# The Welfare of Farmed Animals (Wales) Regulations 2001, Paragraph 13: Floors

Extent: E+W

When concrete slatted floors are used for pigs kept in groups the maximum width of the openings must be —
(a) 11mm for piglets;
(b) 14 mm for weaners;
(c) 18mm for rearing pigs;
(d) 20 mm for gilts after service and sows;
the minimum slat width must be —
(e) 50 mm for piglets and weaners;
(f) 80 mm for rearing pigs, gilts after service and sows.

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Source: https://www.legislation.gov.uk/wsi/2001/2682/schedule/6/paragraph/13 (the official version)
Page: https://openlegislation.uk/welfare-of-farmed-animals-wales-regulations-2001/schedule-6/paragraph-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.