英文關鍵字
agriculture
animal
baby
boar
breeding
brown
closeup
cute
dirty
domestic
farm
farming
farmland
fat
feeding
female
field
food
group
hog
husbandry
industry
large
livestock
mammal
mature
meat
mother
mud
nature
nobody
nose
one
pig
piggy
piglet
pigs
pigsty
pink
pork
rearing
rural
snout
sow
straw
swine
vaccine
welfare
white
young