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Density dependence in a seasonal time series of the bamboo mosquito, Tripteroides bambusa (Diptera: Culicidae)
(Entomological Society of Canada, 2017)The bamboo mosquito, Tripteroides bambusa (Yamada) (Diptera: Culicidae), is a mosquito species ubiquitous across forested landscapes in Japan. During 2014 we sampled adult mosquitoes from May to November using a sweep ... -
Desarrollo e implementación de metodología para optimización del descarte en hatos de lechería especializada de Costa Rica
(Universidad Nacional, Costa Rica, 2007-03)El objetivo de esta tesis fue desarrollar un modelo bioecónomico para el cálculo de valores económicos de distintos rasgos productivos en ganado lechero y construir un índice de selección fenotípico que pueda ser ... -
Desarrollo e implementación de una matriz de indicadores para el monitoreo de sostenibilidad en fincas de lechería especializada de Costa Rica
(Universidad Nacional, Costa Rica, 2003-10)En esta investigación se desarrolló e implementó una metodología basada en indicadores claves para estimar de forma integral la sostenibilidad de lecherías especializadas de Costa Rica. El trabajo se dividió en dos ... -
Detection of proteins antigenically related to Bothrops asper myotoxin in crotaline snake venoms
(Pergamon Press, 1987-03-05)H. Loxtoxre, E, Moatnvo and J . M. GurtEsaez . Detation of proteins antigenically rdated to Bothrops riper myotoxin in crotaline snake venoms. Tadcon 25, 947 -953, 1987 . - The presence of componrnts antigenically related ... -
Detection of Rickettsia monacensis and Rickettsia amblyommatis in ticks collected from dogs in Costa Rica and Nicaragua
(Elsevier B.V, 2018-08-04)The neotropical climate of Central America provides ideal conditions for ticks, which may transmit several human pathogens, including spotted-fever group Rickettsia. Dogs may act as sentinels or reservoirs for human tick-borne ... -
Determinación de eficiencia técnica mediante modelos estocásticos de frontera en lecherías de Costa Rica adscritas a la Cooperativa de Productores de Leche Dos Pinos S.R.L
(Universidad Nacional, Costa Rica, 2014-11)Eficiencia Técnica mediante modelos de frontera de producción. El objetivo consistió en determinar índices de eficiencia técnica, mediante modelos estocásticos de fronteras en hatos lecheros de Costa Rica, con datos ... -
Determination of streptomycin and doxycycline using LC/MS towards an effective treatment against an experimental Brucella abortus infection in mice
(Elsevier B.V, 2022-02-25)Herein we described a versatile liquid chromatographic method for detection and quantification of the total levels of two antimicrobials [i.e., streptomycin (STM) and doxycycline (DOX)], in mice plasma and selected tissues, ... -
Digenetic trematode community in nesting green sea turtles (Chelonia mydas) from Tortuguero National Park, Costa Rica
(American Society of Parasitologists, 2006-12-01)The digenetic community of 40 green sea turtles (Chelonia mydas) was investigated at Tortuguero National Park, Costa Rica. In total, 24,270 trematodes belonging to 29 species and 6 families including Clinostomidae 1, ... -
Disseminated toxoplasmosis in a captive porcupine (Coendou mexicanus) from Costa Rica
(American Society fo Parasitologists, 2016)An adult porcupine (Coendou mexicanus) from the National Zoo, San Jose, Costa Rica, died because of toxoplasmosis involving the heart, lungs, liver, and kidneys, Toxoplasma gondii was found in lesions and the diagnosis was ... -
Diversidad genética en el ganado bovino en Costa Rica
(Universidad Nacional, Costa Rica, 2014-05)El objetivo de esta tesis fue cuantificar el grado de diversidad genética en el ganado bovino de Costa Rica. Inicialmente se realizó un análisis de la diversidad genética en la población total. Se colectaron 1498 muestras ... -
Diversity of Human Rotavirus G and P Genotypes in Panama, Costa Rica, and the Dominican Republic
(The American Society of Tropical Medicine and Hygiene, 2008)In this study 2,089 fecal samples from patients with gastroenteritis were analyzed from different hospitals in Panama, Costa Rica, and the Dominican Republic during the period comprised between December 2002 and July 2003. ... -
Economic values for production and functional traits in Holstein cattle of Costa Rica
(Elsevier Science B.V., 2001-08-20)Economic values for production traits (carrier, fat, protein, and dressing percentage) and functional traits (conception rate, survival rate, body weight, and rumen capacity) were calculated for Holstein cattle of Costa ... -
Efecto bioeconómico de la heterosis sobre rasgos productivos y reproductivos en cruces entre razas lecheras de Costa Rica
(Universidad Nacional, Costa Rica, 2012-03)El objetivo de esta tesis fue determinar el efecto bioeconómico de la heterosis sobre rasgos productivos y reproductivos en cruces entre razas lecheras de Costa Rica. Este trabajo se llevo a cabo en dos fases. En la ... -
Effect of a killed whole Neospora caninum tachyzoite vaccine on the crude abortion rate of Costa Rican dairy cows under field conditions
(Elsevier B.V, 2004-06-04)A standard field trial was carried out to assess the effect of a commercial Neospora-vaccine based on whole killed tachyzoites (Bovilis–Neoguard, Intervet1) on the abortion rate. Eight hundred and seventy-six cows, over ... -
Epidemiology of bovine anaplasmosis and babesiosis in Costa Rica
(Elsevier, 1994)A serum bank created by the National Brucellosis Control Program during 1991 con sisted of approximately 4000 sera collected from farms in each of the seven provinces in Costa Rica. Sera were used to determine the ... -
Epidemiology of bovine anaplasmosis in dairy herds from Costa Rica
(Elsevier, 2011)Bovine anaplasmosis is endemic and occurs in almost all areas of livestock production of Costa Rica. The aim of this study was to determine the seroprevalence and risk factors of anaplasmosis in dairy farms of Costa Rica ... -
Epizootic of dolphin morbillivirus on the Catalonian Mediterranean coast in 2007
(British Veterinary Association, 2011-07-23)BETWEEN 1990 and 1992, thousands of striped dolphins (Stenella coeruleoalba) stranded along the Mediterranean coast due to a newly described virus, the dolphin morbillivirus (DMV) (Domingo and others 1990, 1992). DMV is ... -
Esophageal spirocercosis with pulmonary egg deposition and secondary hypertrophic osteopathy in a dog from Costa Rica
(Elsevier B.V., 2021)Spirocerca lupi is the etiologic agent of spirocercosis in canids from the tropical and subtropical regions of the world. A 1-year-old dog was presented with weight loss and diarrhea. Upon examination, thickened limbs, a ... -
Estimación de heterosis y tendencias genéticas para variables productivas y reproductivas de las razas holstein, pardo suizo y sus cruces en la provincia de Chiriquí, Panamá
(Universidad Nacional, Costa Rica, 2017-04)El objetivo de este estudio fue evaluar el desempeño productivo y reproductivo de las vacas de las razas Holstein, Pardo Suizo y sus respectivos cruces en los hatos lecheros usuarios del programa VAMPP localizados en la ... -
Estudio bioeconómico del efecto de la fertilización quimica versus organica sobre la producción del pasto camerún (Pennisetum purpureum) en la finca Montezuma, Guanacaste, Costa Rica
(Universidad Nacional, Costa Rica, 2006-06)El objetivo de este estudio fue determinar la factibilidad bioeconómica del uso de estiércol bovino para fertilización de pasto Camerún (pennisetum purpureum) en la hacienda Montezuma, Guanacaste, Costa Rica. El primer ...