Provided is a premixing ventilated chicken coop, comprising a gable, a side wall (2), and a roof (13) the middle of the chicken coop is also provided with an inner chamber parallel to the side wall (2) the inner chamber comprises an inner wall (18) and inner roof (11) parallel to the side wall (2) a partition (3) is arranged between the side wall (2) and the inner wall (18) an air inlet panel (6) is arranged between the two inner walls (18) located beneath the inner roof (11) a pressure compartment (12) is formed between the inner roof (11) and the air inlet panel (6), and a premixing compartment (9) is formed between the inner roof (11) and the roof (13) the inner roof (11) is uniformly provided with a plurality of fans (10) and a plurality of air inlet windows (17) the air inlet panel (6) is uniformly provided with a plurality of air inlet holes (15) and a plurality of air-inlet small windows (16) the side wall (2) is provided with a plurality of wet curtains (14) and exhaust openings the inner wall (18) is uniformly provided with a plurality of air outflow slots (19). In the described arrangement, fresh air entering the chicken coop is premixed with air at the upper level of the chicken coop by means of the pressure compartment (12), the premixed air is uniformly discharged into the inner chamber, thus the foul air resting at the bottom of the chicken coop is discharged very well and the air inside the chicken coop is entirely replaced in a uniform manner.Linvention concerne un poulailler ventilé à prémélange, comprenant un pignon, une paroi latérale (2), et un toit (13) le milieu du poulailler est également pourvu dune chambre interne parallèle à la paroi latérale (2) la chambre interne comprend une paroi interne (18) et un toit interne (11) parallèle à la paroi latérale (2) une cloison (3) est disposée entre la paroi latérale (2) et la paroi interne (18) un panneau dentrée dair (6) est disposé entre les deux parois internes (18) situées sous le toit interne (11
