Fifty-six units housing 28,000 sows and 72,000 nursery pigs in northwest Arkansas. These facilities had three to four foot partial pits in the gestation barns that flowed to full-pitted breeding rooms. Manure was pumped from the breeding rooms to trucks or to lagoons.

Pre-Pit Remedy Environment

Over time solid manure had built up in the three-to-four foot gestation pits to the point of overflowing through the slats (see photo above). Manure could not be drained or pumped. Solids and/or heavy sludge consumed so much of the existing pit capacity that monthly pumping of these buildings was required. Additionally, lagoons had lost an estimated 65% of their holding capacity.

Pit Remedy was applied in June, July and August 1999. In September, all 56 units were liquefied and were being pumped to the bottom of the pits. Two control buildings were chosen to show "proof of progress". The untreated gestation barns had over two-and-one-half feet of solids. The treated side of each unit had no solids and drained completely.

Three to four feet of manure solids and/or heavy sludge that had built-up over a number of years was cleaned out using Pit Remedy over a four month period in the 56 sow units. The lagoons that were treated also were liquefied to the point that they could be pumped and significant capacity was reclaimed. 

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Much of this project entailed liquefying 4 feet of heavy solid build up.