Show farmers welcome moisture but I 1 want it outside not on rafters by IRA MILLER farm bureau burean A satisfactory ventilation system is a cas h asset to the farmer and strangely enough the savings it pro A 1 0 rf 4 A A V FAN installed in side aide wall near with duet due t extending to within 20 inches of floor floar cover at top ean can be b removed for foe or ventilation and for ser er biting of fan duen are of no concern to the tax collector for they are are arn measured in terms of sound umbers and rust nut tree free na nail il hea beadi d s S such u c fi structural conditions mean long ions lived bull buil dinza dinca in most cases caces the ur culprit sible for the decall wooden supports p 0 r t s is i s excessive excess i ve moisture mo 1 sture this Is a rather common condition in interiors of poorly ventilated structures dairy barns and poultry houses in p particular are constantly being subjected to blasts of moisture laden air the result of the condensation condensa Uon of the breath of cows and chickens unless this heavy concentration of moisture is dealt with promptly and effectively it will settle just where it on rafters walls lofts and ceilings the accumulation of dampness and rost frost f I 1 in n bu buildings ildi lidl is injurious to workmen and stock alike the answers to such problems lie in the installation 0 of f an a adequate d equate ventilation system ventilation systems for dairy barns employ tans fans of to V vi 4 horse horsepower p ow er they are located so as to draw air out of structures at a point or points near the no floor or the fans should have a capacity of 60 cubic feet per minute per 1000 pound cow it if intakes are used us edd edi it is recommended that they be located high enough in the wall so as to deliver air against the belling cei cel ling thus eliminating drafts draths in I 1 n pou poultry 1 try ho house use vent ventilation ilat ion lon systems it is suggested that the tan fan be installed in the sidewall of the build ing a away way from the prevailing wind I 1 if it possible it is usually located near the ceiling with a short duct extending to within 20 inches of the floor to remove the coldest air from the pen len the capacity of the tan is figured on a basis of 23 of a cubic toot of air per minute for tor each one square toot tool of floor area there should be one intake opening for each square feet feel of floor area ventilation systems cost comparatively little to operate electricity used in dairy barn systems averages about 2 kilowatt hours per cow and I 1 for tor poultry houses tests show that an average of 2 kilowatt hours of power are consumed per day in bi the operation of ora ofa a 12 in inch chaan an in tn venta elating lating a structure housing birds |