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Dairy cattle-slurry treatment technologies: towards an integrating approach of crop production, animal feeding and environmental impacts

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dc.contributor.authorRodrigues, A.
dc.contributor.authorGomes, A.
dc.contributor.authorFerreira, L.
dc.contributor.authorTrindade, H.
dc.contributor.authorFonseca, A.
dc.contributor.authorPereira, J.
dc.date.accessioned2016-11-30T10:08:29Z
dc.date.available2016-11-30T10:08:29Z
dc.date.issued2016
dc.description.abstractDairy cattle farms have a well-known environmental impact that affects all ecological compartments: air, soil, water and biosphere [1]. Dairy cattle farming are a significant source of anthropogenic gases from enteric fermentation, manure storage and land application, mainly ammonia (NH3), nitric oxide (NO), nitrous oxide (N2O), carbon dioxide (CO2) and methane (CH4). The emission of such gases represents not only an environmental problem but also leads to energy and nitrogen (N) losses in ruminant production systems [2-5]. Several efforts are required on the development of new technologies and strategies that mitigate gaseous emissions, N losses and improve the efficiency of the energy and N cycles [6, 7]. In the Northwest of Portugal, dairy cattle production has a major impact on the economy, with strong repercussions at national scale. Therefore, our Ph.D. thesis project aims to: a) Study natural supplements as additives in the dairy cattle diet towards a decrease in GHG emissions from feeding operations; b) Compare commercial dairy cattle diets with and without additives on gaseous emissions from manure deposited in a simulated concrete floor; c) Assess the concentrations and emissions of NH3 and greenhouse gases from commercial dairy cattle facilities; d) Evaluate the effects of different additives on lowering gaseous emissions from dairy cattle excreta, using a laboratory system simulating a dairy house concrete floor.pt_PT
dc.identifier.citationRodrigues, A.R., Gomes, A., Ferreira, L., Trindade, H., Fonseca, A.J.M. & Pereira, J.L. ( 2016, setembro). “Dairy cattle-slurry treatment technologies: towards an integrating approach of crop production, animal feeding and environmental impacts”. Poster apresentado no III Workshop Science Animal Doctoral Programme no Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto.pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.19/3471
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherUniversidade do Portopt_PT
dc.subjectDairy cattle farmspt_PT
dc.subjectenvironmental impactpt_PT
dc.titleDairy cattle-slurry treatment technologies: towards an integrating approach of crop production, animal feeding and environmental impactspt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceUniversidade do Porto, Portugalpt_PT
oaire.citation.titleAnimal Science Doctoral Programme - III Workshoppt_PT
rcaap.rightsrestrictedAccesspt_PT
rcaap.typeconferenceObjectpt_PT

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