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The following general principles and procedures shall be applied for the cleansing, disinfection and treatment provided for in Article 48: the cleansing and disinfection and, where necessary, the measures to destroy rodents and insects must be carried out under official supervision and in accordance with the instructions given by the official veterinarian; the disinfectants to be used and their concentrations must be authorised by the competent authority to ensure the destruction of avian influenza virus; disinfectants should either be used in accordance with the recommendations of the manufacturer where provided or in accordance with the instructions of the official veterinarian and/or the instructions of the competent authority, if any; the choice of disinfectants and of procedures for disinfection must be made taking into account the nature of the holdings, vehicles and objects which are to be treated; the conditions under which degreasing agents and disinfectants are used must ensure that their efficacy is not impaired; in particular, technical parameters indicated by the manufacturer, such as pressure, minimum temperature and required contact time must be observed; irrespective of the disinfectant used, the following general rules shall be applied: a thorough soaking of bedding and litter, as well as faecal matter, with the disinfectant; washing and cleansing by careful brushing and scrubbing of the ground, floors, ramps and walls following the removal or dismantling, where possible, of equipment or installations otherwise impairing the effective cleansing and disinfection procedures; then, further application of disinfectant for a minimum contact time as stipulated in the manufacturer’s recommendations; where washing is carried out with liquids applied under pressure, re-contamination of the previously cleansed parts must be avoided; washing, disinfecting or destroying of equipment, installations, articles or anything likely to be contaminated must be envisaged; following disinfection procedures, re-contamination must be avoided; cleansing and disinfection as required in the framework of this Directive must be documented in the holding or vehicle register and, where official approval is required, be certified by the supervising official veterinarian or person under his supervision; cleansing and disinfection of vehicles used for transport and by staff.

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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.