Breeding: what foals inherit, potential maths, and the breeding station
Updated · Horses
Quick answer
Foals inherit a mix of both parents' colouring, white patterns and some personality traits (official), and their strength and endurance potential is roughly the parents' average plus a random roll (community maths: about −4 to +11), based on the parents' potential, not their current training. The breeding station has three stages: natural cover → fresh semen + the foal simulator (previews likely foals) → frozen semen. Players report pregnancy of about 8 rounds, foals becoming yearlings at 4 and adults at 12 rounds, and the mare can't be ridden late in pregnancy until weaning. Breeding also happens without a station if a stallion shares a group with mares — boarders' included.
The potential maths (one player’s testing, unverified)
Foal potential ≈ (dam potential + sire potential) / 2 + random(−4 … +11). Each parent with Bad Inheritance shifts the roll by −2; Good Inheritance does the reverse; hidden traits still count, and the stage-2 foal simulator ignores hidden ones. Good Mom gives better current starting values, not potential.
Breeding station stages (community costs)
Stage
Cost / upkeep / build
Unlocks
1
1,500 / 15 per day / 2 days
Natural cover with your own stallion or a breeder stud (~100 and up)
2
5,000 / 40 / 3 days
Fresh semen collection; foal simulator to preview foals; more stud-service sales
3
15,000 / 100 / 5 days
Frozen semen (achievement A Frozen Legacy)
Breeder studs you pay for don’t show their traits before the cover (player reports). Two days after launch 74% of players had bred a foal, 50.7% had raised one to adulthood, 1.5% had a stallion cover 50 mares.
Ages in rounds (players’ counts)
Born 0 → yearling ~4 → adult ~12 → rideable and breedable to ~180 → retires ~192 (leaves the game). Your starter mare begins at 60.
FAQ
Does training the parents give better foals?
No — only potential is inherited. A fully trained 60-potential horse passes on 60, not its trained value. Train to see the true potential, or pay for a vet check.
How long is pregnancy?
About 8 rounds (community figure). The mare can't be ridden in the second half until the foal is weaned, and her stats drop meanwhile.
When can I sell or train a foal?
Foals become yearlings at about 4 rounds (they can be lunged by the yearling trainer) and adults at about 12. Home-bred yearlings and well-trained young adults are the designed sale income.
Why did my mare get pregnant without a breeding station?
Any un-gelded stallion in the same stable group or field can cover any mare — including boarders' mares, which costs a fine and prestige. Separate groups or geld.
Can I buy a pregnant mare?
Players report you can't.
Is there an inbreeding penalty?
Not documented. One player's maths mentions 'unrelated parents', hinting related pairs roll differently, but nothing confirmed.
Checked against the current version on · Medium confidence — consistent community reports, not officially confirmed. Spotted something outdated? Tell us.
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