Godwin, RJ

Goodman, John

Hann, MJ

Pahl, Ole

Sneath, RW

Taylor, Lisa

Williams, AG

In Europe, new legislation on environmental protection is likely to require methods that reduce the emission of ammonia and odour from animal production. Animal housing is identified as one of the biggest ammonia emission sources in pig production, but abatement techniques for animal houses often require high initial cost. The aims of this study were to investigate the use of layers of oil and foam on slurry under slats. It was found that relatively low-cost used frying oil can be used to achieve reductions in ammonia emission (50% for weaning accommodation) and also in odour. The cost for this technique was £2.6 per pig place per year. Foam showed poor ammonia abatement potential

Reducing ammonia emissions from pig production - experiences with oil and foam as a cover material for slurry under slats

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