The best replacement for cows is bulls.

The best alternatives to cows are rated as following:
★★★★★  bulls
★★★★  cattle
★★★  goats
★★  sheep
★  horses
★  steers
★  pigs
★  goats milk
★  beef cows
★  grass fed cows
★  grain fed cows
★  good beef cows
  kine
  small cows
  corn fed cows
  holstein cows
  heifers
  remote control car
  chickens
  horses smarter
  meat cows
  dairy cows

Your alternative for cows is not listed? Suggest!
Speaking about cows, one probably shouldn't forget about mad cow disease.

Other search terms related to cows and their ratings are:
★★★★★ mad cow disease
★ baby cows
You have in mind a companion for cows and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of cows in all years. Click on graph for more.
cows
bulls
cattle