# The Welfare of Farmed Animals (England) Regulations 2007, Paragraph 9: Noise


In all houses—
(a) the sound level must be minimised; and
(b) ventilation fans, feeding machinery or other equipment must be constructed, placed, operated and maintained in such a way that they cause the least possible amount of noise.

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Source: https://www.legislation.gov.uk/uksi/2007/2078/schedule/5A/paragraph/9 (the official version)
Page: https://openlegislation.uk/welfare-of-farmed-animals-england-regulations-2007/schedule-5A/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.