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Failed Breeding

by Mike

Failed Breeding gives animals a 10% chance to fail breeding, which slightly raises the effort needed to grow herds on a Fabric server.

FabricServer-side onlyAll rights reserved1.20 – 1.21.8

What it does

Each time two mobs are bred, a 10% roll decides whether the attempt fails. The change is small, meant to make breeding a little less simple without ruining it entirely. Because the adjustment runs on the server, the server must run the mod for it to take effect, and players join without installing anything. The mod requires Fabric API and is released under All rights reserved, so it is not open source. Its builds cover 1.20 – 1.21.8 across 16 release versions, with 1.0.2+1.21 for 1.21.3 as the latest Fabric file.

Key features

  1. Failed breeding attempts

    Breeding has a 10% chance to fail, so some attempts produce no offspring even when both parents are ready.

  2. Balanced breeding pace

    The adjustment keeps breeding possible while making it slightly harder to grow large herds quickly.

  3. Server-side behavior

    The change applies on the server, so players can join a server running the mod without installing it.

Compatibility

Latest build for each game version and loader.

1.21.x9 of 9 versions with builds
1.21.81.0.1
1.21.71.0.1
1.21.61.0.1
1.21.51.0.1
1.21.41.0.1
1.21.31.0.2+1.21
1.21.21.0.2+1.21
1.21.11.0.2+1.21
1.211.0.2+1.21
1.20.x7 of 7 versions with builds
1.20.61.0.2+1.20
1.20.51.0.2+1.20
1.20.41.0.2+1.20
1.20.31.0.2+1.20
1.20.21.0.2+1.20
1.20.11.0.2+1.20
1.201.0.2+1.20
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required

Questions

Does Failed Breeding need Fabric API?

Yes. Fabric API is a required dependency and must be installed alongside Failed Breeding on a Fabric server.

Do players need to install Failed Breeding?

No. The mod runs on the server only, so clients can join without it.

Which game versions does Failed Breeding support?

Builds cover 1.20 – 1.21.8, and the latest Fabric file targets 1.21.3.

In the catalog

Failed Breeding is one of 11,058 Mobs mods on ModsFinder, and one of 5,189 Mobs mods for Fabric. 17,695 mods support Minecraft 1.21.8.

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What the author says

This mod simply adds a 10% chance for mobs to fail at breeding! A small balance feature to make breeding slightly less easy but not ruin it fully.
Mike, on the Modrinth page

Official listing

Owner
Mike
Published
2025-05-09
Updated on Modrinth
2025-10-20
Facts verified
2026-10-15

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