Show hole in roof Is poor henhouse ventilator cutting a hole in the roof Is a poor way ray to venti bite tte tite poultry building because it allows considerable erable holt heal to t escape bunking the house cold says prof A C smith chief of tile the poultry divia division on nt lit st blaul running a 11 shaft through tile the roof to noir near I 1 tile lie floor is also nl so a faulty metho 1 I 1 much of tile the moisture will wil escape the shaft near tile the top of the file room where tile ilie nir Is va the easiest and simplest method ol of keepin ir the house comfor comfortable lable with reference to temperature mols ture lure and ventilation nir mr smith S mys is to have it tt equipped with windows just like those used in dwellings rind and then use the upper sash for ven tillit ing ina during extremely cold weather the sash basli may be dropped silly iny dis lance required hy by the conditions of wind ind and weather but it should never lie ile camill completely cinq closed 0 even ean on the coldest night there Is no automatic system of vc nil lation lint flint will give alve complete satisfaction sir mr anys A any ny system used will require lind sometimes tills will to tn lie le given several times a day |