7.6 Bovine/ poultry / swine - crops
PIG - POULTRY -CATTLE - VE GETABLE : USES OF SWINE & POULTRY MANURE ( PHILIPPINES )
“ … Where vegetables are grown in addition to livestock and poultry production . The methane gas produced from hog manure and pen washings is used as fuel for drying chicken droppings to be fed to the cattle ; the recovered solid sludge from the digester , as feed material for the pigs ; and the lipuid sludge, as fertilizer for squash, bitter melon and citrus ( calamansi ) plants.