Show PREVENT HAY FROM heading department of agriculture experts recommend use of rs of latticework ilay hay especially alfalfa or clover Is likely to suffer damage through heating in the barn tills this can be prevented by ventilation to ventilate a liay bar barn the united states department of agriculture experts recommend the use ot of lattice rs 12 to 15 inches square and as long as convenient these ventilators rs which look somewhat like elongated crates are made with corners consisting f 2 by 4 3 scantily scantlings scant lings s slatted together with narrow boards 12 to 15 inches long they should be braced to prevent crushing the vent ventilators rs are laid in the 11 ani ay 10 or 12 feet apart horizontally anil and far fair enough apart vertically so that tile thu distance will not be more ihan 8 or 10 feet after t alie lie hay lias has settled the ends should aboul I 1 come out to the cd edge of the hay so as to permit tree free passage of air tills will vill permit the carral carri 11 ofa ff of if steam caused by evaporation and ana will preserve the hay and prevent lt aang the ventilators rs can call be made of various sizes of material ard and if strongly col constructed instructed will mill last man in bears |