Reduction of ammonia emissions from dairy cattle cubicle houses via improved management - or design - bases strategies: A modeling approach

Luciano Mendes*, Jan G. Pieters, J.W. Snoek, N.W.M. Ogink, E. Brusselman, P. Demeyer

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

11 Citations (Scopus)

Abstract

Given the current scarcity of empirical data on ammonia (NH3) emissions from dairy cattle under different management-
based mitigation techniques, a modeling approach to assess potentialNH3 emission reduction factors is
needed. This paper introduces a process-based model that estimates NH3 emission reduction factors for a dairy
cattle barn featuring single or multiple management-based NH3 emission mitigation techniques, as compared
to another barn, to which no mitigation measure is applied. The model accounts for the following emission mitigation
measures: (a) floor scraping, (b) floor type, (c) floor flushing with water and (d) indoor acidification of
manure. Model sensitivity analysis indicated that manure acidification was the most efficient NH3 emission reduction
technique. A fair agreement was observed between reduction factors from the model and empirical estimates
found in the literature. We propose a list of combinations of techniques that achieve the largest
reductions. In order of efficiency, they are: (a) floor scraping combined with manure acidification (reduction efficiency
44–49%); (b) solid floor combined with scraping and flushing (reduction efficiency 21–27%); (c) floor
scraping combined with flushing and (d) floor scraping alone (reduction efficiency 17–22%). The model is
Original languageEnglish
Pages (from-to)520-531
JournalScience of the Total Environment
Volume574
DOIs
Publication statusPublished - 2017

Keywords

  • Ammonia emission
  • reduction
  • cubicle houses

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