# The Welfare of Farmed Animals (Wales) Regulations 2007, Paragraph 20: Automatic or mechanical equipment

Extent: E+W

Where the health and well-being of the animals is dependent on an artificial ventilation system—
(a) provision must be made for an appropriate back-up system to guarantee sufficient air renewal to preserve the health and well-being of the animals in the event of failure of the system; and
(b) an alarm system (which will operate even if the principal electricity supply to it has failed) must be provided to give warning of any failure of the system.

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Source: https://www.legislation.gov.uk/wsi/2007/3070/schedule/1/paragraph/20 (the official version)
Page: https://openlegislation.uk/welfare-of-farmed-animals-wales-regulations-2007/schedule-1/paragraph-20
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.