| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilation structure of a poultry house capable of smoothly performing ventilation in case of power outage.SOLUTION: A ventilation structure 1 comprises: a vent hole 20 formed at an upper side of a wall body 10 of a poultry house; a ventilation adjustment device 30 for opening/closing the vent hole and, when power supply is stopped, opening the vent hole; and a shading/ventilation member 40 for covering the vent hole. The shading/ventilation member 40 forms ventilation spaces by at least any of curvature, bend, and inclination of a plurality of thin plate materials aligned at some intervals apart, for preventing passage of light but allowing natural passage of air. |
