Paragraph 5 Requirements for higher stocking densities

The requirements of this paragraph are that the keeper must—

(a)

maintain and, on request, make available documentation in the house giving a detailed description of the production systems, including information on technical details of the house and its equipment, including—

(i)

a plan of the house including the dimensions of the surfaces occupied by the chickens;

(ii)

ventilation and any relevant cooling and heating system (including their location), and a ventilation plan, detailing target air quality parameters (such as airflow, air speed and temperature);

(iii)

feeding and watering systems (and their location);

(iv)

alarm and backup systems in the event of a failure of any equipment essential for the health and well-being of the chickens;

(v)

floor type and type of litter normally used; and

(vi)

records of technical inspections of the ventilation and alarm systems;

(b)

keep the documentation referred to in sub-paragraph (a) updated;

(c)

ensure that each house of a holding is equipped with ventilation and, if necessary, heating and cooling systems designed, constructed and operated in such a way that—

(i)

the concentration of ammonia does not exceed 20 parts per million and the concentration of carbon dioxide does not exceed 3000 parts per million, when measured at the level of the chickens’ heads;

(ii)

when the outside temperature measured in the shade exceeds 30ºC, the inside temperature does not exceed the outside temperature by more than 3ºC; and

(iii)

when the outside temperature is below 10ºC, the average relative humidity measured inside the house during a continuous period of 48 hours does not exceed 70%.