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Browsing by Subject "Selection"

Now showing items 1-20 of 48

A comparison of reproductive traits of four maternal lines of rabbits selected for ltter size at weaning and founded on different criteria

Mohamed Ragab, Mohamed; Baselga Izquierdo, Manuel (Elsevier, 2011-04)

The objective of this study was to compare four Spanish maternal lines of rabbits (A, V. H and LP) on different criteria but selected for litter size at weaning, since their foundation until present for 39, 35, 16 and 4 ...
Algunas Tendencias Actuales en Educación Médica

Brailovsky, Carlos Alberto; Centeno, Ángel M (Universitat Politècnica de València, 2012-11-02)

[ES] Desde la revolución “flexneriana” de hace 100 años hubo muchos intentos de cambios en la enseñanza de la medicina y surgieron nuevas tendencias generales en educación médica. Principalmente surge la necesidad de ...
Análisis de los procesos y estudio de propuestas de mejora en una empresa de ganadería bovina dedicada a la producción de leche

Garcerá Bueso, Ramón (Universitat Politècnica de València, 2020-07-21)

[ES] El siguiente trabajo de fin de grado abordara un análisis y un estudio del funcionamiento de una explotación ganadera de vacuno. Para una comprensión del tipo de negocio y los diferentes procesos que se llevan a cabo ...
ANÁLISIS GENÉTICO DE LA GRASA INTRAMUSCULAR EN CONEJO-GENETIC ANALISYS OF INTRAMUSCULAR FAT IN RABBITS

Zomeño Segado, Cristina (Universitat Politècnica de València, 2013-07-15)

En esta tesis se aborda el estudio de la grasa intramuscular como característica determinante de la calidad de la carne para ser utilizado en programas genéticos. El conejo se plantea no sólo por su interés como especie ...
Breeding for the present and the future: achievements and constraints of conventional plant breeding and contributions of genomics to a new green revolution

Prohens Tomás, Jaime; Fita, Ana; Rodríguez Burruezo, Adrián; Raigón Jiménez, Mª Dolores; Plazas Ávila, María de la O; Vilanova Navarro, Santiago (Universidad de Estudios Agrícolas y Medicina Veterinaria Cluj-Napoca, 2011)

[EN] During the last century, conventional plant breeding, mostly based in the evaluation at the phenotypic level, has been very successful in increasing the crop yields and in consequence the global production of food. ...
CARACTERIZACIÓN, TIPIFICACIÓN, SELECCIÓN Y MEJORA GENÉTICA DE VARIEDADES VALENCIANAS DE TOMATE

Figás Moreno, María del Rosario (Universitat Politècnica de València, 2021-03-13)

[ES] El trabajo realizado en la presente tesis pretende contribuir a la puesta en valor de las variedades tradicionales valencianas de tomate. En primer lugar se aborda la caracterización de una colección de 69 entradas ...
Characterization of composition traits related to organoleptic and functional quality for the differentiation, selection and enhancement of local varieties of tomato from different cultivar groups

Figás Moreno, María del Rosario; Prohens Tomás, Jaime; Raigón Jiménez, Mª Dolores; Fita Fernández, Ana María; García Martínez, María Dolores; Casanova Calancha, Cristina; Borrás, Dionís; Plazas Ávila, María de la O; Andújar Pérez, Isabel; Soler Aleixandre, Salvador (Elsevier, 2015-11)

[EN] Tomato (Solanum lycopersicum) local varieties are having an increasing demand. We characterized 69 local tomato accessions from eight cultivar groups for proximate composition traits, major sugars, acids and ...
Comparison of degrees of maturity of rabbit lines selected for different traits

Pascual, M.; Calle Ayma, Eddy Wilfredo; Blasco Mateu, Agustín (Editorial Universitat Politècnica de València, 2015-09-30)

[EN] The aim of this work was to study whether commercial nucleus lines of rabbits selected for different traits, and experimental lines having commercial purposes, have the same degree of maturity when compared at the ...
Correlated responses to selection for intramuscular fat in several muscles in rabbits

Martinez Alvaro, Marina; Hernández, Pilar; Agha, Saif alla; Blasco Mateu, Agustín (Elsevier, 2018)

[EN] The aim of this study was to evaluate the effect of six generations of selection for intramuscular fat (IMF) in muscle Longissimus thoracis et lumborum (LTL) at 9 wk. in IMF and fatty acid (FA) composition of muscles ...
Efecto de la selección por ganancia media diaria durante el engorde sobre el crecimiento prenatal y postnatal en conejo

