英文關鍵字
agriculture
animal
breed
breeder
breeding
breeds
bristles
browsing
domesticus
eyes
face
farm
farmer
farming
fat
genus
grunt
grunting
hog
husbandry
lard
large
livestock
mammal
mud
muddy
mudlark
muzzle
nose
omnivore
omnivorous
outside
pig
pigsty
pork
porker
snout
sow
species
stockbreeder
stockyard
sty
suid
sus
swine
ungulates
wallow
white
zoology