HIMMERLAND DAIRY FARM CASE STUDY A. PRE-TREATMENT Barn Type: 60 tie stall dairy barn. Mats used in stalls. Manure Handling: Barn houses about 17 – 20 cows along each of two 120 foot parallel pits 2.5 feet wide and 5 to 9 feet deep (stepped). The pits gravity drain to the center of the pit and then flow out to an outside manure storage pit via 2.5 foot square pipe. Half of south gutter is used to handle parlour wash. At the present time 8 stall on the north gutter and 2 stalls on the south gutter are all unusable for cows due poor flow and accumulated solids. These stalls are presently being used for calves with bedding Producer Goals: Producer wanted to liquefy the manure in the pits so that they flow and significantly reduce the volume of accumulated solids so that lost stalls at the east

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