The best replacement for geldings is mares.

The best alternatives to geldings are rated as following:
★★★★★  mares
★★★★  stallions
★  mare

Your alternative for geldings is not listed? Suggest!
Speaking about geldings, one probably shouldn't forget about mares in heat.

Other search terms related to geldings and their ratings are:
★★★★★ mares in heat
★★★ mares
mares in season
You have in mind a companion for geldings and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of geldings in all years. Click on graph for more.
geldings
mares
stallions