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dc.contributor.author | Fernández Martínez, Carlos Javier | es_ES |
dc.contributor.author | Espinos Gutierrez, Francisco Juan | es_ES |
dc.contributor.author | López Luján, Mª del Carmen | es_ES |
dc.contributor.author | García Diego, Fernando Juan | es_ES |
dc.contributor.author | Cervera Fras, Mª Concepción | es_ES |
dc.date.accessioned | 2015-11-02T08:24:58Z | |
dc.date.available | 2015-11-02T08:24:58Z | |
dc.date.issued | 2013-02 | |
dc.identifier.issn | 0168-1699 | |
dc.identifier.uri | http://hdl.handle.net/10251/56827 | |
dc.description.abstract | Ruminants may contribute to global warming through the release of methane (CH4) gas by enteric fermentation. Most CH4 emissions from ruminants are estimated using simple regression equations. Thus a mechanistic dynamic model to predict CH4 output by goats was developed by using a computer-aided simulation device via object-oriented modeling. The model was structured into seven stocks; body weight, feed, metabolism, milk, methane and reserves (with two stocks). The goat model was set up to simulate indoor facilities in which the goat was fed a mixed ration. Then, 24 goats were used to evaluate the model during 150 days of lactation. A calorimetry system based on an open circuit respiration mask was used for quantification of respiratory CH4 production, as a way to validate the CH4 simulated. The mathematical simulation model estimated an average CH4 conversion factor (Ym) value of 5.3%, and an average daily CH4 production of 1.55 MJ/d. The average daily CH4 production for the validation group of goats was 1.51 MJ/d. Based on our simulation over 5 months of lactation for a mixed diet, use of the Intergovernmental Panel for Climate Change values (Ym = 6.5) could result in an overestimation of enteric CH4 for dairy goats fed concentrate diets. | es_ES |
dc.description.sponsorship | This study was support by INIA Project (Ref. RTA2011-00107-C02-02). | en_EN |
dc.language | Inglés | es_ES |
dc.publisher | Elsevier | es_ES |
dc.relation.ispartof | Computers and Electronics in Agriculture | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject | Calorimetry | es_ES |
dc.subject | Methane | es_ES |
dc.subject | STELLA | es_ES |
dc.subject | LabVIEW | es_ES |
dc.subject | Goats | es_ES |
dc.subject.classification | BIOLOGIA ANIMAL | es_ES |
dc.subject.classification | PRODUCCION ANIMAL | es_ES |
dc.subject.classification | FISICA APLICADA | es_ES |
dc.subject.classification | NUTRICION Y BROMATOLOGIA | es_ES |
dc.title | Representation of a mathematical model to predict methane output in dairy goats | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1016/j.compag.2012.11.013 | |
dc.relation.projectID | info:eu-repo/grantAgreement/MICINN//RTA2011-00107-C02-02/ES/Utilización de los carbohidratos de la dieta como indicadores técnicos de la producción de metano en rumiantes lecheros/ | es_ES |
dc.rights.accessRights | Cerrado | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Ciencia Animal - Departament de Ciència Animal | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Instituto de Ciencia y Tecnología Animal - Institut de Ciència i Tecnologia Animal | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Física Aplicada - Departament de Física Aplicada | es_ES |
dc.description.bibliographicCitation | Fernández Martínez, CJ.; Espinos Gutierrez, FJ.; López Luján, MDC.; García Diego, FJ.; Cervera Fras, MC. (2013). Representation of a mathematical model to predict methane output in dairy goats. Computers and Electronics in Agriculture. 91:1-9. https://doi.org/10.1016/j.compag.2012.11.013 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1016/j.compag.2012.11.013 | es_ES |
dc.description.upvformatpinicio | 1 | es_ES |
dc.description.upvformatpfin | 9 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 91 | es_ES |
dc.relation.senia | 255306 | es_ES |
dc.contributor.funder | Ministerio de Ciencia e Innovación | es_ES |