英文關鍵字
agriculture
animals
appliance
breeding
cage
cell
clean
development
efficient
empty
farm
feeding
fertilization
food
grid
hog
house
housing
indoor
indoors
industrial
industry
insemination
inside
interior
livestock
mammals
meat
mesh
modern
multiuse
new
newest
nobody
omnivores
pen
pig
piggery
pigsty
stockbreeding
technology
veterinary