Photo of Air quality – odour

Nigel Penlington

Head of Environment and Buildings



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Air quality – odour

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Livestock and their manures/slurries emit odours which some people may find offensive. In some circumstances strong odours can cause a statutory nuisance, however, following good practice can minimise impacts.

Useful resources

Protecting our Water, Soil and Air: A Code of Good Agricultural Practice for farmers, growers and land managers (the ‘CoGAP’) (Defra) 

AHDB Pork Model Template no. 12 – Odour Management Plan

Code of Conduct for Odour Complaints (pig and poultry farms)

Pig Industry Good Practice Checklist: Reducing Odours from Pig Production

Odour Guidance for Local Authorities (Defra)

H4 Odour Management: How to comply with your environmental permit (Environment Agency)

Measuring Odour

The intensity and dispersion of odours is very complex. The science of measuring odour is called olfactometry.

For more information and photos of the process, click here