# The Welfare of Farmed Animals (Scotland) Regulations 2000, Paragraph 1


All cages must comply with the following requirements–
(a) the cage area, measured in a horizontal plane, for each laying hen must not be less than–
(i) 1000 cm2 where one hen is kept in the cage;
(ii) 750 cm2 where two hens are kept in the cage;
(iii) 550 cm2 where three hens are kept in the cage, and
(iv) 450 cm2 where four or more hens are kept in the cage;
(b) the minimum cage area for each laying hen must be capable of being used without restriction and may include the area where the non-waste deflection plate (otherwise known as the egg guard) is placed so long as that area is capable of being so used;
(c) a feed trough of a length not less than 10 cm multiplied by the number of hens in the cage and capable of being used without restriction must be provided;
(d) except where nipple drinkers and drinking cups are provided, the cage must have a continuous drinking channel which shall not be less than 10 cm multiplied by the number of hens in the cage, and capable of being used without restriction;
(e) where drinking points are plumbed in, there must be a minimum of two nipple drinkers or two drinking cups within reach of the cage;
(f) the height of the cage, for 65% of its area, must not be less than 40 cm, and, for the remainder of the area, must not be less than 35 cm (the height being obtained by a vertical line from the floor to the nearest point in the roof and the area being obtained by multiplying 450 cm2 by the number of birds kept in the cage);
(g) the floor of the cage must be constructed so as to support adequately each of the forward facing claws of each foot; and
(h) the slope of the floor must not exceed 14% or 8 degrees, when made of rectangular wire mesh, and 21.3% or 12 degrees for other types of floor.

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Source: https://www.legislation.gov.uk/ssi/2000/442/schedule/2/paragraph/1 (the official version)
Page: https://openlegislation.uk/welfare-of-farmed-animals-scotland-regulations-2000/schedule-2/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.