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  • 1
    Publication Date: 2012-01-01
    Description: Growth is a priority trait from the point of view of genetic improvement. Molecular markers linked to quantitative trait loci (QTL) have been regarded as useful for marker-assisted selection in complex traits as growth. Polymorphisms have been studied in five candidate genes influencing growth in gilthead seabream (Sparus aurata): the growth hormone (GH), insulin-like growth factor-1 (IGF-1), myostatin (MSTN-1), prolactin (PRL), and somatolactin (SL) genes. Specimens evaluated were from a commercial broodstock comprising 131 breeders (from which 36 males and 44 females contributed to the progeny). In all samples eleven gene fragments, covering more than 13,000 bp, generated by PCR-RFLP, were analyzed; tests were made for significant associations between these markers and growth traits. ANOVA results showed a significant association betweenMSTN-1gene polymorphism and growth traits. Pairwise tests revealed several RFLPs in theMSTN-1gene with significant heterogeneity of genotypes among size groups.PRLandMSTN-1genes presented linkage disequilibrium. TheMSTN-1gene was mapped in the centromeric region of a medium-size acrocentric chromosome pair.
    Print ISSN: 2356-6140
    Electronic ISSN: 1537-744X
    Topics: Natural Sciences in General
    Published by Hindawi
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  • 2
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    Instituto Universitario de Innovación Ciencia y Tecnología Inudi Perú
    Publication Date: 2022-11-07
    Description: This book is an adaptation of a research presented at the Micaela Bastidas National University of Apurímac (Peru), whose objective was to determine the level of leadership of the municipal administration for the period 2018-2020, from the perspective of the citizens and servants of the municipality of Abancay (Peru). The findings of this study were based on a basic descriptive level research, within a non-experimental cross-sectional design, considering that objective results were sought, the approach was quantitative, for this purpose an appropriate questionnaire was developed for the public servant and another for the citizen that contains items for the dimensions of citizen security, public cleaning, execution of public works, and taxation system. These instruments were administered to a sample of 172 public servants between appointed and contracted, and 245 citizens, it being important to point out that the determination of the sample size was stratified probabilistic. For the contrasting of the hypothesis for being a comparative study with ordinal data, it was through the Mann Whitney U test whose inferential results allowed us to conclude that from the perspective of the citizen in 88% with respect to the leadership of the municipal management who point out that the leadership is not adequate, while public servants indicate that it is almost always or always adequate (53.9% and 23.26% respectively). The inferential analysis allows us to affirm that there is a significant difference between the perceptions of both groups.
    Description: Published
    Description: Este libro es una adaptación de una investigación presentada en la Universidad Nacional Micaela Bastidas de Apurímac (Perú), cuyo objetivo fue determinar el nivel de liderazgo de la gestión edil periodo 2018-2020, desde la perspectiva de los ciudadanos y servidores de la municipalidad de Abancay (Perú). Los hallazgos de este estudio se basaron, en una investigación básica de nivel descriptivo, dentro de un diseño no experimental transversal, considerando que se buscó obtener resultados objetivos, el enfoque fue cuantitativo, para este fin se elaboró un cuestionario apropiado para el servidor público y otro para el ciudadano que contienen ítem para las dimensiones de seguridad ciudadana, limpieza pública ejecución de obras públicas, y sistema de tributación. Estos instrumentos fueron administrados a una muestra de 172 servidores públicos entre nombrados y contratados, y 245 ciudadanos, siendo importante señalar que la determinación del tamaño de la muestra fue probabilístico estratificado. Para la contrastación de la hipótesis por ser un estudio comparativo con datos ordinales fue a través de la prueba U de Mann Whitney cuyos resultados inferenciales permitieron concluir que desde la perspectiva del ciudadano en un 88% respecto al liderazgo de la gestión edil quienes señalan que el liderazgo no es adecuado, mientras que los servidores públicos señalan que si es casi siempre o siempre adecuado (53,9% y 23,26% respectivamente). El análisis inferencial permite afirmar que existe una diferencia significativa entre las percepciones de ambos grupos.
    Keywords: liderazgo político ; gestión edil ; servidor público ; bic Book Industry Communication::G Reference, information & interdisciplinary subjects::GT Interdisciplinary studies::GTN Institutions & learned societies: general
    Language: Spanish
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