mesh construction or any combination of thereof provided that:

(i) All spaces in wire mesh shall be smaller than the pads of the foot of any animal confined therein;

(ii) Any such wire mesh shall be of a thickness and design adequate to prevent injury to any such animal; and

(iii) Such floor shall be of sufficient strength to support the weight of any such animal.

(d) Be equipped with receptacles for food and for water, so mounted or situated that they cannot be easily overturned or contaminated and be constructed in such a way that it is not injurious to the animal.