Recommended waste management measures, in order of preference:
Recycling or re-use of hog waste,
Reduce / minimize, and
Waste treatment.
Some recommended mitigating measures or waste treatment options[1]:
Backyard / Small-Scale Raisers
Commercial Raisers
Recycling/ Re-use
Use hog waste for other purposes:
Fertilizer (solid), Watering of plants (liquid)
Reduction/ Minimization
Use of drums or storage water tanks during cleaning operation;
Installation of mechanical drinkers to minimize consumption and wastage of water;
Feed and water trough modification
Use of mechanical/automatic feeder to reduce food wastage.
Treatment
TPED (Tubular Polyethylene Digester)
Lagoon system
Manure drying
Pelleting plant and / or common treatment facilities (via cooperative)
Biogas digester (required)
[1]LLDA Resolution No. 169, Series of 2001. APPROVING THE POLICY GUIDELINES GOVERNING THE OPERATION OF BACKYARD/SMALL-SCALE SLAUGHTERHOUSES IN THE LAGUNA DE BAY REGION. Article 2 - Issuance of Permit