILEY-BLACKWELL PUBLISHING, INC, 2009-12)
      Our aim was to compare Corpus luteum (CL) development and blood plasma concentration of progesterone ([P(4)]) in thoroughbred mares after spontaneous (Control: C) or human chorionic gonadotrophin (hCG)-induced ovulation. ...
    • González Hein, Gisela Andrea; Fredes Martínez, Fernando; Hidalgo Olate, Héctor (ELSEVIER SCIENCE INC, 2007-10)
    • Fredes Martínez, Fernando; Raffo Carvajal, Eduardo; Muñoz, Pamela (CAMBRIDGE UNIV PRESS, 2007-12)
    • Navarro Venegas, Carlos; Celedón Venegas, María Orfelia; Pizarro Lucero, José (UNIVERSIDAD AUSTRAL CHILE, FACULTAD CIENCIAS VETERINARIAS, 2003)
      This work reports the detection of canine herpesvirus type I (CHV-1) in Chile, confirming the strong clinical suspicion of its existence. A viral isolate, RP5, was obtained from diagnosed clinical cases such as hemorrhagic ...
    • Squella Narducci, Fernando; Maino Menéndez, Mario; Köbrich Gruebler, Claus; Morales Silva, María Sol; Pokniak Ramos, José (Universidad de Zulia, 2007)
      The carcasses of thirty suckling lambs (Suffolk Down x German Merino Precocius) were studied to estimate the effect of sex and slaughter weight on: hot carcass weight, carcass length, commercial and true dressing percentages, ...
    • Celedón Venegas, María Orfelia; Sandoval, A.; Droguett, Juan; Calfio, Ricardo; Ascencio, Lorena; Pizarro Lucero, José; Navarro Venegas, Carlos (UNIVERSIDAD AUSTRAL CHILE, FACULTAD CIENCIAS VETERINARIAS, 2001)
      Microtitration serum virus-neutralization tests were used to determine antibody titres for pestivirus: bovine viral diarrhea virus (NADL strain) and herpesvirus: bovine herpes virus I (Los Angeles strain) in 321 sheep, 322 ...
    • Navarro Venegas, Carlos; Celedón Venegas, María Orfelia; Pizarro Lucero, José; Gaggero Brillouet, Aldo (Universidad Austral de Chile, 2005)
      The study described here studied the biological properties of the RP5 isolate and confirms the presence of Canine herpes virus-1 (CHV-1) by means of the immunofluorescence direct method. The preliminary characterization ...
    • Pizarro Lucero, José; Celedón Venegas, María Orfelia; Navarro Venegas, Carlos; Ortega, René; González, D. (BRITISH VETERINARY ASSOC, 2005-09-03)
    • Borie Polanco, Consuelo; Albala, Isabel; Sánchez, Pilar; Sánchez, María Luisa; Ramírez, S.; Navarro Venegas, Carlos; Morales, María Angélica; Retamales Aranda, Julio; Robeson, James (AMER ASSOC AVIAN PATHOLOGISTS, 2008-03)
      Three different lytic bacteriophages (BPs) were isolated from the sewage system of commercial chicken flocks and used to reduce Salmonella Enteritidis (SE) colonization from experimental chickens. Ten-day-old chickens ...
    • Borie Polanco, Consuelo; Sánchez, María Luisa; Navarro Venegas, Carlos; Ramírez, S.; Morales, María Angélica; Retamales Aranda, Julio; Robeson, James (AMER ASSOC AVIAN PATHOLOGISTS, 2009-06)
      A combination of three different Salmonella-specific bacteriophages (BPs) and one competitive exclusion (CE) product were used to reduce Salmonella Enteritidis (SE) colonization in experimentally infected chickens. Equal ...
    • Céspedes, Pablo; Cruz, Pamela; Navarro Venegas, Carlos (Universidad Austral de Chile, 2010)
      Canine distemper virus (CDV) infection is the main infectious cause of mortality in canines and exotic animals worldwide, and also threatens several endangered species such as the giant panda and big felids. The CDV blocks ...
    • Cepeda, Cristián; Navarro Venegas, Carlos; Celedón Venegas, María Orfelia (UNIV AUSTRAL CHILE, FAC CIENCIAS VETERINARIAS, 2011)
      A total of 370 sera collected from 87 alpacas (Lama pacos), 88 llamas (Lama glama), 89 guanacos (Lama guanicoe) and 106 vicunas (Vicugna vicugna) were investigated for the presence of antibodies to parainfluenza 3 virus ...
    • Vera, Raúl; Aguilar, Claudio; Lira, Rodrigo; Toro, Paula; Barrales, Luis; Peña, Iván; Squella Narducci, Fernando; Pérez Melendez, Patricio; Quenaya, Javiera; Yutronic, Hanja; Briones, Ignacio (INST INVESTIGACIONES AGROPECUARIAS, CENTRO REGIONAL DE INVESTIGACION QUILAMAPU, 2009-12)
      The purpose of this experiment was to determine the extent to which lamb carcass quality and fat composition could be altered by applying a dry olive cake-based ration instead of a conventional ration or pasture feeding. ...
    • Pérez Melendez, Patricio; Maino Menéndez, Mario; Morales Silva, María Sol; Soto Cortés, Anita (ELSEVIER SCIENCE BV, 2001-10)
      Sixty Creole kids were assigned to three groups, fed either goat milk only (TI) or a commercial calf milk substitute/replacer (T2) or a goat kid milk substitute/replacer (T3). Kids in all groups were maintained with their ...
    • Pérez Melendez, Patricio; Maino Menéndez, Mario; Tomic, Gerda; Mardones, Emilio; Pokniak Ramos, José (ELSEVIER SCIENCE BV, 2002-06)
      The object of this project was to study the carcass characteristics and meat quality of Suffolk Down suckling lambs as well as the effects of slaughter weight and sex on these characteristics. Thirty lambs were divided ...