# The Welfare of Farmed Animals (England) Regulations 2007, Paragraph 5

Extent: E+W

Cages must be at least 40 cm high over at least 65% of the cage area and not less than 35 cm at any point, the area being obtained by multiplying 550 cm² by the number of birds kept in the cage.

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Source: https://www.legislation.gov.uk/uksi/2007/2078/schedule/3/paragraph/5 (the official version)
Page: https://openlegislation.uk/welfare-of-farmed-animals-england-regulations-2007/schedule-3/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.