INFLUENCE OF ELEMENTS FOR CLOSING OF THE HALLS POULTRY PERFORMANCE PRODUCTIVE

Shelters for laying hens must be equipped with heat and a good ventilation system to ensure dimensional microclimate properly. In a paper presented how they influenced the roofs of two warehouses for the operation of breeding hens breed of heavy interior temperature increase which resulted in decreased performance productive. Roof hall 7 is the small space of air ventilated, two plates azbociment which is a vapor barrier of polyethylene film and a layer of thermo mineral. This wool layer has been destroyed over time by rodents, leading to loss of thermal capacity.9 Hall has a roof terrace type consists of a support plate of reinforced concrete layer equalization of cement mortar, a vapor barrier layer of expanded polystyrene thermo surface and a WARM hidroizolation.Between July 17 -18 August 2000, outside temperature varied between 23 and 39°C, which has overcome the technological limits of temperature in the two halls. Increase temperature in inside the two halls was affected differently depending on thermal capacity of roof. Decreased most productive performance was recorded at Hall 7, where the layer of thermo-mineral wool has been almost totally destroyed.