Utilization

Swine waste is used as a feed supplement and an energy source through methane production. With proper ventilation and sufficient bedding, the solid manure can be composted in confinement facilities, and the heat generated from the composting process can be used to supplement heat in the buildings.

The most common use of the nutrients in swine waste is through land application. The waste can be hauled and distributed over the land by spreading devices. If odors are a problem, liquid waste can be injected below the soil surface. It can also be distributed through an irrigation system. Slurries can be distributed through an irrigation system equipped with nozzles that have a large opening.

Figure 9-16 Confined housing with farrowing crates, partly slatted floor, pit storage, and liquid manure handling

Pump-out ports

Figure 9-16 Confined housing with farrowing crates, partly slatted floor, pit storage, and liquid manure handling

Pump-out ports

Figure 9-17 Fed hogs in confined area with concrete floor and tank storage liquid manure handling

Pump out port

Waste storage tank

Waste storage tank

Pump out port

Figure 9-18 Two stage aerobic lagoon system for treatment of waste flushed from swine building

Irrigation system

Flush alley

Figure 9-18 Two stage aerobic lagoon system for treatment of waste flushed from swine building

Irrigation system

Flush alley

Figure 9-19 Waste handling options—poultry

Production

Drying or compost iIk /M

Collection

Storage

Transfer

Treatment

Drying or compost iIk /M

Glands The Neck

Commercial sale

Organic Gardeners Composting

Organic Gardeners Composting

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