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Provedor de dados:  REA
País:  Brazil
Título:  Control of ammonia emissions in naturally ventilated dairy cattle facilities in Portugal
Autores:  Pereira,José
Trindade,Henrique
Data:  2014-06-01
Ano:  2014
Palavras-chave:  Facilities
Gases
Methods
Floors
Mitigation techniques
Resumo:  We conducted a study of the processes associated to NH3 emission in naturally ventilated dairy cattle facilities, having described factors that regulate NH3 emission, as well as methodologies for measuring these emissions at these facilities. Appropriate techniques to mitigate NH3 emission in facilities located in regions with warm climates were also identified. The most effective mitigation techniques with simple implementation include strategies associated to: (i) installation design and flooring, which lead to reduced emissions, (ii) excreta pre-excretion, namely the use of diets with optimized crude protein content and increased milk production at farm level; and (iii) excreta post-excretion, particularly by changing the conditions of environmental monitoring within the premises, practice introduction or additive application in the management of excreta deposited on floors.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162014000300022
Editor:  Associação Brasileira de Engenharia Agrícola
Relação:  10.1590/S0100-69162014000300022
Formato:  text/html
Fonte:  Engenharia Agrícola v.34 n.3 2014
Direitos:  info:eu-repo/semantics/openAccess
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