Estarlich Calatayud, Vicente (Universitat Politècnica de València, 2015-09-02)

[ES] La vitrificación es una técnica de conservación de embriones, que hace posible la evaluación del efecto de la selección genética en la ganancia media diaria de peso, comparando poblaciones de la misma línea que se ...
Efecto de la selección por ganancia media diaria durante el engorde sobre la calidad espermática

Rodríguez Capcha, Misael (Universitat Politècnica de València, 2017-01-19)

[EN] Commercial production of meat rabbit is based on obtain bait kits derived from the cross ing between two maternal lines and one paternal (three - way crossing). Currently , the hybrid females are ...
Effect of selection for growth rate on carcass composition and meat quality in rabbits

PASCUAL AMORÓS, MARÍA DE LOS DESAMPARADO (Universitat Politècnica de València, 2008-05-07)

The objective of the present thesis was to study the effect of the selection for growth rate on the carcass and meat quality of line R, which is a line of rabbits selected for growth rate between the 4th and 9th week of ...
Effect of selection for intramuscular fat on the fatty acid composition of rabbit meat

Martinez Alvaro, Marina; Blasco Mateu, Agustín; Hernández, Pilar (Cambridge University Press, 2018)

[EN] Intramuscular fat (IMF) content and composition are relevant for the meat industry due to their effect on human health and meat organoleptic properties. A divergent selection experiment for IMF of Longissimus dorsi ...
Embryologic changes in rabbit lines selected for litter size variability

Garcia, M.L.; Blasco Mateu, Agustín; Argente, M.J. (Elsevier, 2016)

[EN] A divergent selection experiment on litter size variability was carried out. Correlated response in early embryo survival, embryonic development, size of embryos, and size of embryonic coats after four generations of ...
Empirical research methodologies and studies in Requirements Engineering: How far did we come?

Daneva, Maya; Damian, Daniela; Marchetto, Alessandro; Pastor López, Oscar (Elsevier, 2014-09)

Since the inception of the RE conference series (1992), both researchers and practitioners in the RE community have acknowledged the significance of empirical evaluation as an instrument to gain knowledge about various ...
Energy balance and body reserves in rabbit females selected for longevity

Garreau, H.; Larzul, C.; Tudela, F.; Ruesche, J.; Ducrocq, V.; Fortun-Lamothe, L. (Universitat Politècnica de València, 2017-09-28)

[EN] The aim of this study was to compare the energy balance and dynamic of body reserves in rabbit females divergently selected for longevity. One hundred and twenty-nine females from a high longevity line (HL) and 131 ...
Enhancing conservation and use of local vegetable landraces: the Almagro eggplant (Solanum melongena L.) case study

Hurtado Ricart, María; Vilanova Navarro, Santiago; Plazas Ávila, María de la O; Gramazio, Pietro; Andújar Pérez, Isabel; Herraiz García, Francisco Javier; Castro, A.; Prohens Tomás, Jaime (Springer Verlag (Germany), 2014-04)

We have used the Almagro pickling eggplant landrace as a model for the enhancement of a local vegetable landrace. The programme has included characterization, selection, and breeding activities. Considerable intra-landrace ...
Environmental and genetic factors driving robustness in reproductive rabbit does

Savietto, Davi (Universitat Politècnica de València, 2014-04-30)

Selection strategies to increase productive traits of farm animals have been effective and highly specialized breeds and strains were obtained. At the same time, the effort made to obtain extremely high producing animals ...
Estimación de parámetros genéticos del flujo de leche en cabras Murciano-Granadinas de la Comunidad Valenciana

Blasco Civerio, Emilio (Universitat Politècnica de València, 2014-10-03)

[EN] The aim of this study was the analysis of the trait milk-flow during the first milking minute, using data from 996 Murciano-Granadina goats, belonging to 12 herds in the Valencian Community. During the lactations, two ...
Estudio de la supervivencia de los gazapos desde el nacimiento hasta el destete en varias líneas de selección en conejos

Pérez Pardo, Rubén (Universitat Politècnica de València, 2015-10-07)

[ES] El tamaño de camada es el principal carácter en importancia económica en conejo y por ello es objeto de selección en los programas comerciales; sin embargo, debido a su baja heredabilidad, la selección por tamaño de ...