Revistas Científicas y Artículos: Envíos recientes
Mostrando ítems 361-380 de 570
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Efectos de cuatro niveles dietéticos de harina de semilla de chocho (Lupinus mutabilis) sobre parámetros productivos, desarrollo intestinal y valores hematológicos en pavos de ocho semanas.
(Universidad Nacional Mayor de San Marcos., 2019)El efecto de cuatro niveles dietéticos de la harina de semilla de chocho (Lupinus mutabilis, HCH) sobre el rendimiento en crecimiento, desarrollo del tracto intestinal y valores hematológicos fueron evaluados en pavos ... -
Drymaria veliziae (Caryophyllaceae), a new species from the Andes of Cajamarca (North Peru).
(Pensoft Publishers., 2020)A new species from the Northern Peruvian Andes (Cajamarca department), Drymaria veliziae sp. nov., is proposed in the present paper. It grows in the high-elevation montane grasslands and it is morphologically similar to ... -
Distribution of archaeological sites of Ancient Peru is linked to climatology and natural vegetation.
(Taylor and Francis Ltd., 2020)In this article, we try to discover a parallelism among climate and bioclimate belts, use of the territory, and previously studied plant communities, taking into account historical and archaeological data to find an answer ... -
Efecto de nutrientes en el rendimiento de biomasa de Botryococcus braunii para la obtención de biodiesel.
(Latin American and Caribbean Consortium of Engineering Institutions., 2020)The idea of using microalgae as a biosource of biodiesel is being taken seriously because of the escalating price of fossil fuel. The objective the research was to determine the optimal levels of concentrations of ... -
Selección de factores clave en el rendimiento de biomasa de Kluyveromyces fragilis a partir de suero de queso usando un diseño Placket-Burman.
(Latin American and Caribbean Consortium of Engineering Institutions., 2020)In this work a study of biomass production from deproteinized serum of cheese was made by using yeast Kluyveromyces fragilis from the Spanish Type Culture Collection with the objective of providing an alternative of use ... -
Family, Child Labor, and Social Welfare in Peru.
(Oxford University Press., 2020)The problematic effects of child labor are primarily caused by poverty and precarity, products of the social and economic inequality generated by the capitalist system in Southern societies. Approaches from the Global North ... -
Liver resection as part of cytoreductive surgery for ovarian cancer.
(Mary Ann Liebert Inc., 2020)Objective: The aim of this study was to describe and evaluate the safety of hepatic resections for ovarian cancer liver metastases and the benefit in terms of survival as part of cytoreductive surgery among peritoneal ... -
Niveles de burnout y estrategias de afrontamiento en docentes de educación superior.
(Editorial Ciencias Medicas., 2020)Introduction: Health educators and general workers in the sector are among the people vulnerable to stress and burnout Objective: To discuss, based on the scientific literature, burnout levels and coping strategies in ... -
Factors associated with fatalism in the face of COVID-19 in 20 Peruvian cities in March 2020
(Universidad de Ciencias Medicas de La Hab., 2020)Introduction: The COVID-19 pandemic has generated diverse reactions, but these have not yet been measured in the Latin American population. Objective: To determine the factors associated with the perception of fatalism in ... -
Effect of corn supplementation on the expression of intramuscular fat genes.
(Biblioteca Universidad de Cordoba., 2020)Objective. The aim of the present study was to determine the effect of supplementing pasture-finished Braford steers with corn silage on the expression level of genes associated with intramuscular fat in longissimus dorsi ... -
Perspectives on corporate finance and the Peruvian stock market.
(Universidad Politecnica Salesiana., 2020)The degree of development of financial markets is an indicator of countries' economic growth. A financing alternative for companies is the placement of corporate bonds through the stock market; therefore, this study aims ... -
Arquitectura estratigráfica, paleogeografía y proveniencia sedimentaria de las rocas cenozoicas del sur de perú (Tacna, 18° s).
(Servicio Nacional de Geologia y Mineria., 2020)The Cenozoic rocks lying in the Province of Tacna (18° S), southern Perú, represent approximately 600 m of stratigraphic thickness. This stacking groups the Sotillo (Paleocene), Moquegua Inferior (Eocene), Moquegua Superior ... -
Reporte de dieta del Periquito de Cara Amarilla (Forpus xanthops) en el Bosque Tropical Estacionalmente Seco del Marañón, Perú.
(Facultad de Ciencias Biologicas, Universidad Nacional Mayor de San Marcos., 2020)Field observation records of Forpus xanthops are documented. Between 2013 and 2018, eight observations show F. xanthops feeding in various places in the seasonally dry tropical forest of the Marañón (BTES-Marañón) in ... -
Inclusión de una mezcla alimenticia con lupino, vicia, linaza y trigo en el lacto reemplazante para terneros machos Holstein cruzados-
(Universidad Nacional Mayor de San Marcos., 2020)The inclusion of a pre-mix of unconventional ingredients (PM-INC) with lupine, vicia, flaxseed and wheat as part of milk replacer (LR) was evaluated. Twenty-four newborn Holstein male calves, distributed in three treatments ... -
Efectos de la inclusión dietaria de harina de alfalfa sobre rendimiento productivo, carcasa y peso de órganos digestivos y linfoides del pollo de engorde tipo orgánico.
(Universidad Nacional Mayor de San Marcos., 2020)Two hundred and forty Hubbard female broilers were used from 35 to 84 days of age to study the effects of alfalfa meal (HA) on the productive performance, carcass characteristics, weight of digestive organs and weight of ... -
Efecto de la suplementación dietaria con vitamina C sobre el rendimiento productivo, estrés y respuesta inmunitaria del pavo criado en un ambiente hipóxico natural.
(Universidad Nacional de Trujillo., 2020)This research aimed to evaluate the effect of the addition of vitamin C in the diet of turkeys reared in a natural hypoxic environment (high Andean zone of Peru, 2750 masl), on productive performance, hematological values, ... -
Crecimiento, características de carcasa, peso de órganos internos y composición proximal de carne de seis genotipos de pollos criados en la región Andina del norte peruano.
(Universidad Nacional de Trujillo., 2020)This study examined the growth, carcass characteristics, weight of internal organs, meat quality and meat proximate composition in six genotypes of chickens reared in Andean region of northern Peruvian, with intensive ... -
Efecto de la alimentación sobre desempeño reproductivo de la cerda criolla cajamarquina durante los dos primeros ciclos reproductivos.
(Asociacion Peruana de Reprouduccion Animal., 2020)An experiment was conducted to evaluate the effects feeding in Cajamarca Black Creole sows on reproductive performance. Sows (24 nulliparous) were assigned randomly within to 2 treatments and maintained on these treatments ... -
Características del semen y desempeño reproductivo de cuyes nativos y mejorados en cruzamiento recíproco.
(Asociacion Peruana de Reprouduccion Animal., 2020)Guinea pig native genotype may not have high reproductive performance but may provide rusticity. In guinea pigs the offspring is born highly developed and gestation might be the most critical reproductive period in this ... -
Fasciola hepatica ectópica en pulmón de bovinos sacrificados en el Centro de Beneficio Municipal de Cajamarca, Perú.
(Universidad Nacional Mayor de San Marcos., 2020)The aim of this study was the evaluate the frequency and morphometric characterization of ectopic Fasciola hepatica in the lung. For this, 2066 lungs of cattle were evaluated in the municipal abattoir of Cajamarca, Peru, ...
