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Browsing by Author "Estellés Barber, Fernando"

Now showing items 1-20 of 70

A meta-analysis of environmental factor effects on ammonia emissions from dairy cattle houses

Sanchis Jiménez, Elena María; Calvet, S.; Del Prado, Agustín; Estellés, F. (Elsevier, 2019-02)

[EN] Livestock housing is one of the main sources of ammonia (NH3) emissions from agriculture. Different management and environmental factors are known to affect NH3 emissions from housing systems. The aim of this study ...
Ammonia and greenhouse gas emissions from an enriched cage laying hen facility

Alberdi, O.; Arriaga, H.; Calvet, S.; Estellés, F.; Merino, Pilar (Elsevier, 2016-04)

[EN] Ammonia, methane, nitrous oxide and carbon dioxide emissions were measured during a complete production cycle in an enriched cage laying hen facility under Oceanic climate conditions. Continuous monitoring of gas ...
Ammonia and Greenhouse Gas emissions from laying hen house in Spain

Alberdi Arrieta, Oier (Universitat Politècnica de València, 2015-02-25)

[EN] Ammonia, methane, nitrous oxide and carbon dioxide were measured during a complete productive cycle in a laying hen facility under typical Atlantic conditions. Continuous monitoring of gas concentration, ventilation ...
Ammonia Emission Quantification from Pig Slurry Using Acid Wet Traps: Evaluation and Optimization of Measurement Frequency

Antezana-Julián, Walter Orestes; Ferrer Riera, Pablo; Cambra López, María; Estellés, F.; Calvet, S. (Springer-Verlag, 2016)

[EN] Standardized measurement protocols are required to reduce ammonia (NH3) emissions. In vitro measurement of NH3 emissions consists in trapping the emission from an emitting source in an acidic solution under controlled ...
Análisis de los factores que influyen en las emisiones de amoniaco y metano de purines porcinos: composición del purín y factores nutricionales

Antezana Julián, Walter Orestes (Universitat Politècnica de València, 2017-06-22)

[EN] This PhD Thesis focuses on characterizing potential emissions of ammonia (NH3) and methane (CH4) from pig slurries. In particular, it analyses the relationships between nutrient consumption and excretion, slurry ...
Análisis de riesgos laborales en la granja de pequeños rumiantes de la Universitat Politècnica de València

Gadea Fajardo, José Luis (Universitat Politècnica de València, 2016-05-27)

[EN] In those professional activities in which people have contact with animals, employees have a hygienic risk associated with zoonoses, a group of animal diseases which can be transmitted to humans by direct contact with ...
Behavioural characterisation of Holstein steers in three different production systems

Blumetto Velazco, Oscar Ricardo; Ruggia, A.; Dalmau, A.; Estellés Barber, Fernando; Villagrá García, Aránzazu (CSIRO Publishing, 2016)

The objective of the present study was to characterise the behaviour of Holstein steers in three different production systems. Forty-eight castrated Holstein males were randomly divided into three groups and allocated to ...
Caracterización de las explotaciones porcinas y avícolas de carne de la Comunidad Valenciana

Martínez Granell, María del Mar (Universitat Politècnica de València, 2015-12-03)

[EN] Poultry production is one of the main livestock related activities in Spain, being the most consumed fresh meat and the second, behind pork, when looking at total (including processed meat) consumption. On the other ...
Caracterización productiva y ambiental de un sistema semi-extensivo de engorde de cerdos en condiciones de sequía en Uruguay

Blumetto Velazco, Oscar Ricardo; Calvet Sanz, Salvador; Estellés, F.; Villagrá García, Aránzazu; Torres Salvador, Antonio Germán (Asociación Interprofesional para el Desarrollo Agrario, 2012)

[EN] In Uruguay, different pig production systems coexist: confinement systems and pastoral systems. These systems differ in terms of production costs, animal welfare and environmental impacts. On the other hand, droughts ...
CFD model for ventilation assessment in poultry houses with different distribution of windows

Guerra Galdo, Eva Hilda; Calvet Sanz, Salvador; Estellés Barber, Fernando; López Jiménez, Petra Amparo (International Energy and Environment Foundation, 2015)

