The best replacement for pigs is hogs.

The best alternatives to pigs are rated as following:
★★★★★  hogs
★★★★  wolves
★★★★  hamsters
★★  chickens
★★  cows
★★  boars
★  rabbits
★  swine
★  dogs intelligence
★  goats
★  birds
  dogs smarter
  hamsters better pets
  cows minecraft
  true story of the three little pigs
  angry birds
  cuban missile crisis
  gerbils
  hamster
  rats
  big bad wolf

Your alternative for pigs is not listed? Suggest!
Speaking about pigs, one probably shouldn't forget about swine flu.

Other search terms related to pigs and their ratings are:
★★★★★ swine flu
★★★★ tiger
You have in mind a companion for pigs and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pigs in all years. Click on graph for more.
pigs
hogs
wolves