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Now showing items 5795-5814 of 13551
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First report of bovine neosporosis in dairy cattle in Costa Rica
(British Veterinary Association, 1998-05-09)NEOSPOROSIS has recently been recognised as a major cause of abortion in dairy cattle worldwide (Barr and others 1990, Duff and Otter 1994, Boulton and others 1995). The disease is caused by the protozoan parasite, ... -
First Report of Campylobacter hepaticus Isolation in Laying Hens and Broiler Breeders with Spotty Liver Disease in Costa Rica
(American Association of Avian Pathologists, 2023-04)Poultry producers in Costa Rica have informally reported a spotty liver disease–like syndrome for more than 20 yr. However, despite many attempts, the infectious agent responsible for this syndrome had not been identified. ... -
First report of Lutzomyia (Psychodopygus) bispinosa Fairchild and Hertig (Diptera. Psychodidae) from Costa Rica.
(Universidad de Costa Rica, 1992)Lutzomyia bispinosa had been reported from Belize (Williams 1970), Guatemala (Portes et al. 1987). Honduras (Fairchild and Hertig 1959), Nicaragua (Fairchild an Hertig 1959) and Panamá (Fairchild and Hertig 1951) which ... -
First report of the trematode Platynosomum illiciens (Trematoda: Digenea) in Felis catus in Costa Rica, Central America
(Universidad Nacional, Costa Rica, 2021-02-02)This paper is the first description of the trematode P. illiciens found in a domestic feline (Felis catus) in Costa Rica, detected as an incidental finding at necropsy. The cat’s carcass was accepted for a necropsy in the ... -
First report of Trypanosoma vivax infection in dairy cattle from Costa Rica
(Elsevier, 2009)An outbreak of haemoparasitoses occurred from October 2007 to July 2008 in cattle from the district of Rio Cuarto, province of Alajuela, Costa Rica. Fifty animals of various ages out of 450 Brown Swiss were affected. The ... -
First report of Trypanosoma vivax infection in sheep from Nicaragua
(Elsevier Science B.V, 2021-07)In Central America, outbreaks of trypanosomiasis by Trypanosoma vivax have been recorded only in cattle. This is the first report of an outbreak of trypanosomiasis by T. vivax in 30 Pelibuey sheep (2 to 7 years old, male ... -
First report on the seroprevalence of Neospora caninum in goats from the Federal State of Hesse, Germany
(Universidad Nacional, Costa Rica, 2017-10-23)A total of 415 goat serum samples from 26 flocks in Hesse, Central Germany, were analyzed for the presence of specific antibodies against the abortion-causing apicomplexan parasite Neospora (N.) caninum by immuno-enzyme ... -
First spontaneous spawning of F1 generation queen drum (whitefin weakfish) Cynoscion albus in captivity
(World Aquaculture Society (USA), 2019-11)The queen drum (Whitefin weakfish), Cynoscion albus corvina reina is distribute along the pacific coast of the Americas and overexploited in the Gulf of Nicoya, Costa Rica. Wild males ad females were captured and transported ... -
Five New Species of Diplazium Sw. (Athyriaceae) from Nicaragua, Costa Rica and Colombia
(Universidad Nacional (Costa Rica), 2018-04-13)Five new species are described in the genus Diplazium Sw. from Nicaragua, Costa Rica and Colombia, as results of studies in the Neotropical ferns. The new species are Diplazium chirripoense A. Rojas, Diplazium cornutum ... -
Fixation of hydrogel constructs for cartilage repair in the equine model: a challenging issue
(Tissue Engineering, 2017-11-07)Objective: To report on the experiences with the use of commercial and autologous fibrin glue (AFG) and of an alternative method based on a 3D-printed polycaprolactone (PCL) anchor for the fixation of hydrogel-based scaffolds ... -
Flebótomos de Costa Rica (Diptera Psychodidae)
(Museo Nacional de Costa Rica, 1985-03)Esta monografía pretende dar a conocer y ampliar los conocimientos existentes sobre los flebótomos de Costa Rica, desde el punto de vista de su taxonomía, su distribución en el territorio nacional, y de algunos aspectos ... -
Flexibilización curricular en la Universidad Nacional
(Centro de Estudios Generales, Universidad Nacional, 2001-07)La flexibilización curricular en la Universidad Nacional desde la perspectiva de los diferentes autores docentes, pretende establecer ciertos criterios que beneficiaran la administración del currículo la utilización racional ... -
Flora bacteriana cloacal y nasal de Lepidochelys olivacea (Testudines: Cheloniidae) en el pacífico norte de Costa Rica
(Universidad de Costa Rica, 2005-07-05)The aerobic cloacal and nasal bacterial flora of 45 apparently healthy female olive ridley sea turtles (Lepidochelys olivacea) was studied at Nancite nesting beach, in Santa Rosa National Park (Costa Rican North Pacific) ... -
Flora relevante para las abejas nativas sin aguijón en un sector de bosque seco del Parque Nacional Guanacaste
(Universidad Nacional, Costa Rica, 2022-11)El presente documento describe la importancia de las plantas y sus polinizadores para la conservación y el equilibrio de los ecosistemas tropicales. Se demuestra que los servicios de polinización que brindan los polinizadores ... -
Floraciones algales nocivas durante el periodo 2008-2010 en el Golfo de Nicoya, Costa Rica
(Universidad Nacional (Costa Rica), 2016)En este estudio se analizaron los eventos de floraciones algales nocivas (FAN) en cuatro estaciones de muestreo fijas en el Golfo de Nicoya durante el periodo de enero de 2008 a diciembre de 2010. Se recolectaron ... -
Floral biology, pollination ecology and seed production of the ornamental plant Salvia splendens Sello
(Universidad Nacional, Costa Rica., 2002)In this paper, the floral biology and pollination ecology of Salvia splendens are described. All flower characteristics (red corolla, large tubular flowers with abundant but dilute nectar) indicate that S. splendens is ... -
Florecimientos de dinoflagelados nocivos en la costa Pacífica de Costa Rica
(Universidad Autónoma Metropolitana - Unidad Iztapalapa (México), 2008)Desde 1979 se han reportado florecimientos de especies de microalgas nocivas (FAN) en la costa Pacífica de Costa Rica, reconociéndose hasta el 2005 al menos 13 taxa de dinoflagelados. En años recientes estos ... -
Florencio del Castillo, precursor de los derechos de propiedad intelectual en Hispanoamérica /
(San José, CR. : UCR, 2000, 2012-11-09)En VII Congreso Costarricense de Filología, Lingüística y Literatura Dr. Jack Wilson Kilburn. -
Floristic composition and richness of urban domestic gardens in three urban socioeconomic stratifications in the city Heredia, Costa Rica
(Urban Ecosystems Vol.20 51-63, 2017)The urban domestic gardens that are part of urban green areas have become a very important element due to their ecosystematic benefits and the poor information about them. Information regarding the floristic richness of ... -
Fluctuaciones temporales en la diversidad y abundancia relativa de aves acuáticas en el Refugio Nacional de Vida Silvestre Laguna Mata Redonda y Humedal Corral de Piedra, Costa Rica.
(Universidad Nacional, Costa Rica, 2007)El Refugio Nacional de Vida Silvestre Laguna Mata Redonda y el Humedal Corral de Piedra, ubicados en la cuenca baja del río Tempisque, son humedales palustrinos en los que se determinaron las fluctuaciones temporales en ...