The design of structures for animal husbandry has energy and environmental implications. Particularly, the design of broiler houses should consider the comfort of animals in different situations, which is crucial for ...
Characterization of gas emissions from a Mediterranean broiler farm

Calvet Sanz, Salvador; Cambra López, María; Estellés, F.; Torres Salvador, Antonio Germán (Poultry Science Association, 2011)

[EN] Gas emissions from broiler production have been the subject of intensive research. However, little experimental information exists for farms under the particular management and environmental conditions of the European ...
Characterization of the indoor environment and gas emissions in rabbit farms

Calvet Sanz, Salvador; Cambra López, María; Estellés Barber, Fernando (World Rabbit Science. ICTA. UPV, 2011)

[EN] There is a need to characterize gas concentrations and emissions from rabbit production. A study was conducted in order to determine ammonia, nitrous oxide and carbon dioxide concentrations and emissions in three ...
Climatización y control ambiental en avicultura

Estellés Barber, Fernando; Bustamante García, Eliseo; Calvet Sanz, Salvador (Grupo Asís Biomedia, S.L., 2013)
Comparison of extensive and intensive pig production systems in Uruguay in terms of ethologic, physiologic and meat quality parameters

Blumetto, O.; Calvet Sanz, Salvador; Estellés Barber, Fernando; Villagrá García, Aránzazu (REVISTA BRASILEIRA ZOOTECNIA BRAZILIAN JOURNAL ANIMAL SCI, UNIVERSIDADE FEDERAL VICOSA,, VICOSA-MG,, 2013)

[EN] The objective of this work is to characterize two contrasting systems of fattening pigs in Uruguay. A total of 96 pigs (average 41.7 kg) were divided into eight groups of 12 animals, representing two production systems: ...
Composition, potential emissions and agricultural value of pig slurry from Spanish commercial farms

Antezana-Julian, Walter Orestes; Blas, Carlos de; García-Rebollar, P.; Rodríguez, C.; Beccaccia, A.; Ferrer Riera, Pablo; Cerisuelo, A.; Moset Hernández, Verónica; Estellés, F.; Cambra López, María; Calvet, S. (Springer-Verlag, 2016)

[EN] Pig slurry is a valuable fertilizer for crop production but at the same time its management may pose environmental risks. Slurry samples were collected from 77 commercial farms of four animal categories (gestating and ...
Computational Fluid Dynamics analysis applied to engineering and design of poultry farms

Guerra Galdo, Eva Hilda; Estellés Barber, Fernando; Calvet Sanz, Salvador; López Jiménez, Petra Amparo (International Energy and Environment Foundation, 2016)

The shape of a poultry building and the distribution of its elements (roof, windows distribution, and window opening) influence the velocity and temperature distribution inside the building and therefore the thermal ...
Desarrollo de estrategias de manejo para reducir el uso de antibióticos en pollos de engorde (broilers)

Ramón Moragues, Adrián (Universitat Politècnica de València, 2020-01-02)

[EN] The use of antibiotics in animal production and in poultry meat production in particular has increased in recent decades. This excessive use of antibiotics has led to the emergence of microbial resistances, thus ...
Desarrollo de las competencias transversales en los estudios de ingeniería agronómica: resultados de 5 años de seguimiento

Calvet Sanz, Salvador; Cambra López, María; Estellés Barber, Fernando (Editorial Universitat Politècnica de València, 2015-07-10)

[EN] This study covers 5 years of systematic surveys of self-perception of students about some core skills. The study incudes all students of 3rd year of Agricultural Engineering (currently Graduate on Agricultural and ...
Desarrollo de un modelo de cálculo de Huella de Carbono para la producción porcina en España

Arias Polo, Isabel (Universitat Politècnica de València, 2016-10-18)

[ES] El sector porcino es el principal sector en cuanto a producción final ganadera en España. Se trata además de un sector en constante crecimiento y con unas implicaciones ambientales evidentes dadas las emisiones de ...
Desarrollo de un prototipo de alojamiento de maternidad en porcino para la mejora del bienestar animal

Tomás Esteban, Alejandro (Universitat Politècnica de València, 2015-10-07)

[ES] El trabajo se basa en el desarrollo de un sistema de alojamiento para cerdas en maternidad o lactación con los lechones hasta el destete buscando una mejora de las condiciones de bienestar de las cerdas, que en los ...