Browsing by Title Artículos de revistas

Now showing items 617-636 of 851

    • Ovarian follicular dynamics and hormonal secretory profiles in guanacos (Lama guanicoe) 
      Riveros, José Luis; Schuler, Gerhard; Bonacic, Cristian; Hoffmann, Bernd; Chaves, M. Graciela; Urquieta, Bessie (ELSEVIER, 2010)
      The objective of the present study was to describe ovarian activity in 11 adult non-mated guanacos, evaluated every second day for 40 days by transrectal ultrasonography and by plasma estradiol-17 and progesterone ...
    • Overexpression of DAZL, STRA8, and BOULE Genes and treatment with BMP4 or retinoic acid modulate the ... 
      Cordero, Paloma; Guerrero Moncayo, Alejandra; Reyes, Mónica de los; Varas Godoy, Manuel; Cortez, Jahaira; Torres, Cristian G.; Parraguez, Víctor H.; Peralta, Óscar A. (Frontiers Media, 2021)
      In vitro gamete derivation from stem cells has potential applications in animal reproduction as an alternative method for the dissemination of elite animal genetics, production of transgenic animals, and conservation of ...
    • Ovine placenta at high altitudes: Comparison of animals with different times of adaptation to hypoxic environment 
      Parraguez Gamboa, Víctor; Atlagich, Miljenko; Díaz, Rodrigo; Cepeda, Raquel; González, Carlos; Reyes Solovera, Mónica de los; Bruzzone Valdés, María Eugenia; Behn Thiele, Claus; Raggi Saini, Luis (ELSEVIER, 2006-09)
      Fetal growth and newborn weight from ovine gestations at high altitudes (HA) are greater in ewes that live at HA for several generations than in those native to low altitudes (LA) exposed to HA only during pregnancy. Because ...
    • Oxytetracycline and florfenicol concentrations in food-additive premixes authorised for broiler chickens: ... 
      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 ...
    • La Palma island (Spain) geothermal system revealed by 3D magnetotelluric data inversión 
      Di Paolo, Federico; Ledo, Juanjo; Slezak, Katarzyna; Martínez van Dorth, David; Cabrera Pérez, Iván; Pérez, Nemesio M. (Nature, 2020)
      The study of geothermal systems is nowadays a topic of great importance because of the huge amount of energy that could be converted in electricity for human consumption from such sources. Among the various geophysical ...
    • Pannexin channels increase propidium iodide permeability in frozen-thawed dog spermatozoa 
      Torres, J. L.; Palomino, J.; Moreno, R. D.; Reyes Solovera, Mónica de los (CSIRO, 2017)
      Pannexins (Panx) are proteins that form functional single membrane channels, but they have not yet been described in dogs. The aim of the present study was to detect Panx1, Panx2 and Panx3 in frozen–thawed dog spermatozoa using ...
    • Papillomatous digital dermatitis in Chilean dairies and evaluation of a screening method 
      Rodriguez Lainz, Alfonso; Meléndez Retamal, Pedro; Hird, David W.; Read, Deryck H. (Elsevier, 1998)
      Outbreaks of papillomatous digital dermatitis (PDD) have been reported from many countries, but there is little information on prevalence and geographic distribution of the disease. Our objectives were to describe prevalence ...
    • Parasites found in African pigmy hedgehogs (Atelerix albiventris). Fauna parasitaria en erizos de tierra ... 
      Fredes Martínez, Fernando; Román A., Daniella (2004)
      100 pigmy hedgehogs were examined, 56 came from a breeder and 44 from particular owners. Feces samples and skin scrapings were obtained and then analized using several parasitological methods to find and identify the ...
    • Parasitic survey on introduced monk parakeets (Myiopsitta monachus) in Santiago, Chile 
      Briceño Urzúa, Cristóbal; Surot, Dominique; González Acuña, Daniel; Martínez, Francisco Javier; Fredes Martínez, Fernando (Brazilian College of Veterinary Parasitology, 2017)
      Central Chile has been identified as a unique ecosystem with high conservation priority because of its high levels of endemism and intensive anthropic pressure. Over a period of almost four decades, the monk parakeet has ...
    • Partial biomimetic reconstitution of avian eggshell formation 
      Fernández, M. S.; Passalacqua, K.; Arias, J. I.; Arias, J. L. (2004)
      The avian eggshell is a biocomposite ceramic consisting of minute amounts of organic matrix and a crystalline calcium carbonate (calcite) filler. It is formed by a well regulated spatio-temporal assembling process, where ...
