(b)
Codified version
Buildings must be protected against birds coming from outside and rodents; floors and walls must be of hard-wearing, impervious and washable materials; natural or artificial lighting and air flow and temperature systems must be of an appropriate type; provision must be made for the hygienic evacuation of waste (eggs and chicks).
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Source: EUR-Lex (Cellar) · retrieved 2026-11-04 · Text as adopted (Official Journal); later amendments are not incorporated in this text.