NEWSOld silos stand as a testament to the dairy herds they servedJohn OnckenThough not generally called a “silo” Harvestors changed the method of making hay all across dairy land.John OnckenThe iron “U” shaped steps on many older poured concrete older silos did not offer much of a feeling of security when climbing.John OnckenTwo poured concrete silos were built at the UW-Madison some eight years ago by Wisconsin Silos, Plover, to store silage for the campus dairy herd.John OnckenA few steel silos were used during the heyday of silo building.John OnckenA farm with a solid concrete, two concrete stave and two Harvestores that cover over a 100 year period of silo types.John OnckenThe big dairy herds of today require more silage than an upright silo can store.John OnckenThe barn fell but the silo stands solid.John Onckenile silos were a choice of some farmers.John OnckenAlthough only 36 foot high the poured concrete silo made by McMahon of Sun Prairie was scary for the writer to climb.John OnckenThese two 30 by 132 foot poured concrete silos at the Lavey Dairy near Malone are the state’s tallest farm silos.John OnckenThe 18 by 30 foot stone silo with a 14 foot water tank on top has stood next to the old UW-Madison dairy barn for over 125 yearsJohn OnckenThe plastic silage bag has found popularity in recent years.John OnckenSafety cages now surround the rungs on modern concrete silos.John Oncken