Show well ventilated house needful during winter A barru poultry house that will help to keep egg pro production high during tile the want cr months must be well ven ventilated says prof E it gross agrico agri agricultural ct engineer nt at the new jersey experiment peri ment station new brunswick Brunsw lck to maintain aiva aivars rm well ventilated three things are needed advises professor gross tight in walls alls doors abid and windows AIn dows ventilating flues IN which may fie be constructed of wood at n low cost and limited overhead space TO 0 in make alca the building tight close nil lilt the cracks cov cover er lie outside walls walla with roll roofing or cell the inside walls reduce the air space bycell by cell ing overhead or by constructing n R straw loft ventilation and warmth go together if the house Is tightly built and lias has all doors and windows closed the birds will give olt off heat enough to raise tile inside temperature considerably above that on the outside out ide but bui when tile the house Is tightly closed moisture will begin to accumulate arid and the air become sanle kt rile ventilation Is needed therefore to carry away the moisture and to firing in fresh air |