# The Welfare of Farmed Animals (Scotland) Regulations 2010, Paragraph 10: Light

Extent: S

(1) All houses must have lighting with an intensity of at least 20 lux during the lighting periods, measured at bird eye level and illuminating at least 80% of the usable area.
(2) A temporary reduction from that lighting level is permitted where necessary following veterinary advice.
(3) Within 7 days from the time when the chickens are placed in the house and until 3 days before the expected time of slaughter, the lighting must follow a 24-hour rhythm and include periods of darkness lasting at least 6 hours in total, with at least one uninterrupted period of darkness of at least 4 hours, excluding dimming periods.

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Source: https://www.legislation.gov.uk/ssi/2010/388/schedule/2/paragraph/10 (the official version)
Page: https://openlegislation.uk/welfare-of-farmed-animals-scotland-regulations-2010/schedule-2/paragraph-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.