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Listar por autor "Martínez Álvaro, Marina"

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Análisis de Factores de Manejo en la Producción de la Granja Riña: Orden de Parto, Tipo de Lecho y Predicciones de Producción

Traver Rojano, Rubén (Universitat Politècnica de València, 2024-10-10)

[ES] El objetivo de este estudio es evaluar cómo mejorar la producción en la Granja Riña a través de 3 sub-estudios. El primero es investigar la influencia del orden de parto, estación y origen genético en caracteres de ...
Comprehensive functional core microbiome comparison in genetically obese and lean hosts under the same environment

MARTINEZ ALVARO, MARINA; Zubiri-Gaitán, Agostina; Hernández, Pilar; Greenacre, Michael; Ferrer, Alberto; Blasco Mateu, Agustín (Springer Nature, 2021-11-01)

[EN] Our study provides an exhaustive comparison of the microbiome core functionalities (captured by 3,936 microbial gene abundances) between hosts with divergent genotypes for intramuscular lipid deposition. After 10 ...
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 ...
Correlated Responses to Selection for Intramuscular Fat on the Gut Microbiome in Rabbits

Martínez-Álvaro, Marina; Zubiri-Gaitán, Agostina; Hernández, Pilar; Casto-Rebollo, Cristina; Ibáñez-Escriche, Noelia; Santacreu, María-Antonia; Artacho, Alejandro; Pérez-Brocal, Vicente; Blasco Mateu, Agustín (MDPI AG, 2024-07)

[EN] Intramuscular fat (IMF) content is important for meat production and human health, where the host genetics and its microbiome greatly contribute to its variation. The aim of this study is to describe the consequences ...
Detección del estrés metabólico en ovejas gestantes a través del análisis de espectroscopia de infrarrojo medio de la leche

Marín Gómez, Juan (Universitat Politècnica de València, 2023-09-15)

[ES] El estrés metabólico en rumiantes presenta unos valores medios de diagnóstico clínicos del 10% aproximadamente y subclínicos del casi el 50%. Por norma general los casos estrés metabólico no atendidos terminan por ...
Different microbial genera drive methane emissions in beef cattle fed with two extreme diets

Miller, Gemma A.; Auffret, Marc D.; Roehe, Rainer; Nisbet, Holly; Martínez-Álvaro, Marina (Frontiers Media SA, 2023-04-13)

[EN] The ratio of forage to concentrate in cattle feeding has a major influence on the composition of the microbiota in the rumen and on the mass of methane produced. Using methane measurements and microbiota data from 26 ...
Divergent selection for residual variance of litter size in rabbits

Martínez Álvaro, Marina (Universitat Politècnica de València, 2014-09-24)

[EN] The aim of this study was to carry out a divergent selection experiment directly by residual variance of litter size in rabbits, as an observed trait, and to study the existence of a genetic component controlling the ...
Divergent selection on intramuscular fat in rabbits: Responses to selection and genetic parameters

Martínez Álvaro, Marina; Hernández, Pilar; Blasco Mateu, Agustín (American Society of Animal Science, 2016)

[EN] A divergent selection experiment on intramuscular fat (IMF) was performed in rabbits. The aim of this study is to estimate the response to selection, the correlated responses in carcass and meat quality traits, and ...
Efecto de la selección por contenido en grasa intramuscular sobre las características sensoriales de la carne de conejo

Penalba Cortés, Vicent (Universitat Politècnica de València, 2016-11-03)

[EN] The aim of this work was to study the effect of divergent selection for intramuscular fat (GIM) content on sensory quality of the Longissimus dorsi (LD) muscle of rabbits at 9 and 13 weeks of age. Fifty six rabbits ...
Efecto de la selección por grasa intramuscular en la cantidad de grasa y perfil de ácidos grasos del hígado en conejo

Ccalta Hancco, Ruth (Universitat Politècnica de València, 2019-10-23)

[ES] La grasa intramuscular tiene un gran efecto en las propiedades sensoriales de la carne ya que afecta su terneza, jugosidad y flavor. Se ha realizado un experimento de selección divergente para IMF en el músculo ...
Effect of divergent selection for intramuscular fat on sensory traits and instrumental texture in rabbit meat

