英文關鍵字
agricultural
agriculture
animal
animals
barn
boar
breeding
cute
domestic
ear
eat
eating
farm
farming
feeding
food
group
growth
hog
husbandry
industrial
industry
landrace
life
line
little
livestock
mammal
meat
milk
nature
neonatal
nose
pet
pig
piggy
piglet
pigpen
pink
pork
rearing
rural
seeds
small
snout
sow
stern
suckling
swine
young