Manure collecting methods: scrape solid
or hose by water
Pig waste management categories: no
treatment, compost, biogas and storage
Storage: types, covers and capacity of
tanks
Biogas: types, capacity of biodigester
Compost: additives used, composting
procedures
Amount of manure used for crops
Amount of fertilizer used for crops
Amount of manure for fish
Manure proportion used for fish, biogas,
sale and discharge