Martínez Álvaro, Marina; Penalba-Cortes, Vicent; Blasco Mateu, Agustín; Hernández, Pilar (American Society of Animal Science, 2016)

[EN] Intramuscular fat (IMF) is one of the main parameters affecting meat quality. This work analyzes the effect of selection for IMF on sensory attributes and instrumental texture parameters in rabbit meat. A total of 115 ...
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 ...
Identification of Complex Rumen Microbiome Interaction Within Diverse Functional Niches as Mechanisms Affecting the Variation of Methane Emissions in Bovine

Martínez-Álvaro, Marina; Auffret, Marc D.; Stewart, Robert D.; Dewhurst, Richard J.; Duthie, Carol-Anne; Rooke, John A.; Wallace, R. John; Shih, Barbara; Freeman, Tom C.; Watson, Mick; Roehe, Rainer (Frontiers Media SA, 2020-04-17)

[EN] A network analysis including relative abundances of all ruminal microbial genera (archaea, bacteria, fungi, and protists) and their genes was performed to improve our understanding of how the interactions within the ...
Identification of intestinal and faecal microbial biomarkers using a porcine social stress model

Nguyen, Tuan Q.; Martínez-Álvaro, Marina; Lima, Joana; Auffret, Marc D.; Rutherford, Kenneth M. D.; Simm, Geoff; Dewhurst, Richard J.; Baima, Eric T.; Roehe, Rainer (Frontiers Media SA, 2023-11-09)

[EN] Understanding the relationships between social stress and the gastrointestinal microbiota, and how they influence host health and performance is expected to have many scientific and commercial implementations in ...
Innovación en el aprendizaje estadístico: inferencia bayesiana amigable en el lenguaje de programación R

Martinez Alvaro, Marina; Casto-Rebollo, Cristina (Editorial Universitat Politècnica de València, 2023-10-06)

[EN] This paper presents the results of the first year of the implementation of the runRabbit program as an innovation tool in learning Bayesian inference applied to the subject of Quantitative Genetics III. The challenge ...
KOunt : A reproducible KEGG orthologue abundance workflow

Mattock, Jennifer; Martínez-Álvaro, Marina; Cleveland, Matthew; Roehe, Rainer; Watson, Mick (Oxford University Press, 2023)

[EN] Accurate gene prediction is essential for successful metagenome analysis. We present KOunt, a Snakemake pipeline, that precisely quantifies KEGG orthologue abundance.
Liver metabolism traits in two rabbit lines divergently selected for intramuscular fat

Martinez Alvaro, Marina; Paucar, Y.; Satué, K.; Blasco Mateu, Agustín; Hernández, Pilar (Cambridge University Press, 2018)

[EN] Intramuscular fat (IMF) has a large effect in the sensory properties of meat because affects tenderness, juiciness and flavour. A divergent selection experiment for IMF in Longissimus dorsi (LD) muscle was performed ...
Modelos de predicción de emisiones de metano en vacuno de carne con datos de microbiota y métodos de aprendizaje automático

Sáez Torillo, Santiago Nicolás (Universitat Politècnica de València, 2024-08-02)

[ES] La industria cárnica tiene un interés urgente en desarrollar estrategias para mejorar la eficiencia de la producción de carne y al mismo tiempo minimizar las emisiones de metano. La selección de animales para reducir ...
Muscle metabolism in two rabbit lines divergently selected for intramuscular fat

Martínez Álvaro, Marina; Agha, saif alla; Blasco Mateu, Agustín; Hernández, Pilar (American Society of Animal Science, 2017)

[EN] A divergent selection experiment for intramuscular fat (IMF) of Longissismus dorsi muscle at 9 wk of age was performed in rabbits. The objective of this work was to compare the lipid metabolism in muscles and fat ...
Selección divergente por contenido en grasa intramuscular conejo

Martínez Álvaro, Marina (Universitat Politècnica de València, 2017-05-08)

A divergent selection experiment on intramuscular fat (IMF) content was performed in rabbits during eight generations. Selection criterion was the averaged phenotypic value of IMF measured in Longissimus dorsi (LD) muscle ...