Show fresh air Is cheapest thing in stock ration the cheapest thing in the ration for all live stock Is fresh air it contributes to thelo the come from milk and mea meat t as does daei liberal feeding of a complete ration but tills this doe ant mean fresh air should come coine inta the barn through cracks or open doors it should coule come in by means of a well designed ven ti lating system which at the same time removes th estale estille moisture laden air A dairy cow breathes out ten pounds of water in 24 hours A good ventilating system requires good wall construction to hold heat beat in there must lilus I 1 be stoppage stop linge of all openings where passage of air la Is not wanted and insulation to prevent el escape s of heat neglect insulation and your yenti ventilation lation system will be faulty your feed bills will be higher glier hl your profits will be lower |