    • Patagonian blenny (Eleginops maclovinus) spermatozoa quality after storage at 4 ºC in Cortland medium 
      Ulloa Rodríguez, Patricio; Contreras, Pablo; Dumorné, Kelly; Lee Estévez, Manuel; Díaz, Rommy; Figueroa, Elías; Valdebenito, Iván; Risopatrón, Jennie; Farías, Jorge G. (Elsevier, 2018)
      Patagonian blenny (E. maclovinus) is a marine species recently placed in captivity and which are potentially farmable. Understanding and improving its sperm capacity to withstand short-term storage conditions is a key ...
    • Pathogenicity of chicken anaemia virus (isolate 10343) for young and older chickens 
      Toro Guzmán, Haroldo,; Ramírez Kamann, Ana María; Larenas Herrera, Julio (Taylor and Francis Ltd., 1997)
      One-day-old chicks, inoculated intramuscularly (i.m.) with the chicken anaemia virus (CAV) isolate 10343, showed depression of body weight gain and anaemia, particularly between days 14 and 21 post-inoculation (p.i.). The ...
    • Patterns of Piscirickettsia salmonis load in susceptible and resistant families of Salmo salar 
      Dettleff, Phillip; Bravo, Cristian; Patel, Alok; Martínez Moncada, Víctor (Elsevier, 2015)
      The pathogen Piscirickettsia salmonis produces a systemic aggressive infection that involves several organs and tissues in salmonids. In spite of the great economic losses caused by this pathogen in the Atlantic salmon ...
    • Penetración de espermatozoos bovinos en mucus cervical y su relación con algunas características seminales ... 
      Frey G., Walter von; Vidal M., Ricardo; Santa María S., Alejandro; Reyes Solovera, Mónica de los (Universidad de Chile, Facultad de Ciencias Veterinarias y Pecuarias, 1988)
      Se estudió el comportamiento de la penetración espermática en mucus cervical bovino y su relación con algunas características seminales en tres siste­mas de descongelación de semen. Para ello se utili­zó mucus bovino ...
    • Perception of cat owners on the use of insects as feed ingredients for cats 
      Villanueva, Valeria; Valdés, Fabrizzio; Zavala, S.; Yáñez López, José Manuel; Valenzuela Venegas, Carolina Paz (Koninklijke Brill NV, 2023)
      Currently, insects represent a sustainable alternative to animal-based ingredients for pet food, but there is little information on the willingness of cat owners to incorporate insects into their pet diets. The objective ...
    • Performance of lambs grazing an annual Mediterranean pasture or fed supplements based on olive oil cake or ... 
      Vera, Raúl R.; Aguilar, Claudia; Toro, Paula; Squella Narducci, Fernando; Pérez Melendez, Patricio (CSIRO, 2013)
      Three lamb feeding strategies were compared, including finishing of suckling lambs on an annual Mediterranean pasture (GRAZE), weaned followed by a concentrate plus hay diet (CONC), or weaned and fed a concentrate with ...
    • Permanent fistulation and cannulation of compartment 1 (Rumen) of the Llama (Lama glama) Fistulación y ... 
      Cabrera C, Raúl; López Villanueva, Alejandro; Morales Silva, María Sol; Salazar, H.; Fuentes, A. M. (2000)
      To carry out nutritional evaluation of potentially useful feedstuffs and related ruminal metabolic studies in Llama, we have performed permanent fistulations of compartment 1 (rumen) in this specie. Four adult female llamas ...
    • Pesquisa de anticuerpos seroneutralizantes para pestivirus y herpesvirus en ovinos, caprinos y camélidos ... 
      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 ...
    • Pesquisa serológica de Bartonella henselae en gatos en la ciudad de Santiago 
      Muñoz Arenas, Loreto; Baracatt F., Patricia (Universidad de Chile, Facultad de Ciencias Veterinarias y Pecuarias, 2009)
      La Bartonella henselae es una bacteria con potencial zoonótico, capaz de producir la enfermedad del arañazo del gato en el humano. Es una bacteria difundida mundialmente, con diferentes seroprevalencias en los distintos ...
    • pH-Dependent Schemes of Calcium Carbonate Formation in the Presence of Alginates 
      Rao, Ashit; Fernández, María S.; Berg, John K.; Sánchez, Marianela; Drechsler, Markus; Neira Carrillo, Andrónico; Arias Bautista, José; Gebauer, Denis; Coelfen, Helmut (AMER CHEMICAL SOC, 2016)
      From recent studies on bone and shell formation, the importance of polysaccharides in biomineralization processes is gradually being recognized. Through ion-complexation and self-assembly properties, such macromolecules ...